Melitta

Melitta is a German coffee and household-products brand associated with the invention and popularization of the paper coffee filter. The business was founded in 1908 by Melitta Bentz in Dresden after she developed a practical way to separate coffee grounds from brewed coffee using a perforated container lined with paper. A patent for the filter device was registered in Berlin on 8 July 1908, and Bentz established a company under her name during the same year. The invention addressed a familiar domestic problem: cloth filters and other brewing methods could leave sediment and produce a bitter cup. The paper-filter system offered a cleaner, more repeatable form of drip brewing and became the foundation of the Melitta brand. Melitta’s principal activities encompass roasted and ground coffee, coffee beans, paper coffee filters, manual brewing systems, and electric coffee makers. The brand is part of the privately held Melitta Group, a broader family-controlled business with activities in coffee, household products, and related consumer and commercial markets. Melitta-branded products are sold in Germany and other European markets, as well as through international subsidiaries such as Melitta USA. In the United States, the business has operated coffee-filter manufacturing in Clearwater, Florida, and coffee roasting in Cherry Hill, New Jersey. The company’s product identity has historically been driven by incremental improvements to filter geometry, paper quality, extraction, strength, and ease of use. In the 1930s, Melitta introduced a tapered, ribbed filter design that increased the effective filtration area. The cone-shaped paper format introduced in 1936, including the widely recognized 102 size, became an enduring reference point for household pour-over brewing. Later developments included unbleached brown paper, chlorine-free oxygen bleaching, microfine perforations marketed as Flavor Pores, reinforced filter construction, and bamboo-fiber filters. These innovations extended the original invention without abandoning the brand’s central promise of clean, convenient drip coffee. Melitta also operates beyond disposable filters. Its portfolio has included coffee roasting, brewing equipment, porcelain and ceramic filter holders, and systems for household and professional preparation. The company’s broader group structure has included manufacturing and operating entities in several countries. Melitta USA, for example, has focused on sales and marketing of filters, coffee, and non-electric brewing systems in the United States. The company’s history also includes difficult wartime issues. During the Second World War, filter production was interrupted while Melitta participated in military-supply production under the Nazi regime and was described in historical research as a National Socialist model plant. This aspect of the company’s past forms an important part of a complete account of Melitta and its industrial development. Melitta has remained a privately held, family-associated business rather than a publicly traded corporation. It has continued to develop filter materials and brewing technologies while extending its coffee activities internationally. During the COVID-19 pandemic, the company announced production of three-layer fleece face masks and said that an initial million masks would be donated to healthcare facilities. The brand today remains most strongly identified with paper coffee filters and the Melitta-style drip-brewing format, while participating in the larger coffee, appliance, and household-products markets through the Melitta Group.

Melitta’s history begins in Dresden in 1908, when Melitta Bentz developed a paper-based method for filtering brewed coffee. She reportedly experimented with a brass container and a sheet of blotting paper taken from her son’s school materials, creating a brewing method that retained coffee grounds while allowing liquid to pass through. The Imperial Patent Office in Berlin registered a patent for her filter-top device on 8 July 1908. Bentz established a company bearing her name in the same year, initially operating as a family business. The early commercial opportunity lay not only in selling paper but in creating a complete, repeatable brewing system. Melitta refined the shape of the filter and the paper insert over subsequent decades. In the 1930s, the company adopted a tapered, ribbed design. The taper increased the filtration area and the ribs helped regulate contact between the paper and the holder. In 1936, Melitta introduced cone-shaped filter paper intended for the tapered holder. The size 102 format became especially prominent and helped establish the visual and functional pattern associated with modern household pour-over coffee. Melitta’s development continued through materials and production engineering. Historical accounts identify a range of ceramic and porcelain manufacturing relationships, including production involving Concordia Porzellanfabrik during the wartime years and later suppliers in the Porta Westfalica area. Porzellanfabrik Friesland, founded within the wider Melitta group in 1953, produced porcelain filters for Melitta for decades before becoming independent in the 1990s. Melitta later shifted production of these porcelain filters to China, while Friesland continued to sell comparable products under its own brand. The Second World War is a significant and problematic chapter. Filter manufacture was paused, and the company took part in military-supply production under the Nazi regime. It was characterized as a National Socialist model plant. Later historical scholarship has examined the company newspaper, workplace organization, and business development during this period. Any account of Melitta’s history therefore needs to distinguish the originality of Bentz’s invention from the conduct and institutional role of the company during the dictatorship. After the war, Melitta expanded its activities beyond paper filters into coffee roasting, brewing equipment, porcelain, and other household products. The brand developed a broad international footprint, including a United States business responsible for marketing filters, coffee, and non-electric coffee systems. Melitta USA has maintained filter manufacturing in Clearwater, Florida, and a roasting operation in Cherry Hill, New Jersey; company material cited in the reference account described the Cherry Hill roasting operation as having existed for more than five decades by 2018. Product development remained central to the brand. In 1989, Melitta introduced Natural Brown filters made from unbleached pulp. In 1992, it developed an oxygen-bleaching process for producing white paper without chlorine. In 1997, it introduced Flavor Pores, described as microfine perforations intended to control sediment, particles, and oils. A second safety crimp was added in 2002 to strengthen the filter, and bamboo filters were introduced in 2007 alongside improvements to the Flavor Pores design. The wider Melitta Group also pursued manufacturing partnerships. A Dongguan factory was established in 1996 as a joint venture involving Melitta and the Miele Group; the facility later became wholly owned by Miele in 2009. By 2015, the group was reported to employ approximately 3,300 people. Its reported workforce and turnover increased substantially by 2019. During the COVID-19 pandemic, Melitta used part of its production capacity to make protective masks and announced a donation of the first million units to healthcare institutions. Melitta remains an active privately held brand centered on coffee, filtration, and brewing equipment.

1. 2020Melitta begins making protective masks

   During the COVID-19 pandemic, Melitta announced production of three-layer fleece masks and a planned donation of its first million masks to healthcare facilities.

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2. 2019Group turnover and employment increase

   Reported 2019 turnover rose by about 10 percent to nearly 1.7 billion euros, while reported employment reached 5,654.

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3. 2015Melitta Group workforce is reported at approximately 3,300

   Reference material reported approximately 3,300 employees for the group.

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4. 2009Dongguan factory becomes wholly owned by Miele

   The factory originally formed as a Melitta–Miele joint venture became fully owned by Miele.

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5. 2007Bamboo filters are introduced

   Melitta introduced bamboo filters and further refined its Flavor Pores construction.

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6. 2002Second safety crimp is added to filters

   A second crimp was introduced to improve filter strength and durability.

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7. 1997Flavor Pores filter technology is introduced

   Melitta developed microfine perforations intended to manage sediment, particles, and coffee oils during filtration.

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8. 1996Dongguan manufacturing joint venture is established

   A Dongguan factory was established as a joint venture involving Melitta and the Miele Group.

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9. 1992Oxygen-bleaching process is developed

   The company developed an oxygen-based process for producing white filter paper without chlorine.

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10. 1989Natural Brown filters are introduced

    Melitta launched unbleached brown paper filters as an alternative to conventional white filter paper.

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11. 1953Porzellanfabrik Friesland is established within the Melitta group

    The factory later became an important producer of porcelain filters for Melitta before becoming independent in the 1990s.

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12. 1941Wartime production changes

    During the Second World War, filter production was suspended while the company participated in military-supply production under the Nazi regime.

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13. 1936Cone-shaped filter paper is introduced

    Melitta introduced tapered filter paper designed for its ribbed, cone-shaped filter holders; size 102 became a particularly well-known format.

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14. 1908Melitta Bentz patents a paper coffee-filter device

    The Berlin Patent Office registered Bentz’s filter-top device lined with filter paper on 8 July 1908.

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15. 1908Melitta company is founded

    Melitta Bentz established the company that carried her name in Dresden during the same year as the patent.

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A heritage coffee and brewing brand positioned around clean, convenient, technically refined drip preparation, with offerings spanning everyday household use and selected professional or commercial applications.

• Melitta paper coffee filtersCoffee filtration1908

  Paper coffee filters are the brand’s foundational product category. Melitta’s designs use shaped paper inserts placed in compatible holders to separate brewed coffee from grounds. The company has developed multiple paper constructions and filter geometries, including unbleached Natural Brown paper, oxygen-bleached white paper, reinforced crimping, bamboo filters, and Flavor Pores microperforations. The range has included multiple household sizes, with the cone-shaped 102 format among the best-known.

• Melitta cone filter systemsManual coffee brewing1930

  Cone filter systems combine a tapered holder with matching paper filters to support manual drip brewing. The ribbed cone design developed in the 1930s was intended to enlarge the filtration area and improve the movement of water through the coffee bed. These systems form the basis of the familiar Melitta pour-over method and are used in household preparation with a carafe, cup, or serving vessel.

• Melitta size 102 filtersCoffee filtration1936

  The 102 filter format is one of Melitta’s most recognizable paper-filter sizes. It belongs to the cone-filter family introduced in the 1930s and is designed for use with corresponding Melitta holders and brewing volumes. Its long market history has made the number a durable part of the brand’s product vocabulary in European household coffee preparation.

• Melitta coffeeCoffee

  Melitta sells roasted and ground coffee and, in selected markets, whole-bean coffee. Coffee is positioned as a complementary product to the company’s filtration and brewing systems, allowing the brand to participate in the full home-brewing routine. Country-specific assortments, formats, and recipes vary by market.

• Melitta coffee makersCoffee appliances

  Melitta’s coffee-maker portfolio includes electric drip machines and related brewing appliances. These products extend the company’s original filter concept into automated preparation, pairing water heating and controlled brewing with disposable or reusable filtration. Specific models and availability differ across national markets.

• Melitta porcelain and ceramic filtersManual coffee brewing

  Porcelain and ceramic filter holders have been part of Melitta’s historical brewing assortment. Production involved several manufacturing partners and group entities, including Porzellanfabrik Friesland. Melitta later shifted production of these filters to China, while Friesland continued selling related ceramic products under its own label.

• 2020COVID-19 protective-mask initiative

  Germany · International markets

  Melitta repurposed or expanded manufacturing capacity to produce three-layer fleece nose and face masks during the COVID-19 pandemic. The company announced that the first million masks would be donated to healthcare facilities.

  Outcome. The initiative added protective equipment to Melitta’s pandemic response and supported healthcare institutions through the announced donation.

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• 2020Add protective-mask production during the pandemicOther

  The COVID-19 pandemic created exceptional demand for protective equipment and disrupted normal business conditions.

  What changed. Melitta announced production of three-layer fleece masks and a donation of the first million units to healthcare facilities.

  Aftermath. The initiative represented a temporary extension of the company’s manufacturing activities beyond coffee and household products.

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• 2007Introduce bamboo filtersProduct launch

  Melitta continued exploring alternative paper and fiber inputs for disposable coffee filtration.

  What changed. The company introduced bamboo filters and refined the Flavor Pores design.

  Aftermath. The move broadened the material options associated with Melitta’s filter range.

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• 1997Introduce Flavor PoresProduct launch

  Melitta sought to control the movement of fine particles, sediment, and coffee oils through the filter.

  What changed. The company developed microfine perforations marketed as Flavor Pores.

  Aftermath. The technology became one of the brand’s named filter-construction features and was later improved.

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• 1992Develop chlorine-free white-paper processingStrategy

  Paper appearance and processing were important to the performance and marketability of coffee filters.

  What changed. Melitta developed an oxygen-bleaching process for producing white paper without chlorine.

  Aftermath. The process became part of the company’s material-development history and its efforts to refine filter production.

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• 1989Launch unbleached Natural Brown coffee filtersProduct launch

  Melitta continued to revise filter materials and sought alternatives to conventional bleached paper.

  What changed. The company introduced Natural Brown filters made from unbleached pulp.

  Aftermath. The product expanded Melitta’s filter-material range and gave consumers an unbleached-paper option.

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• 1936Adopt the cone-shaped filter-paper formatProduct launch

  Melitta’s earlier filter revisions had introduced a tapered and ribbed holder intended to improve filtration performance.

  What changed. The company introduced cone-shaped paper filters designed to fit the tapered holders, including the later-famous 102 format.

  Aftermath. The cone format became a defining part of Melitta’s product identity and of household pour-over brewing.

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• 1941Melitta’s role in Nazi-era wartime productionControversy

  During the Second World War, Melitta stopped normal coffee-filter production and participated in military-supply manufacturing under the Nazi regime. The company was described as a National Socialist model plant. Historical research has examined its workplace organization, company publication, and business development between 1941 and 1945.

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• 2020Melitta announces production of protective face masks during the COVID-19 pandemic

  Melitta announced that it would manufacture three-layer fleece nose and face masks at facilities in different parts of the world and said the first million masks would be donated to healthcare facilities.

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• 2019Melitta Group reports higher turnover and employment for 2019

  The Melitta Group was reported to have increased turnover by approximately 10 percent in the 2019 financial year, reaching nearly 1.7 billion euros, while its reported workforce expanded to 5,654 employees.

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1. Melitta
2. Melitta official website