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| All Patents in class 92/170.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 825,832 | Jul. 10, 1906 | C.L. Heisler | Pump Plunger Packing Box | steam pumps | |
| 2,180,795 | Nov. 21, 1939 | N.A. Christensen | Packing | shaft seals | |
| 3,054,649 | Sep. 18, 1962 | W.C. Arnold, E.F. Tinder | Pore Filled Metal Wear Surfaces and Method of Pore Filling the Same | manufacturing processes | |
| 3,839,946 | Oct. 08, 1974 | W.W. Paget | Nonlubricated Compressor | air compressors | |