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| All Patents in class 138/143 | |||||
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| Number | Date | Patentee | Title | Type | |
| 158,786 | Jan. 19, 1875 | J.W. Douglas | Lining pump cylinders | household hand pumps | |
| 441,733 | Dec. 02, 1890 | E.L. Wyckoff, A. Wyckoff | Composite tubing | ||
| 552,065 | Dec. 24, 1895 | J.B. King | Boring Tool | boring heads | |