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| All Patents in class 175/219 | |||||
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| Number | Date | Patentee | Title | Type | |
| 367,783 | Aug. 09, 1887 | J.S. Brown | Well Drilling and Piping Machine | well drilling machines | |
| 626,933 | Jun. 13, 1899 | J. Reid | Apparatus for Drilling Wells | oilfield machinery | |
| 685,641 | Oct. 29, 1901 | J. Reid | Apparatus for Drilling and Operating Oil Wells | oilfield machinery | |