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| All Patents in class 72/453.03 | |||||
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| Number | Date | Patentee | Title | Type | |
| 394,484 | Dec. 11, 1888 | G. Glossop | Pneumatic hammer | drop hammers | |
| 518,197 | Apr. 10, 1894 | A.J. Moxham | Machine for Straightening Rails or Other Metal Bars | metalworking machines | |
| 683,374 | Sep. 24, 1901 | J. Bêché | Pneumatic hammer | drop hammers | |
| 2,647,421 | Aug. 04, 1953 | W.W. Criley | Upsetting Forging Machine | forging machines | |