| Patents for Harold J. Siekmann |
Patents 1 -
15
of 64
      |
| Number | Title | Classification(s) |
| 1,744,885 | Machine Tool | 74/422, 82/106, 82/117, 82/133, 82/138 |
| RE18,662 | Machine Tool | 82/106, 82/109 |
| 1,993,994 | Orbital Lathe | 82/106 |
| 1,993,995 | Orbital Lathe | 82/106 |
| 2,110,266 | Crankshaft Lathe | 269/267, 82/109 |
| 2,113,509 | Crankshaft Chuck | 269/267, 82/109 |
| 2,124,348 | Hydraulic Lathe Transmission | 82/11.5, 82/117 |
| 2,148,326 | Combined Clutch and Brake Device | 188/292, 192/12R, 192/216 |
| 2,148,348 | Turret lathe | 173/19, 173/44, 29/42, 29/65, 82/1.11, 82/133, 82/137, 82/153, 82/156, 91/355, 91/459 |
| 2,148,349 | Orbital Lathe Feed Mechanism | 82/106 |
| 2,156,153 | Multiple Spindle Vertical Crankshaft Lathe | 29/38E, 29/DIG.77, 82/106, 82/901 |
| 2,191,347 | Crankshaft lathe | 82/106 |
| 2,192,436 | Center drive double end turret lathe | 29/36, 29/47 |
| 2,192,437 | Spindle control mechanism | 192/142R, 451/398, 82/146 |
| 2,221,049 | Work Loading Mechanism for Lathes | 82/106, 82/173 |
