| Patents for William F. Groene |
Patents 166 -
180
of 212
      |
| Number | Date | Patentee | Title | Type |
| 2,250,097 | Jul. 22, 1941 | W.F. Groene, W.A. Kimsey | Feed Control Mechanism for Lathes | metalworking machine mechanisms |
| 2,250,631 | Jul. 29, 1941 | W.R. Meyer, W.F. Groene | Crankshaft Chuck | metal lathe chucks |
| 2,250,633 | Jul. 29, 1941 | W.F. Groene, G.W. Luning | Taper attachment | metal lathe accessories and attachments |
| 2,251,707 | Aug. 05, 1941 | G.W. Luning, W.F. Groene | Feedbox for Lathes | metalworking machine mechanisms |
| 2,264,752 | Dec. 02, 1941 | W.F. Groene | Flame Hardening Machine | metalworking machines |
| 2,267,696 | Dec. 23, 1941 | H.J. Siekmann, W.F. Groene | Blacklash Eliminator for Orbital Lathes | metalworking machine mechanisms |
| 2,268,200 | Dec. 30, 1941 | W.F. Groene | Crank Shaft Lathe | crankshaft lathes |
| 2,269,368 | Jan. 06, 1942 | H.J. Siekmann, W.F. Groene | Hydraulic Feeding Mechanism | metalworking machine mechanisms |
| 2,269,908 | Jan. 13, 1942 | H.J. Siekmann, W.F. Groene | Multiple Spindle Indexing Crankshaft Lathe | crankshaft lathes |
| 2,280,229 | Apr. 21, 1942 | H.J. Siekmann, W.F. Groene | Multiple Spindle Broaching Lathe | crankshaft lathes |
| 2,285,771 | Jun. 09, 1942 | W.F. Groene | Tool Holder for Lathes | lathe tool holders and tool posts |
| 2,285,772 | Jun. 09, 1942 | W.F. Groene, H.J. Siekmann | Method of machining crankshafts | crankshaft lathes |
| 2,290,324 | Jul. 21, 1942 | W.F. Groene, H.J. Siekmann | Method of machining crankshafts | crankshaft lathes |
| RE22,174 | Sep. 08, 1942 | W.R. Meyer, W.F. Groene | Broaching Lathe | metal lathes |
| 2,295,079 | Sep. 08, 1942 | G.W. Luning, W.F. Groene | Feed and Rapid Traverse Mechanism | metalworking machine mechanisms |
