Patents for Ralph H. Shepard |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
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 |
2,436,493 | Feb. 24, 1948 | R.H. Shepard | Mechanical Lubricator | 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 |