Kulak; Richard E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kulak; Richard E..The latest application filed is for "elevator car door interlock".
- Kulak; Richard E. - Niantic CT
- Kulak; Richard E. - Bristol CT
| Patent | Date |
|---|---|
| Car door interlock Grant 11,254,542 - Tracey , et al. February 22, 2 | 2022-02-22 |
| Elevator car door interlock Grant 11,247,872 - Tracey , et al. February 15, 2 | 2022-02-15 |
| Elevator Car Door Interlock App 20210380373 - Kulak; Richard E. ; et al. | 2021-12-09 |
| Elevator car door interlock Grant 11,124,389 - Kulak , et al. September 21, 2 | 2021-09-21 |
| Elevator Door Interlock Assembly App 20210261384 - TRACEY; Michael J. ; et al. | 2021-08-26 |
| Elevator door interlock assembly Grant 11,046,557 - Tracey , et al. June 29, 2 | 2021-06-29 |
| Elevator door interlock assembly Grant 11,040,858 - Kulak , et al. June 22, 2 | 2021-06-22 |
| Elevator door interlock assembly Grant 11,034,548 - Tracey , et al. June 15, 2 | 2021-06-15 |
| Elevator car door interlock Grant 10,882,720 - Kulak , et al. January 5, 2 | 2021-01-05 |
| Elevator Car Door Interlock App 20200262683 - Kulak; Richard E. ; et al. | 2020-08-20 |
| Car door interlock with sill lock Grant 10,710,843 - Kulak , et al. | 2020-07-14 |
| Monitoring System, Elevator Door System Having Monitoring System, And Method App 20200148508 - Kulak; Richard E. ; et al. | 2020-05-14 |
| Elevator Car Door Interlock App 20200122978 - Tracey; Michael J. ; et al. | 2020-04-23 |
| Monitoring system, elevator door system having monitoring system, and method Grant 10,569,994 - Kulak , et al. Feb | 2020-02-25 |
| Car Door Interlock App 20200055705 - Tracey; Michael J. ; et al. | 2020-02-20 |
| Alignment system for an elevator car Grant 10,486,940 - Witczak , et al. Nov | 2019-11-26 |
| Elevator Door Interlock Assembly App 20190337766 - TRACEY; Michael J. ; et al. | 2019-11-07 |
| Elevator Door Interlock Assembly App 20190337767 - TRACEY; Michael J. ; et al. | 2019-11-07 |
| Elevator Door Interlock Assembly App 20190337768 - Kulak; Richard E. ; et al. | 2019-11-07 |
| Elevator Car Door Interlock App 20180265334 - Kulak; Richard E. ; et al. | 2018-09-20 |
| Car Door Interlock With Sill Lock App 20180229972 - Kulak; Richard E. ; et al. | 2018-08-16 |
| Alignment System For An Elevator Car App 20170057784 - Witczak; Tadeusz Pawel ; et al. | 2017-03-02 |
| Monitoring System, Elevator Door System Having Monitoring System, And Method App 20170029246 - Kulak; Richard E. ; et al. | 2017-02-02 |
| Door coupler and latch system for elevator car and landing doors Grant 6,446,759 - Kulak , et al. September 10, 2 | 2002-09-10 |
| Rotary Actuated Overspeed Safety Device App 20010037920 - DRAPER, JAMES M. ; et al. | 2001-11-08 |
| High performance linear induction motor door operator Grant 5,862,887 - Swaybill , et al. January 26, 1 | 1999-01-26 |
| Elevator evacuation deterrent device Grant 5,819,877 - Rivera , et al. October 13, 1 | 1998-10-13 |
| Triac drive for three-phase line-powered linear induction motor elevator door operator Grant 5,808,246 - Peruggi , et al. September 15, 1 | 1998-09-15 |
| Time-optimal control of an AC line-driven linear motor elevator door operator Grant 5,682,023 - McHugh , et al. October 28, 1 | 1997-10-28 |
| Linear induction motor door drive assembly for elevators Grant 5,612,518 - Jaminet , et al. March 18, 1 | 1997-03-18 |
| Maintaining open loop current drive to linear induction motor Grant 5,503,248 - Peruggi , et al. April 2, 1 | 1996-04-02 |
| Smooth and quiet linear induction motor elevator door operation Grant 5,495,918 - Peruggi , et al. March 5, 1 | 1996-03-05 |
| Cammed wedge elevator car door coupling Grant 5,435,415 - Kulak , et al. July 25, 1 | 1995-07-25 |
| Elevator car door lock Grant 5,139,112 - Tonna , et al. August 18, 1 | 1992-08-18 |
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