Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415706 | Electrical monitoring connector for an elevator hoisting member | Jordan Strother | 2025-09-16 |
| 11198591 | Real-time rope/cable/belt sway monitoring system for elevator application | Jie Xu, Stephen D. Allen, Peter Feldhusen, Frank Dudde, Alan M. Parker | 2021-12-14 |
| 10549953 | Elevator belt position tracking system | Peter F. Feldhusen | 2020-02-04 |
| 9988240 | Elevator with master controller | John Keith Anderson, Frank Dudde, Peter Feldhusen, Jie Xu, Alan M. Parker +2 more | 2018-06-05 |
| 6923065 | Apparatus for testing aramid fiber elevator cables | Rory Smith, Robert Sweet, James Nickerson, Randall Parrish | 2005-08-02 |
| 6854566 | Contactless push button switch comprising a hall effect transducer and microprocessor | Robert Sweet, James Nickerson | 2005-02-15 |
| 6612404 | Contactless hall effect push button switch | Robert Sweet, James Nickerson | 2003-09-02 |