Karl Benz patents the Benz Patent-Motorwagen (1886)

Karl Benz patented the Benz Patent-Motorwagen, widely regarded as the first practical automobile. Developed in Mannheim, the vehicle was built in 1885 and patented in 1886. Benz publicly drove the car on Mannheim's Ringstrasse in July 1886, establishing its operational viability. This event focuses on the patent application, the vehicle's construction, and its initial public demonstration, excluding later commercial expansions or unrelated developments.

Episodes

Background and detail

Background. Karl Benz began working on his Motorwagen in 1884, outside his official company responsibilities. By the end of 1885, he was confident enough in the vehicle's design to prepare a patent application. The original Patent-Motorwagen was developed between 1884 and 1887, featuring a single-cylinder four-stroke engine and belt-drive. Benz withdrew from his previous corporation in 1883, allowing him to focus on this independent development.

Patent Application. Benz submitted the patent application for an "automobile fueled by gas" on 29 January 1886. The patent, number DRP37435, was granted on 2 November 1886. The patent date is typically recorded as the filing date, hence the designation "Benz Patent-Motorwagen." This patent covered the layout and belt-drive technology used in the cars produced between 1885 and 1893.

Public Demonstration. Benz first tested the Motorwagen on public roads in the early summer of 1886. He drove it publicly on the Ringstrasse in Mannheim on 3 July 1886. The first version Benz was willing to be seen in was the Patent-Motorwagen Nr. 2, which featured wooden wheels and heavier-duty transmission. This demonstration established the vehicle's practicality in an urban setting.

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