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| Patents for Harvey B. Lutz | |||||
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| Number | Date | Patentee | Title | Type | |
| 604,534 | May 24, 1898 | H.B. Keiper | Gearing | metalworking machine mechanisms | |
| 604,662 | May 24, 1898 | H.B. Keiper | Gearing | metalworking machine mechanisms | |
| 604,678 | May 24, 1898 | H.B. Keiper | Ball-retainer for antifriction-bearings | industrial machine bearings | |
| 605,722 | Jun. 14, 1898 | H.B. Keiper | Gearing | metalworking machine mechanisms | |
| 686,617 | Nov. 12, 1901 | H.B. Keiper | Ball-retainer | industrial machine bearings | |
| D45,165 | Jan. 13, 1914 | H.E. Warren | Wrench | wrenches | |