Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682023 | Time-optimal control of an AC line-driven linear motor elevator door operator | Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Thomas He, Thomas M. Kowalczyk +2 more | 1997-10-28 |
| 5669465 | Elevator hoistway door bolt lock | Richard E. Kulak, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Thomas He +2 more | 1997-09-23 |
| 5668355 | Elevator cab door drive system | Jerome F. Jaminet, Thomas M. Kowalczyk, Edward E. Ahigian, Thomas M. McHugh, Thomas He +2 more | 1997-09-16 |
| 5651427 | Elevator door coupling and hold-close apparatus | Richard E. Kulak, Edward E. Ahigian, Thomas M. McHugh, Jerome F. Jaminet, Thomas He +2 more | 1997-07-29 |
| 5651428 | Stationary actuator moving vane elevator car door coupling | Edward E. Ahigian, David W. Barrett, Thomas M. McHugh, Jerome F. Jaminet, Thomas He +2 more | 1997-07-29 |
| 5612518 | Linear induction motor door drive assembly for elevators | Jerome F. Jaminet, Zbigniew Piech, Frank Guliuzza, Jr., Thomas M. McHugh, Edward E. Ahigian +4 more | 1997-03-18 |