| All Patents in class 144/229 |
Patents 31 -
43
of 43
      |
| Number | Date | Patentee | Title | Type |
| 448,254 | Mar. 17, 1891 | C.R. Penfield | Cutter head | cutterheads |
| 452,311 | May 12, 1891 | R.E. Linham | Molding-cutter | cutterheads |
| 568,978 | Oct. 06, 1896 | A. Hitzert | Barrel-head machine | cooper |
| 611,336 | Sep. 27, 1898 | A.J. Schindler | Machine for working off kegs or barrels | barrel making machines |
| 644,514 | Feb. 27, 1900 | S. Harrington | Cutter-head | cutterheads |
| 843,498 | Feb. 05, 1907 | E.S. Shimer | Cutter-head | cutterheads |
| 1,635,732 | Jul. 12, 1927 | J.J. Witt | Molding cutter | cutterheads |
| 2,836,206 | May 27, 1958 | W.L. Gaskell | Bit anchorage means for a cylindrical cutter head | cutterheads |
| 2,846,904 | Aug. 12, 1958 | W.E. Dow | Boring Bar | multiple spindle lathes |
| 2,896,678 | Jul. 28, 1959 | J.W. Edgemond, Jr. | Blade anchorage means for molding head | cutterheads |
| 3,487,865 | Jan. 06, 1970 | F.F. Chapman, D. Hill | Cutter-head | cutterheads |
| RE27,654 | Jun. 05, 1973 | F.F. Chapman, D. Hill | Cutter-head structure | cutterheads |
| 5,146,963 | Sep. 15, 1992 | R.M. Bayly, C.T. Carpenter | Chipping Device | insert tool holders |
