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| Patents for Manzel Brothers Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 791,636 | Jun. 06, 1905 | C.W. Manzel | Oil Pump | oil pumps | |
| 828,326 | Aug. 14, 1906 | C.W. Manzel | Oil Pump | oil pumps | |
| 1,014,403 | Jan. 09, 1912 | A.W. Manzel | Force Feed Lubricator | tool lubricators | |
| 1,069,450 | Aug. 05, 1913 | C.W. Manzel | Force Feed Lubricator | tool lubricators | |
| 1,213,522 | Jan. 23, 1917 | C.W. Manzel | Air Pump | air pumps | |
| 1,323,603 | Dec. 02, 1919 | A.W. Manzel | Force Feed Lubricator | tool lubricators | |
| 1,625,618 | Apr. 19, 1927 | A.W. Manzel | Oil Pump | oil pumps | |