| All Patents in class 123/27R |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 11,900 | Nov. 07, 1854 | B. McKeage | Mode of sawing bolts for staves | barrel making machines |
| 542,846 | Jul. 16, 1895 | R. Diesel | Method and Apparatus for Converting Heat to Work | diesel engines |
| 588,062 | Aug. 10, 1897 | H.C. Hart | Gas Engine | gas and gasoline engines |
| 608,845 | Aug. 09, 1898 | R. Diesel | Internal Combustion Engine | diesel engines |
| 654,140 | Jul. 24, 1900 | R. Diesel | Apparatus for Regulating Fuel-Supply of Internal-Combustion Engines | fuel systems |
| 673,160 | Apr. 30, 1901 | R. Diesel | Method of Igniting and Regulating Combustion for Internal Combustion Engines | diesel engines |
| 2,780,209 | Feb. 05, 1957 | H.J. Renken | Engine Fuel Delivery Means | fuel systems |
| 2,791,988 | May 14, 1957 | W.C. Fischer | Dual Fuel Internal Combustion Engine | fuel systems |
