| All Patents in class 29/251 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 401,968 | Apr. 23, 1889 | J. Walker, J. Richards | Machine for driving mandrels, keys, &c. | |
| 464,316 | Dec. 01, 1891 | R.C. Greenerd | Machine for Applying and Removing Collars from Shafts | arbor presses |
| 527,731 | Oct. 16, 1894 | J.H. Sheridan | Arbor-press | arbor presses |
| 689,154 | Dec. 17, 1901 | E.E. Bartlett | Arbor Press | arbor presses |
| 773,912 | Nov. 01, 1904 | E.E. Bartlett | Arbor Press | arbor presses |
| 782,862 | Feb. 21, 1905 | H.M. Lucas | Power-press | arbor presses |
| 829,488 | Aug. 28, 1906 | C. Ridderhof | Mandrel-press | screw presses |
| 1,033,050 | Jul. 16, 1912 | J.A. Gilmore | Combined Arbor Press and Punching Machine | arbor presses |
| 1,038,543 | Sep. 17, 1912 | G.T. Eames | Arbor press or ram | arbor presses |
| 1,103,179 | Jul. 14, 1914 | W.E. Elliott | Arbor Press | arbor presses |
| 1,103,182 | Jul. 14, 1914 | W.E. Elliott | Arbor Press | arbor presses |
| 1,106,500 | Aug. 11, 1914 | G.T. Eames | Arbor press | arbor presses |
| 1,128,240 | Feb. 09, 1915 | J.B. Flint | Arbor-press | arbor presses |
| 1,135,983 | Apr. 20, 1915 | E.E. Bartlett | Arbor-press | arbor presses |
| 1,201,162 | Oct. 10, 1916 | G.T. Eames | Mandrel-press | arbor presses |
