| All Patents in class 123/188.4 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 348,999 | Sep. 14, 1886 | J.F. Place | Gas Engine | gas and gasoline engines |
| 359,920 | Mar. 22, 1887 | L.T. Cornell | Gas Engine | gas and gasoline engines |
| 362,187 | May 03, 1887 | J.C. Beckfeld, A. Schmid | Gas Engine | gas and gasoline engines |
| 368,422 | Aug. 16, 1887 | C.T. Porter | Valve for steam-engines | steam engine valves |
| 390,710 | Oct. 09, 1888 | H.K. Shanck | Gas Engine | gas and gasoline engines |
| 451,620 | May 05, 1891 | G.W. Lewis | Gas or Vapor Engine | gas and gasoline engines |
| 457,459 | Aug. 11, 1891 | J.S. Conelly | Gas Motor | gas and gasoline engines |
| 580,445 | Apr. 13, 1897 | F.H. Bates, F.G. Bates | Motor Engine | internal combustion engines |
| 627,219 | Jun. 20, 1899 | E.J. Woolf | Air and Gas Engine | gas and gasoline engines |
| 629,904 | Aug. 01, 1899 | L.J. Hirt | Gas Engine | gas and gasoline engines |
| 808,014 | Dec. 19, 1905 | E.T. Cope | Steam Engine Valve | steam engine valves |
| 1,069,794 | Aug. 12, 1913 | A.A. Lazier | Internal Combustion Engine | |
