Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10737906 | Elevator suspension and transmission strip | Frank Dudde, Peter Feldhusen, Gomaa G. Abdelsadek, Alan M. Parker, Jie Xu +1 more | 2020-08-11 |
| 9944493 | Elevator suspension and transmission strip | Frank Dudde, Peter Feldhusen, Gomaa G. Abdelsadek, Alan M. Parker, Jie Xu +1 more | 2018-04-17 |
| 9738491 | Hydraulic-boosted rail brake | Frank Dudde, Peter F. Feldhusen, William K. Delk, Jie Xu, Alan M. Parker +2 more | 2017-08-22 |
| 9652966 | Jumpers and methods of making and using same | Jimmy Xu, Keith Anderson, Peter F. Feldhusen, Alan M. Parker, Frank Dudde +2 more | 2017-05-16 |