All Patents of Type: cutter grinding |
Patents 1 -
15
of 30
|
Number | Date | Patentee | Title | Type |
16,223 | Dec. 16, 1856 | E. Andrews | Improved machine for grinding saws | cutter grinding |
18,509 | Oct. 27, 1857 | G.F. Butterfield, D. Lovejoy | Grinding and polishing metal | cutter grinding |
RE2,290 | Jun. 19, 1866 | E. Andrews | Improved machine for grinding saws | cutter grinding |
95,988 | Oct. 19, 1869 | A.G. Coes | Sharpening Machine | cutter grinding |
104,584 | Jun. 21, 1870 | C. Hardy | Improvement in grinding ledger and fly-blades, planer-knives, etc. | cutter grinding |
107,894 | Oct. 04, 1870 | E.S. Fernald | Improvement in knife-grinding machines | cutter grinding |
129,548 | Jul. 16, 1872 | J.J. Grant | Improvement in devices for grinding rotary cutters | cutter grinding |
158,172 | Dec. 29, 1874 | C.H. Hill, A.W. Proctor | Improvement in machine for grinding knives | cutter grinding |
158,173 | Dec. 29, 1874 | C.H. Hill, A.W. Proctor | Improvement in belt-shifters | cutter grinding |
267,579 | Nov. 14, 1882 | M.W. Palmer | Planer-knife grinder | cutter grinding |
773,495 | Oct. 25, 1904 | E. Harrold, C.G. Wilderson | Attachment for sharpening bandsaws | cutter grinding |
799,641 | Sep. 19, 1905 | W.R. Fox | Grinding-machine | cutter grinding |
946,635 | Jan. 18, 1910 | F. Franke | Machine for grinding straight machine-knives | cutter grinding |
975,789 | Nov. 15, 1910 | T.A. Panyard | Gearing | cutter grinding |
977,060 | Nov. 29, 1910 | F. Welker | Grinding-machine | cutter grinding |