| Fractional Patents |
Patents 31 -
45
of 91
      |
| Number | Date | Patentee | Title | Type |
| FX-6,844 | Nov. 20, 1831 | B.M. Smith | Propeller Screw | |
| FX-6,866 | Dec. 17, 1831 | J.S. Cram | Cheese press | cheese press |
| FX-6,910 | Jan. 25, 1832 | P. Payne, J. Randall (Rundell) | Cotton press | cotton presses |
| FX-7,104 | Jun. 04, 1832 | S. Prentiss | Grist mill, gate pressure | grist mills |
| FX-7,140 | Jun. 26, 1832 | A. Hale | Hay Press | |
| FX-7,196 | Aug. 09, 1832 | O. Badger, O. Sull (Lull) | Double Hydrostatic OilPpress | seed or oil presses |
| FX-7,281 | Nov. 06, 1832 | G. Hotchkiss | Water wheel | water wheels |
| FX-7,286 | Nov. 09, 1832 | A. McWilliams | Heating carriages | |
| FX-7,351 | Dec. 28, 1832 | S.H. Long | Car wheel | |
| FX-7,372 | Jan. 17, 1833 | S.H. Long | Steam engine valve | steam engines |
| FX-7,592 | May 23, 1833 | R. Beale, M. Bucklin | Edging timber | woodworking machines |
| FX-7,611 | Jun. 29, 1833 | M.W. Baldwin | Car wheel | |
| FX-7,696 | Aug. 04, 1833 | A. Clark | Coffee mill | coffee mills |
| FX-7,915 | Dec. 30, 1833 | S.H. Long | Valve | |
| FX-7,945 | Dec. 31, 1833 | J.A. Blake, E.W. Blake, P.E. Blake | Latch and bolt escutcheon lock | door and window hardware |
