| Patents for Nicolaus August Otto |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
| | 67,659 | Aug. 13, 1867 | N.A. Otto, E. Langen | Gas Engine |
| | 335,038 | Jan. 26, 1886 | N.A. Otto | Slide and Passage for Gas Motor Engines |
| | 350,077 | Sep. 28, 1886 | N.A. Otto | Gas Motor Engine |
| | 365,701 | Jun. 28, 1887 | N.A. Otto | Gas Motor Engine |
| | 386,929 | Jul. 31, 1888 | N.A. Otto | Igniting Apparatus for Gas Engines |
| | 388,372 | Aug. 21, 1888 | N.A. Otto | Gas Motor Engine |
| | 407,234 | Jul. 16, 1889 | N.A. Otto | Motor Engine Worked by Combustion of Spray of Petroleum |
| | 424,345 | Mar. 25, 1890 | N.A. Otto | Igniting Apparatus for Gas or Oil Motor Engines |
| | 433,806 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor |
| | 433,807 | Aug. 05, 1890 | N.A. Otto | Motor Engine Worked by Oil Vapor |
