| Patents for S. Lloyd Wiegand | 
| Patents 1 - 
					8
					of 8 
       | 
| Number | Date | Patentee | Title | Type | 
| 41,182 | Jan. 05, 1864 | W.B. Le Van, S.L. Wiegand | Steam Engine Indicator | steam engine indicators | 
| 44,572 | Oct. 04, 1864 | S.L. Wiegand | Gas Engine | gas and gasoline engines | 
| 48,448 | Jun. 27, 1865 | J.G. Ross | Improved Heel-Shave | shaves | 
| 81,049 | Aug. 11, 1868 | S.L. Wiegand | Screw Threading Machine | screw machines | 
| 158,669 | Jan. 12, 1875 | H. Bilgram | Improvement in cut-off valve-gears | steam engine valve gear | 
| 297,329 | Apr. 22, 1884 | S.L. Wiegand | Gas Engine | gas and gasoline engines | 
| 547,653 | Oct. 08, 1895 | S.L. Wiegand, W.H. Burr | Pipe Wrench | chain and strap wrenches | 
| 626,401 | Jun. 06, 1899 | S.L. Wiegand | Pipe Wrench | chain and strap wrenches |