| Patents Granted on 1817-08-?? |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 2,819X | Aug. 01, 1817 | J.C. Helme | Pumps and pump boxes | pumps |
| 2,820X | Aug. 07, 1817 | C. Darmand | Hydraulic machine | |
| 2,821X | Aug. 08, 1817 | J. Carver | Veterinary ventilated bath | |
| 2,822X | Aug. 08, 1817 | W.B. Winsor, H. Franklin | Mode of preparing yarn for weaving | |
| 2,823X | Aug. 08, 1817 | D. Treadwell, P. Dow | Screw machine | screw machines |
| 2,824X | Aug. 11, 1817 | J. Andrews | Cutting wood and metal screw | |
| 2,825X | Aug. 11, 1817 | J. Andrews | Vertical axes, steps, or ink and gudgeon for mills | axes |
| 2,826X | Aug. 13, 1817 | E. Remington | Cloth shearing machine | splitting and shearing machinery |
| 2,827X | Aug. 13, 1817 | H. Gay, W. Ayres | Straw Cutting Machine | hay or straw cutters |
| 2,828X | Aug. 15, 1817 | C. Seaman | Head oar for steering | |
| 2,829X | Aug. 16, 1817 | W. Salisbury | Constructing fire places | fireplaces |
| 2,830X | Aug. 22, 1817 | R.B. Richardson | Japanned bellows | fireplace tools |
| 2,831X | Aug. 22, 1817 | J. Kendan | Bleaching cotton and linen yarn | |
| 2,832X | Aug. 23, 1817 | S. Smith | Threshing machine | miller |
| 2,833X | Aug. 27, 1817 | J. Heavin | Steam engine | steam engines |
