| Patents for Henry T. Brown |
Patents 16 -
30
of 33
      |
| Number | Date | Patentee | Title | Type |
| 120,266 | Oct. 24, 1871 | J.J. Grant | Improvement in Dies for Cutting Screw Threads | tap wrenches and die stocks |
| 127,294 | May 28, 1872 | H.H. Baker | Improvement in mechanical movements | metalworking machine gearing |
| 131,839 | Oct. 01, 1872 | H.H. Baker | Improvement in propulsion of canal-boats | boats and ships |
| 135,341 | Jan. 28, 1873 | J. Jones | Adjustable Cutter for Scraper Plane | scraper planes |
| 141,398 | Jul. 29, 1873 | E.B. Stimpson | Improvement in machinery for folding leather | leatherworker |
| 142,504 | Sep. 02, 1873 | L.H. Olmsted | Improvement in the modes of regulating speed in machinery | sewing machines |
| 144,965 | Nov. 25, 1873 | J.W. Douglas | Improvement in pumps | household hand pumps |
| 149,191 | Mar. 31, 1874 | J. Brady | Folding-Keys | |
| 149,983 | Apr. 21, 1874 | J.A. Bragaw | Improvement in cork-screws | mechanical cork extractors |
| 151,565 | Jun. 02, 1874 | J.W. Campbell | Sliding-table saw | tablesaws |
| 153,528 | Jul. 28, 1874 | O.T. Bedell | Improvement in Wrenches | screw adjust wrenches |
| 158,668 | Jan. 12, 1875 | O.T. Bedell | Wrenches | screw adjust wrenches |
| 168,064 | Sep. 21, 1875 | H. Thomas | Planer-Chuck | metal planer accessories |
| 169,812 | Nov. 09, 1875 | R. Jack | Wrench | angle adjustable wrenches |
| 178,714 | Jun. 13, 1876 | H.J. Behrens | Improvement in valve-gears for direct-acting engines | steam engine valve gear |
