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| Patents for Ralph H. Shepard | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,420,984 | May 20, 1947 | R.H. Shepard | Hydraulic Pump | ||
| 2,430,394 | Nov. 04, 1947 | R.H. Shepard, B.E. Folke | Hydraulic Pump | ||
| 2,436,492 | Feb. 24, 1948 | R.H. Shepard | Pumping Units for Mechanical Lubricators | ||
| 2,436,493 | Feb. 24, 1948 | R.H. Shepard | Mechanical Lubricator | ||
| 2,467,916 | Apr. 19, 1949 | R.H. Shepard | Hydraulic Pump | ||
| 2,474,661 | Jun. 28, 1949 | R.H. Shepard, B.E. Folke | Lubricating Device | ||