Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191521 | Advanced geometry of skew and straight bevel gears produced by forging | Xiangshun Zhao, John Sofia, Theresa Barrett | 2007-03-20 |
| 6205879 | Helical and spur gear drive with double crowned pinion tooth surfaces and conjugated gear tooth surfaces | Pin-Hao Feng, Sergey A Lagutin, Dennis P Townsend, Thomas M. Sep | 2001-03-27 |
| 6146253 | Apparatus and method for precision grinding face gear | Yih-Jen D. Chen, Gregory F. Heath, Vijay J. Sheth, Ningxin Chen | 2000-11-14 |
| 6128969 | Hybrid gear drive | Aleksandar Egelja, Inhwan Seol | 2000-10-10 |