| 7202615 |
Tubular linear synchronous motor control for elevator doors |
Nigel Morris, Christophe Durand, Levent Gosterisli, Pascal Rebillard, Vlad Zaharia |
2007-04-10 |
$43,376,000 |
| 6943508 |
Tubular linear synchronous motor control for elevator doors |
Nigel Morris, Christophe Durand, Levent Gosterisli, Pascal Rebillard, Vlad Zaharia |
2005-09-13 |
$19,496,000 |
| 6435314 |
Elevator platform stabilization coupler |
Joseph Bledsoe, Richard C. McCarthy, Chris Singarella |
2002-08-20 |
$35,711,000 |
| 6431325 |
Acceleration control system utilizing elevator platform stabilization coupler |
Joseph Bledsoe, Richard C. McCarthy, Chris Singarella |
2002-08-13 |
$229,978,000 |
| 6305502 |
Elevator cab floor acceleration control system |
Thomas Malone |
2001-10-23 |
$39,399,000 |
| 5929399 |
Automatic open loop force gain control of magnetic actuators for elevator active suspension |
Eric K. Jamieson, Daniel S. Williams |
1999-07-27 |
$18,391,000 |
| 5880414 |
Elevator door brake, brake, lock, and hold-open |
Jerome F. Jaminet, Thomas M. Kowalczyk, Frank Guliuzza, Jr., Edward E. Ahigian, Richard E. Kulak +3 more |
1999-03-09 |
$22,278,000 |
| 5864102 |
Dual magnet controller for an elevator active roller guide |
Eric K. Jamieson, Daniel S. Williams |
1999-01-26 |
$17,469,000 |
| 5808246 |
Triac drive for three-phase line-powered linear induction motor elevator door operator |
Richard E. Peruggi, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Thomas M. Kowalczyk +3 more |
1998-09-15 |
$6,891,000 |
| 5736693 |
Elevator door drive using dual secondary linear induction motor |
Zbigniew Piech, Jerome F. Jaminet, Thomas M. Kowalczyk, Edward E. Ahigian, Richard E. Kulak +3 more |
1998-04-07 |
$14,131,000 |
| 5732796 |
Elevator car evacuation deterrent device |
Edward E. Ahigian, David W. Barrett, Thomas M. McHugh, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1998-03-31 |
$17,285,000 |
| 5682023 |
Time-optimal control of an AC line-driven linear motor elevator door operator |
Thomas M. McHugh, Richard E. Peruggi, Edward E. Ahigian, Jerome F. Jaminet, Thomas M. Kowalczyk +2 more |
1997-10-28 |
$11,835,000 |
| 5669465 |
Elevator hoistway door bolt lock |
Richard E. Kulak, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1997-09-23 |
$16,948,000 |
| 5668355 |
Elevator cab door drive system |
Jerome F. Jaminet, Thomas M. Kowalczyk, Edward E. Ahigian, Thomas M. McHugh, Richard E. Peruggi +2 more |
1997-09-16 |
$18,140,000 |
| 5651428 |
Stationary actuator moving vane elevator car door coupling |
Edward E. Ahigian, David W. Barrett, Thomas M. McHugh, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1997-07-29 |
$12,363,000 |
| 5651427 |
Elevator door coupling and hold-close apparatus |
Richard E. Kulak, Edward E. Ahigian, Thomas M. McHugh, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1997-07-29 |
$12,363,000 |
| 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 |
$12,269,000 |
| 5538106 |
Rotationally stiff elevator car door coupling |
Thomas M. McHugh, Thomas M. Kowalczyk, Richard E. Kulak, Edward E. Ahigian, Jerome F. Jaminet +2 more |
1996-07-23 |
$11,833,000 |
| 5509504 |
Velocity regulated, open current loop, variable voltage, variable frequency, linear induction motor drive for an elevator car door |
Thomas M. McHugh, David W. Barrett, Edward E. Ahigian, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1996-04-23 |
$8,851,000 |
| 5503248 |
Maintaining open loop current drive to linear induction motor |
Richard E. Peruggi, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Thomas M. Kowalczyk +2 more |
1996-04-02 |
$11,979,000 |
| 5495918 |
Smooth and quiet linear induction motor elevator door operation |
Richard E. Peruggi, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Thomas M. Kowalczyk +2 more |
1996-03-05 |
$8,675,000 |
| 5494137 |
Elevator door mounting system |
Thomas M. Kowalczyk, Jerome F. Jaminet, Thomas M. McHugh, Edward E. Ahigian, Richard E. Peruggi +2 more |
1996-02-27 |
$26,823,000 |
| 5487449 |
Magnetic elevator door coupling |
David W. Barrett, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1996-01-30 |
$11,690,000 |
| 5485896 |
Rotary elevator car door coupling |
Thomas M. Kowalczyk, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1996-01-23 |
$5,072,000 |
| 5454447 |
Elevator hoistway door bolt lock |
Richard E. Kulak, Thomas M. McHugh, Edward E. Ahigian, Jerome F. Jaminet, Richard E. Peruggi +2 more |
1995-10-03 |
$6,134,000 |