| Patents Granted on 1845-__-__ |
Patents 1 -
15
of 77
      |
| Number | Date | Patentee | Title | Type |
| 3,878 | Jan. 10, 1845 | J.H. Towne | Oscillating Steam Engine | oscillating steam engines |
| 3,882 | Jan. 10, 1845 | G.E. Sellers | Drop Hammer | trip and helve hammers |
| 3,886 | Jan. 16, 1845 | J. Gardner | Water Wheel | turbine water wheels |
| 3,891 | Jan. 23, 1845 | R.D. Roys, N. French | Machine for boring and mortising | mortising machines |
| 3,893 | Jan. 23, 1845 | S. Brooks | Making Wood Screws | screw machines |
| 3,897 | Jan. 31, 1845 | A.A. Wilder | Machine for drilling and mortising wood or metal | drilling and boring |
| 3,899 | Jan. 31, 1845 | W.N. Clark | Single-Twist Auger, Gimlet, &c. | auger bits |
| 3,914 | Feb. 12, 1845 | S. Whipple | Machine for cutting files | making files |
| GB-184,510,525 | Feb. 17, 1845 | T.B. Jordan | Improvements in Machinery and Apparatus for Cutting, Carving and Engraving | carving machines |
| 3,927 | Feb. 24, 1845 | J. Arndt | Machine for filing saws | saw sharpening machines |
| 3,931 | Feb. 28, 1845 | S. Talbott | Steam-valve | steam engine valves |
| 3,941 | Mar. 12, 1845 | J.C. Dexter | Millstone Pick | mill stone dressers |
| 3,949 | Mar. 12, 1845 | D.C. Stone | Auger-Handle, &c. | auger handles |
| 3,959 | Mar. 21, 1845 | C. Aylsworth | Water Wheel | water wheels |
| 3,961 | Mar. 21, 1845 | B. Bicknell | Method of fastening cutters in machinery for planing lumber | cutterheads |
