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| All Patents in class 470/79 | |||||
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| Number | Date | Patentee | Title | Type | |
| 106,551 | Aug. 23, 1870 | W.T. Cole | Improved Chuck for Holding Pipes and Tubes while being Screw-Threaded | pipe making machines | |
| 619,139 | Feb. 07, 1899 | C.F. Chase | Screw Cutting Apparatus | nut or bolt making machines | |
| 1,943,643 | Jan. 16, 1934 | W.W. Vosper | Power Tool | pipe threading machines | |
| 2,292,788 | Aug. 11, 1942 | M.W. Lamprecht | Threading machine die head | metal threading machines | |