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| Patents for S. Lloyd Wiegand | |||||
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| Picture | Number | Date | Patentee | Title | |
| 41,182 | Jan. 05, 1864 | W.B. Le Van, S.L. Wiegand | Steam Engine Indicator | ||
| 44,572 | Oct. 04, 1864 | S.L. Wiegand | Gas Engine | ||
 | 48,448 | Jun. 27, 1865 | J.G. Ross | Improved Heel-Shave | |
| 81,049 | Aug. 11, 1868 | S.L. Wiegand | Screw Threading Machine | ||
 | 158,669 | Jan. 12, 1875 | H. Bilgram | Improvement in cut-off valve-gears | |
| 297,329 | Apr. 22, 1884 | S.L. Wiegand | Gas Engine | ||
 | 547,653 | Oct. 08, 1895 | S.L. Wiegand, W.H. Burr | Pipe Wrench | |
 | 626,401 | Jun. 06, 1899 | S.L. Wiegand | Pipe Wrench | |