Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408857 | Method and apparatus for extrusion of gears | Alexander Bajraszewski | 1995-04-25 |
| 5325698 | Stepped extrusion die assembly | Vijay Nagpal, David H. Dodds | 1994-07-05 |
| 5295382 | Cold extrusion of externally toothed helical members | — | 1994-03-22 |
| 5275046 | Entrance contour design to streamline metal flow in a forging die | Vijay Nagpal, David H. Dodds | 1994-01-04 |
| 5230234 | Method of making roll-finished gears | — | 1993-07-27 |
| 4878370 | Cold extrusion process for internal helical gear teeth | Daniel W. Hall, John C. Schneider | 1989-11-07 |
| 4622842 | Die for extruding toothed helical members | Benjamin Bachrach, Daniel W. Hall, Gotz S. Hauser | 1986-11-18 |
| 4287749 | Tapered extrusion die and method of forming the same | Benjamin Bachrach | 1981-09-08 |