| All Patents in class 74/840 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 2,064X | Feb. 12, 1814 | D. Pettibone | Boring guns and pistols with twisted screw auger | drilling and boring |
| 9,441 | Dec. 07, 1852 | C.W. Coe | Drilling-machine | drill presses |
| 14,327 | Feb. 26, 1856 | J. Temple | Boring-machine | drilling and boring |
| 26,986 | Jan. 31, 1860 | F.H. Harwood | Mortising-machine | mortising machines |
| 27,320 | Feb. 28, 1860 | G.C. Taft | Drill | horizontal drilling machines |
| 42,011 | Mar. 22, 1864 | W. Morton | Improvement in Drilling Machines | drill presses |
| 46,123 | Jan. 31, 1865 | W. Lyon | Improvement in drilling-machines | drilling and boring |
| 111,532 | Feb. 07, 1871 | J.R. Group | Improvement in machines for boring posts | drilling and boring |
| 138,742 | May 13, 1873 | J. Eisenmann | Machines for Boring Hubs | wheelwright |
| 146,885 | Jan. 27, 1874 | W.H. Doane, G.W. Bugbee | Improvement in boring machines | drilling and boring |
| 151,912 | Jun. 09, 1874 | F.E. Reed | Improvement in Metal-Drilling Machines | drill presses |
| 175,969 | Apr. 11, 1876 | D. Goodnow, Jr. | Improvement in hand-drills for drilling metal | hand drills |
| 206,979 | Aug. 13, 1878 | A.J. Smart | Improvement in machines for drilling | woodworking post drills |
| 270,537 | Jan. 09, 1883 | J. Barnes, B.F. Barnes | Feed mechanism for drills | metalworking machine mechanisms |
| 307,680 | Nov. 04, 1884 | H.M. Perry | Boring-machine | drill presses |
