Historedia
Person

Beau de Rochas

Events
1
Episodes
2
Years
1876

Every event in Historedia whose sources name Beau de Rochas, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Nicolaus Otto patents the four-stroke internal combustion engine

    1876

    Role: Prior Patent Holder

    1. 1876 · Deutz, GermanyDevelopment of the Four-Stroke Engine

      Otto and Langen created the first internal combustion engine that compressed the fuel mixture prior to combustion, achieving higher efficiency than previous designs.

    2. 1876 · Deutz, GermanyAppearance of the Rings-Schumm Engine

      The engine developed by Franz Rings and Herman Schumm appeared in autumn 1876 and was immediately successful.

Sources

  1. Nicolaus Otto Wikipedia, revision of 2026-09-14