| Patents Granted on 1831-??-?? |
Patents 1 -
15
of 580
      |
| Number | Date | Patentee | Title | Type |
| XC-17 | Jan. 03, 1831 | A. Austin | Machine for threshing grain | threshers and thrashers |
| XC-18 | Jan. 03, 1831 | A. Austin | Machine for threshing grain | threshers and thrashers |
| 6,315X | Jan. 04, 1831 | A. Foot | Saving water power | |
| 6,316X | Jan. 04, 1831 | I.W. Rutherford | Vertical tooth extractor | |
| 6,317X | Jan. 05, 1831 | J. Reed | Furnace to generate steam for culinary purposes | |
| 6,318X | Jan. 05, 1831 | T.R. Vanderslice | Adjusting metallic plates to artificial teeth | |
| 6,319X | Jan. 06, 1831 | I. Norton | Thrashing machine | threshers and thrashers |
| 6,320X | Jan. 06, 1831 | E. Townsend, P. Durfee | Manufacturing ropes | rope maker |
| 6,321X | Jan. 07, 1831 | A. Gorham | Stump machine | stump elevators |
| 6,322X | Jan. 07, 1831 | G.W. Grater | Stereotype Extendible Blocks | printer |
| 6,323X | Jan. 07, 1831 | M.D. Mann, S. Sturdevant | Vertical Type Caster | type casting machines |
| 6,324X | Jan. 08, 1831 | S. Sturdevant | Type Rubber or Machine for Smoothing the Bodies of Types | printer |
| 6,325X | Jan. 08, 1831 | I. Loomis, N. Cushman | Boats, transporting passengers | boats and ships |
| 6,326X | Jan. 08, 1831 | I. Loomis, N. Cushman | Cotton gin frame | cotton gins |
| 6,327X | Jan. 10, 1831 | J. Cairon | Distilling | |
