Protos of Nonnendamm

Protos of Nonnendamm was an early German automobile manufacturer established in Berlin in 1898 by engineers Alfred Sternberg and Oscar Heymann. The enterprise began with small internal-combustion engines before moving into automobile production and later expanding into electric vehicles, vans, trucks, buses, and other commercial vehicles. Its history reflects the experimental character of the German motor industry during the transition from small engineering workshops to organized vehicle manufacturers. Alfred Sternberg initially developed compact engines, including air-cooled single-cylinder units rated at about 2.5 horsepower and water-cooled engines producing approximately 3.5 horsepower. In 1905, Protos began building automobiles. One of its notable technical developments was the so-called Kompensmotor, or compensated motor. This design used two working cylinders together with a third piston positioned to counterbalance the primary pistons. The arrangement was intended to reduce vibration and noise while preserving useful power, and it reportedly produced up to 14 horsepower. The concept helped establish Protos's reputation for technically distinctive and comparatively smooth-running vehicles. The company also built larger cars, including six-cylinder models. These attracted prominent customers in the German imperial household. Crown Prince Wilhelm II and Prince Heinrich of Prussia were associated with the marque, and the crown prince's personal fleet was reported to consist entirely of Protos automobiles. Prince Heinrich, an automobile enthusiast, was also associated with the development and patenting of an early automotive windscreen-wiper design in 1908. Protos used the royal association in its advertising, presenting the vehicles as suitable for sporting, expert, and prestigious motoring. Protos achieved its most internationally visible success in 1908, when a Protos vehicle was first across the finish line in the New York to Paris Race. The event was organized by the French newspaper Le Matin and The New York Times and covered roughly 13,000 miles by road, with a further sea journey of approximately 10,000 miles. The result gave Protos international publicity and reinforced its image for endurance and reliability, although the race's final classification involved event-related considerations beyond the simple order in which vehicles reached the finish. The company moved its headquarters in 1906 from Großgörschenstraße in Schöneberg to Berlin-Reinickendorf. Financial difficulties led to a change in ownership in 1910, when Siemens-Schuckert-Werke and Ernst Valentin acquired the business. It was subsequently relocated to Nonnendamm, an industrial area in what is now Berlin, and adopted the corporate name Protos Automobilwerk Nonnendamm GmbH. In 1911 the name was changed again to Protos Automobil GmbH. Protos was involved in electric mobility as well as conventional petrol-powered vehicles. Around 1908 it produced electric LKW utility trucks for municipal applications. These vehicles used rear-wheel motors and had unusual auxiliary steering wheels mounted externally on both sides, allowing a driver to steer while walking beside the vehicle. The company also offered electric trucks with a four-ton payload and electric omnibuses. Commercial electric vehicles were introduced more systematically in 1911, while petrol-powered trucks, coaches, and other commercial models followed from 1913. Some wartime trucks were built with outputs of about 40 horsepower and payloads of three tons, alongside a 50-horsepower model rated for a 4.5-ton payload. After the First World War, Protos concentrated mainly on passenger cars and vans. Trucks already in stock remained available into the 1920s, but the business no longer developed the same breadth of commercial-vehicle production. In 1926 AEG acquired the company and combined it with NAG, the Nationale Automobil Gesellschaft, another AEG-controlled enterprise. The resulting NAG-Protos AG was dissolved in 1927. Over its approximately 22-year vehicle-production history, Protos is reported to have built more than 25,000 vehicles.

Protos originated in Berlin in 1898, when engineers Alfred Sternberg and Oscar Heymann established an enterprise initially concerned with small motors. Sternberg developed compact single-cylinder engines in both air-cooled and water-cooled forms. These early products provided the technical foundation for the company's later transition into complete vehicles. Automobile production began in 1905. Protos developed a distinctive compensated engine, known as the Kompensmotor, intended to reduce the vibration normally associated with twin-cylinder layouts. It combined two working pistons with a third piston used as a counterbalance. The design was comparatively quiet and remained in production for several years, helping Protos distinguish itself in a competitive and technically unsettled market. The company moved its headquarters in 1906 from Großgörschenstraße 39 in Schöneberg to Berlin-Reinickendorf. Its product range expanded from small cars to larger automobiles, including six-cylinder models. Protos vehicles gained high-status customers, among them Crown Prince Wilhelm II and Prince Heinrich of Prussia. The company promoted the crown prince's exclusive use of Protos automobiles in advertising, connecting the brand with sporting expertise, reliability, and prestige. Prince Heinrich was also associated with an early patented automotive windscreen-wiper invention in 1908. That same year Protos entered the New York to Paris Race, a major early long-distance motoring event organized by Le Matin and The New York Times. The competitors covered approximately 13,000 miles by land, with additional distance traveled by sea. A Protos car was first to cross the finish line, giving the company broad international publicity. The result became central to Protos's reputation for endurance and dependable engineering. Protos's business later broadened beyond conventional passenger cars. The company developed electric vehicles, including municipal utility trucks built around 1908 at its Nonnendamm works. These unusual vehicles placed motors at the rear wheels and could be controlled using external steering wheels on either side, allowing an operator to walk beside the truck. Electric versions were offered as utility trucks, four-ton trucks, and omnibuses. From 1911 the company introduced additional commercial electric vehicles, while from 1913 it produced petrol-powered trucks and coaches with payloads and engine outputs suited to commercial operation. Financial problems led to an ownership change in 1910. Siemens-Schuckert-Werke and Ernst Valentin acquired the business, which moved to Nonnendamm and became Protos Automobilwerk Nonnendamm GmbH. The corporate name was shortened to Protos Automobil GmbH in 1911. During the First World War, Protos supplied or built heavier trucks, including vehicles with approximately 40 horsepower and three-ton payloads, as well as a 50-horsepower model with a 4.5-ton payload. Following the war, production was narrowed mainly to passenger cars and vans. Existing truck stock remained available into the 1920s, but the company did not retain its earlier breadth of commercial-vehicle activity. In 1926 AEG acquired Protos and merged it with NAG, the Nationale Automobil Gesellschaft. The resulting NAG-Protos AG lasted only briefly and was dissolved in 1927. Protos is reported to have produced more than 25,000 vehicles during its vehicle-manufacturing life.

• 1927

  NAG-Protos AG is dissolved

  [1]Protos of Nonnendammen.wikipedia.org

  The successor company is dissolved, ending the Protos marque's manufacturing history.

• 1926

  AEG acquires and merges Protos with NAG

  [1]Protos of Nonnendammen.wikipedia.org

  AEG combines Protos with its NAG subsidiary, forming NAG-Protos AG.

• 1913

  Truck and coach production expands

  [1]Protos of Nonnendammen.wikipedia.org

  Protos adds truck and coach models, including vehicles with approximately 2.5-ton payloads and outputs of up to 30 horsepower.

• 1911

  The company becomes Protos Automobil GmbH

  [1]Protos of Nonnendammen.wikipedia.org

  The corporate name is changed from Protos Automobilwerk Nonnendamm GmbH to Protos Automobil GmbH.

• 1910

  Ownership changes and the company moves to Nonnendamm

  [1]Protos of Nonnendammen.wikipedia.org

  After financial difficulties, Siemens-Schuckert-Werke and Ernst Valentin acquire Protos and relocate the business to Nonnendamm.

• 1908

  Protos wins the New York to Paris Race

  [1]Protos of Nonnendammen.wikipedia.org

  A Protos vehicle is first across the finish line in the approximately 13,000-mile overland endurance race, creating international publicity for the marque.

• 1906

  Headquarters move to Berlin-Reinickendorf

  [1]Protos of Nonnendammen.wikipedia.org

  The company relocates from Schöneberg to Berlin-Reinickendorf as its manufacturing activity expands.

• 1905

  Automobile production begins

  [1]Protos of Nonnendammen.wikipedia.org

  Protos moves from engine production into the manufacture of complete automobiles and develops its compensated Kompensmotor.

• 1898

  Protos is founded in Berlin

  [1]Protos of Nonnendammen.wikipedia.org

  Alfred Sternberg and Oscar Heymann establish the engineering business that becomes Protos, initially producing small engines.

A technically progressive German automobile marque positioned around reliability, engineering innovation, endurance, and prestigious early motoring. Its royal customers and success in the 1908 New York to Paris Race supported a premium and high-reputation image, while its electric trucks, buses, vans, and municipal vehicles gave it a practical commercial-transport role.

• Passenger cars · 1905

  Kompensmotor automobiles

  Protos's compensated engine used two working cylinders and a third piston positioned to counterbalance them. The arrangement was designed to make the engine smoother and quieter than contemporary twin-cylinder engines. It could provide up to approximately 14 horsepower and remained part of the company's technical identity for several years after automobile production began.

• Passenger cars

  Protos six-cylinder automobiles

  The six-cylinder range represented Protos's larger and more prestigious passenger automobiles. These vehicles attracted prominent customers, including members of the German imperial family, and supported the company's positioning as a reliable, high-status touring and sporting-car manufacturer.

• Electric commercial vehicles · 1908

  Protos electric utility LKW

  Around 1908, Protos built electric utility trucks for municipal use. Their motors were mounted at the rear wheels, and auxiliary steering wheels on the outside left and right allowed an operator to guide the vehicle while walking alongside it. Related versions included a four-ton truck and an omnibus.

• Commercial vehicles · 1913

  Protos commercial trucks and coaches

  Protos produced petrol-powered trucks and coaches from 1913, with models rated at roughly 2.5 tons and up to 30 horsepower. During the First World War, heavier vehicles included approximately 40-horsepower trucks with three-ton payloads and a 50-horsepower model carrying up to 4.5 tons.

• Light commercial vehicles

  Protos vans

  Vans formed part of Protos's postwar focus after the company reduced its broader commercial-vehicle program. They complemented the passenger-car range and remained among the company's later vehicle offerings before the merger with NAG.

• 1911Royal endorsement advertising

  Germany

  Protos promoted the reported exclusive use of its vehicles by Crown Prince Wilhelm II, presenting him as a sportsman and automobile expert. The association was used to support the brand's prestige positioning.

  Outcome. The campaign linked Protos with imperial status and expert motoring, although no independent campaign-performance figures are available.

  Source
• 1908New York to Paris Race

  United States · France · International

  Protos entered the transcontinental endurance race organized by Le Matin and The New York Times. The event combined roughly 13,000 miles of overland travel with additional sea travel. A Protos vehicle was first to cross the finish line, giving the brand substantial international exposure.

  Outcome. The result became the marque's defining publicity achievement and strengthened its association with reliability and endurance.

  Source

• 1926

  Merge Protos with NAG under AEGM&A

  Background

  AEG acquired Protos as part of a consolidation involving its automotive interests.

  Action taken

  AEG merged Protos with NAG, creating NAG-Protos AG.

  Aftermath

  NAG-Protos AG was dissolved in 1927, ending the Protos manufacturing business.

  Source

• 1910

  Accept acquisition by Siemens-Schuckert-Werke and Ernst ValentinM&A

  Background

  Protos encountered financial difficulties after its early expansion and international publicity.

  Action taken

  Siemens-Schuckert-Werke and Ernst Valentin acquired the business and moved it to Nonnendamm.

  Aftermath

  The company adopted the name Protos Automobilwerk Nonnendamm GmbH and continued producing passenger and commercial vehicles.

  Source

1. 1Protos of Nonnendammen.wikipedia.org