| All Patents in class 123/145R |
Patents 16 -
30
of 72
      |
| Number | Date | Patentee | Title | Type |
| 417,924 | Dec. 24, 1889 | E. Korting | Method of Automatic Ignition in Gas Engines | ignition systems |
| 424,345 | Mar. 25, 1890 | N.A. Otto | Igniting Apparatus for Gas or Oil Motor Engines | ignition systems |
| 428,762 | May 27, 1890 | W.S. Sharpneck | Rotary Gas Engine | rotary engines |
| 428,858 | May 27, 1890 | J. Kunze, J.J. Pearson | Igniter for Gas Engines | ignition systems |
| 453,071 | May 26, 1891 | I.F. Allman | Gas Engine | gas and gasoline engines |
| 456,505 | Jul. 21, 1891 | J.H. Hamilton, A. Rollason | Gas or Vapor Engine | gas and gasoline engines |
| 466,331 | Jan. 05, 1892 | H.T. Dawson | Gas Engine | gas and gasoline engines |
| 478,651 | Jul. 12, 1892 | B. Stein | Gas and Petroleum Motor | gas and gasoline engines |
| 488,093 | Dec. 13, 1892 | H. Schumm | Igniting Apparatus for Gas Engines | ignition systems |
| 492,126 | Feb. 21, 1893 | C.W. Weiss | Igniter for Gas Engines | ignition systems |
| 499,935 | Jun. 20, 1893 | C.W. Pinkney | Gas Engine | ignition systems |
| 508,042 | Nov. 07, 1893 | A. Niemczÿk | Gas Motor | |
| 508,618 | Nov. 14, 1893 | G.E. Hoyt | Igniting Apparatus for Gas Engines | ignition systems |
| 510,213 | Dec. 05, 1893 | H.W. Tuttle | Compression Gas Engine | gas and gasoline engines |
| 513,486 | Jan. 30, 1894 | H.T. Dawson | Gas Engine | internal combustion engines |
