| All Patents in class 123/557 |
Patents 16 -
30
of 41
      |
| Number | Date | Patentee | Title | Type |
| 414,173 | Oct. 29, 1889 | E. Stevens | Combined Gas and Compressed Air Engine | |
| 432,260 | Jul. 15, 1890 | G.B. Brayton | Hydrocarbon Engine | |
| 439,702 | Nov. 04, 1890 | H.A. Stuart | Petroleum Engine or Motor | |
| 440,485 | Nov. 11, 1890 | T. Browett, H. Lindley | Liquid Hydrocarbon Motor Engine | |
| 480,535 | Aug. 09, 1892 | G.W. Weatherhogg | Petroleum or Similar Engine | |
| 535,914 | Mar. 19, 1895 | J. Kosakoff, V. List | Petroleum or Oil Engine | oil engines |
| 541,773 | Jun. 25, 1895 | F.S. Mead | Gas Engine | internal combustion engines |
| 552,686 | Jan. 07, 1896 | J. Carter, E. Carter, F. Carter | Petroleum Oil Engine | oil engines |
| 565,033 | Aug. 04, 1896 | J. Robison | Gas and Oil Engine | gas and gasoline engines |
| 566,125 | Aug. 18, 1896 | A. Barker | Vaporizer for Oil Engines | vaporizers |
| 573,762 | Dec. 22, 1896 | J. Charter, Jr. | Gas Engine | gas and gasoline engines |
| 577,189 | Feb. 16, 1897 | G.W. Lewis | Vapor Engine | |
| 582,073 | May 04, 1897 | F.S. Mead | Gas or Oil Engine | oil engines |
| 582,271 | May 11, 1897 | H.T. Dawson | Oil or Gas Engine | internal combustion engines |
| RE11,633 | Oct. 12, 1897 | D. Best | Gas Engine and Generator | |
