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| All Patents in class 92/135 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,364,823 | Jan. 04, 1921 | J.J. Aull | Gas Engine Primer | fuel primers | |
| 1,795,310 | Mar. 10, 1931 | W.E. Mathews | Compressor Unloader | air compressors | |
| 2,056,910 | Oct. 06, 1936 | L.L. Schauer | Hydraulic motor unit | metalworking machine mechanisms | |
| 2,287,456 | Jun. 23, 1942 | R.C. Springston | Sealing Means | shaft seals | |
| 2,355,346 | Aug. 08, 1944 | W.H. Weber | Carburetor Accelerating Pump | fuel pumps | |
| 2,444,159 | Jun. 29, 1948 | L.E. Godfriaux | Fluid Pump | reciprocating pumps | |