| All Patents in class 451/49 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 2,012,078 | Aug. 20, 1935 | G.W. Binns | Art of Grinding | grinding machines |
| 2,033,324 | Mar. 10, 1936 | L.F. Nenninger, J.E. Caster | Process of Grinding | grinding machines |
| 2,033,395 | Mar. 10, 1936 | W. Peaslee | Machine Tool | grinding machines |
| 2,073,079 | Mar. 09, 1937 | W. Peaslee, G.V. Johnston, F.J. Theler | Lapping Machine | grinding machines |
| 2,224,423 | Dec. 10, 1940 | G.W. Binns | Process and Apparatus for Finishing Preground Articles | grinding machines |
| 2,396,505 | Mar. 12, 1946 | C. Gumper | Grinding | grinders |
| 2,415,324 | Feb. 04, 1947 | J.C. Wilson | Method of Re-Journaling Spindle Shafts | metalworking machine bearings |
| 2,460,472 | Feb. 01, 1949 | H.N. Seyferth | Process for improving the surface of form ground races | industrial machine bearings |
| 2,730,845 | Jan. 17, 1956 | H. Ernst | Centerless Grinding Machine and Method | centerless grinders |
| 3,056,243 | Oct. 02, 1962 | J.H. Flanders | Tangential Grinding | cylindrical grinders |
| 3,079,741 | Mar. 05, 1963 | E.F. Render | Method for Grinding | centerless grinders |
| 3,209,494 | Oct. 05, 1965 | W.B. Seidel | Method and Apparatus for Grinding Annular Workpieces | cylindrical grinders |
| 3,422,583 | Jan. 21, 1969 | P.J. Gruber, A.D. Stuckey | Method for Positioning a Roll on a Roll Grinder | roll grinding machines |
| 3,751,860 | Aug. 14, 1973 | J.N. Tittle | Method of Grinding Rolls | cylindrical grinders |
| 4,198,790 | Apr. 22, 1980 | P. Gruber | Method for Finishing Spherical Rollers | profile and contour grinders |
