| All Patents in class 137/512 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 51,522 | Dec. 12, 1865 | C.A. Stillman | Improvement in pumps | steam pumps |
| 183,025 | Oct. 10, 1876 | W.S. Grosvenor, J. Sangster | Marine Engine Governor | boats and ships |
| 351,393 | Oct. 26, 1886 | P. Murray, Jr. | Gas Engine | gas and gasoline engines |
| 607,536 | Jul. 19, 1898 | M.F. Bates | Gas Engine | gas and gasoline engines |
| 650,789 | May 29, 1900 | J.S. Losch | Gas Engine | gas and gasoline engines |
| 668,954 | Feb. 26, 1901 | C.E. Dawson | Explosion Engine | cooling apparatus |
| 791,636 | Jun. 06, 1905 | C.W. Manzel | Oil Pump | oil pumps |
| 1,208,259 | Dec. 12, 1916 | A. Winton | Fuel Feed for Internal Combustion Motors | fuel systems |
| 1,339,500 | May 11, 1920 | E.T. Larkin, C.A. Criqui | Pump | diaphragm pumps |
| 1,428,402 | Sep. 05, 1922 | G.F. Steedman | Reciprocating Pump or Compressor | reciprocating pumps |
| 1,530,113 | Mar. 17, 1925 | J.G. Gibson | Valve | internal combustion engine valves |
| 1,630,799 | May 31, 1927 | D.G. Murray | Compressor | air compressors |
| 1,708,158 | Apr. 09, 1929 | E.H. Stedman | Valve structure for compressors | air compressors |
| 3,702,624 | Nov. 14, 1972 | H. Fries | Piston Pump | water pump valves |
