| Patents for J. Henry Hill |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 17,183 | Apr. 28, 1857 | M. Marshall | Method of reversing chisels of mortising-machines | mortising machines |
| 20,407 | Jun. 01, 1858 | A.G. Coes | Improved Wrench or Pipe-Tongs for Turning or Revolving Cylindrical Bodies | pipe tongs |
| 28,157 | May 08, 1860 | A.G. Coes, L. Coes | Rolling The Shanks and Bars of Screw-Wrenches | wrench components |
| 29,360 | Jul. 31, 1860 | A.G. Coes, L. Coes | Machine for Heading Screw-Wrench Blanks | tool making machines |
| 31,075 | Jan. 08, 1861 | A.G. Coes, L. Coes | Machine For Grinding Heads of Wrenches or Other Articles | tool making machines |
| 43,364 | Jun. 28, 1864 | J. Edgecomb | Improvement in boring-machines | portable timber borers |
| RE1,852 | Jan. 17, 1865 | S.S. Bartlett | Improvement in mortising-machines | mortising machines |
| 47,436 | Apr. 25, 1865 | C.B. Long | Improvement in Gear Cutting Rules | rules |
| 57,136 | Aug. 14, 1866 | C.B. Holden | Hand Punch | ticket |
| 64,064 | Apr. 23, 1867 | S.F. Bond | Improvement in self-lubricating journal-box | industrial machine lubrication |
| 65,138 | May 28, 1867 | T.F. Taft | Improvement machine for cutting sheet or bar metal | metalworking machines |
| 70,592 | Nov. 05, 1867 | R.N. Meriam | Matching attachment for planer | cutterheads |
| 87,547 | Mar. 09, 1869 | L. Coes | Improvement in the Construction of Monkey-Wrenches | wrench handle components |
| 96,203 | Oct. 26, 1869 | L. Coes | Universal Fork-Wrench | wrench jaw components |
| RE5,329 | Mar. 18, 1873 | I. Gibbs | Stock for holding cutters in Daniels planer | wood planers |
