| All Patents in class 123/41.34 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 98,061 | Dec. 21, 1869 | A. Hendry | Steam and Caloric Engine | hot air engines |
| 276,751 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 332,312 | Dec. 15, 1885 | S. Wilcox | Air and Gas Engine | gas and gasoline engines |
| 337,000 | Mar. 02, 1886 | J.P. Holland | Hydrocarbon Engine | gas and gasoline engines |
| 421,474 | Feb. 18, 1890 | A. Schmid, J.C. Beckfeld | Gas Engine | gas and gasoline engines |
| 652,724 | Jun. 26, 1900 | N.W. Perkins, Jr., C.K. Pickles | Gas Engine | gas and gasoline engines |
| 657,384 | Sep. 04, 1900 | S.F. Beetz | Explosive Engine | internal combustion engines |
| 666,368 | Jan. 22, 1901 | H.F. Wallman | Internal Combustion Engine | internal combustion engines |
