| All Patents in class 82/106 |
Patents 31 -
45
of 125
      |
| Number | Date | Patentee | Title | Type |
| 1,372,075 | Mar. 22, 1921 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes |
| 1,378,642 | May 17, 1921 | L.I. Yeomans | Process and machine for making crank-shafts for engines, compressors, and the like | crankshaft lathes |
| 1,431,919 | Oct. 17, 1922 | H. Baerbalck | Crank-shaft lathe | metal lathes |
| 1,448,321 | Mar. 13, 1923 | A. Weber | Crank Pin Turning Tool | lathe tools |
| 1,462,979 | Jul. 24, 1923 | A.S. Weston, F. Petersen | Combined Crank Shaft Turning Tool and Automatically Reciprocating Mechanism for Supporting and Operating the Same | lathe tools |
| 1,494,089 | May 13, 1924 | J.C. Wilkie | Crank-shaft-supporting mechanism for lathes | metal lathe accessories and attachments |
| 1,528,972 | Mar. 10, 1925 | W.F. Groene | Lathe of the Type Generally Referred to as Crank Shaft Lathe | crankshaft lathes |
| 1,617,403 | Feb. 15, 1927 | J.E. Lovely | Automatic Compensating Chuck | metal lathe chucks |
| 1,633,633 | Jun. 28, 1927 | W.F. Groene | Crank Shaft Lathes | crankshaft lathes |
| RE17,040 | Jul. 17, 1928 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes |
| 1,700,721 | Jan. 29, 1929 | W.F. Groene | Center Drive Lathe | crankshaft lathes |
| 1,744,885 | Jan. 28, 1930 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls |
| 1,793,789 | Feb. 24, 1931 | F.S. Floeter | Tool-feed device for crank-pin-turning lathes | crankshaft lathes |
| 1,799,893 | Apr. 07, 1931 | F.S. Floeter | Tool holder for double-acting lathes | crankshaft lathes |
| 1,843,359 | Feb. 02, 1932 | W.F. Groene | Double Center Drive Crank Shaft Lathe | crankshaft lathes |
