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| All Patents in class 285/382.4 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 333,410 | Dec. 29, 1885 | M.E. Hawkins | Device for Upsetting the Ends of Metal Pipes | ||
 | 597,000 | Jan. 11, 1898 | C.A. Higbee | Pipe coupling | |
| 1,114,351 | Oct. 20, 1914 | C.L. Heisler | Pipe Expanding and Beading Machine | ||