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| Patents for John Marshall Crowe | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,446,547 | Feb. 27, 1923 | J.M. Crowe | Valve for pneumatic tools | pneumatic tools | |
| 1,485,010 | Feb. 26, 1924 | J.M. Crowe, J.E. Ash | Tool holder for pneumatic hammers | pneumatic tools | |
| 1,554,790 | Sep. 22, 1925 | J.M. Crowe | Rivet catcher | pneumatic tools | |
| 1,644,326 | Oct. 04, 1927 | J.M. Crowe | Portable motor-driven saw | handheld circular saws | |