| All Patents in class 417/500 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 699,191 | May 06, 1902 | O.G. Kipp | Lubricator | lubricators |
| 796,659 | Aug. 08, 1905 | O.G. Kipp, deceased (Estate of) | Lubricator | lubricators |
| 827,402 | Jul. 31, 1906 | A.A. Stelting | Lubricator | lubricators |
| 865,315 | Sep. 03, 1907 | W.E. Parr | Lubricant Feeding and Distributing Mechanism | lubricators |
| 1,262,979 | Apr. 16, 1918 | W.H. Putnam | Force-feed lubricator | lubricators |
| 2,369,345 | Feb. 13, 1945 | B.E. Folke | Hydraulic Pump | hydraulic pumps |
| 2,420,984 | May 20, 1947 | R.H. Shepard | Hydraulic Pump | hydraulic pumps |
| 2,430,394 | Nov. 04, 1947 | R.H. Shepard, B.E. Folke | Hydraulic Pump | hydraulic pumps |
| 2,436,492 | Feb. 24, 1948 | R.H. Shepard | Pumping Units for Mechanical Lubricators | industrial machine lubrication |
| 2,467,916 | Apr. 19, 1949 | R.H. Shepard | Hydraulic Pump | hydraulic pumps |
| 2,474,661 | Jun. 28, 1949 | R.H. Shepard, B.E. Folke | Lubricating Device | gas turbine lubricators |
| 2,517,645 | Aug. 08, 1950 | C.F. Erikson | Pumping Mechanism | reciprocating pumps |
