Diesel Engine: Patent (February 23, 1893)
On February 23, 1893, German engineer Rudolf Diesel (1858-1913) was granted a patent by the Imperial Patent Office in Berlin for “working methods and design for internal combustion engines.” This document secured Diesel’s rights to a new type of engine based on compression ignition – the diesel engine.
Source: Kaiserliches Patentamt Berlin (Imperial Patent Office). Patenturkunde an Rudolf Diesel, 28. Februar 1893 (Patent Certificate for Rudolf Diesel, February 28, 1893). Historisches Archiv der MAN Augsburg.
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