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| Patents for Herbert E. Kempton | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,486,968 | Mar. 18, 1924 | H.E. Kempton | Precision Device for Boring Machines and the Like | horizontal boring mill attachments | |
| 1,534,302 | Apr. 21, 1925 | K.F. Gallimore, H.E. Kempton, P. Conradson | Grinding Machine | internal grinders | |
| 1,631,596 | Jun. 07, 1927 | H.E. Kempton | Wheel Dressing Mechanism | grinder dressers | |