| Patents Granted on 1799-??-?? |
Patents 1 -
15
of 45
      |
| Number | Date | Patentee | Title | Type |
| 225X | Jan. 03, 1799 | T. Thompson | Method of regulating wind mills | wind power apparatus |
| 226X | Jan. 04, 1799 | S. Hart | Machine for making nails, etc. | nail making machines |
| 227X | Jan. 10, 1799 | J. Huntley | Machine for raising water | water elevators |
| 228X | Jan. 17, 1799 | M.I. Brunel | Machine for writing with two pens | office worker |
| 229X | Jan. 24, 1799 | J. Sears | Machine for Manufacturing Salt | salt making apparatus |
| 230X | Jan. 24, 1799 | H. Abbott | Improvement in a coal stove | stoves |
| 231X | Jan. 25, 1799 | E. Spooner | Machine for cutting corn, beans, etc. | cultivators and tillers |
| 232X | Jan. 25, 1799 | E. Spooner | Machine for Planting Corn, Beans, Etc. | corn planters |
| 233X | Feb. 14, 1799 | E. Reed | Horizontal water wheel | water wheels |
| 234X | Feb. 14, 1799 | B. Dearborn | Improvement in Steelyards | scales and balances |
| 235X | Feb. 14, 1799 | B. Duval | Preparation of steel for cutting glass | glass cutters |
| 236X | Feb. 14, 1799 | J. Perkins | Making nails | nail making machines |
| 237X | Feb. 14, 1799 | B. Tyler | Flax and hemp mill | flax and hemp machines |
| 238X | Feb. 26, 1799 | W. Hancock | Casting iron | steel maker |
| 239X | Mar. 02, 1799 | C. Whiting | Extracting oil from cotton seeds | cotton presses |
