Issued Patents All Time
Showing 25 most recent of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11866295 | Active braking for immediate stops | Prasanna Nagarajan, David Ginsberg, Shashank Krishnamurthy, Ronnie E. Thebeau | 2024-01-09 |
| 11848154 | Encapsulated components of electromechanical actuators for elevator systems | Justin Billard, Brad Guilani, Antonio Martins, Richard J. Marchetti | 2023-12-19 |
| 11649137 | Elevator sound systems | Laurent Coldre | 2023-05-16 |
| 11591188 | Elevator system roping arrangement | Benjamin J. Watson | 2023-02-28 |
| 11498802 | Elevator systems and methods of controlling elevators responsive to detected passenger states | Stella M. Oggianu | 2022-11-15 |
| 11117781 | Vertical bounce detection and mitigation | Marcin Wroblewski | 2021-09-14 |
| 11078045 | Electronic safety actuator for lifting a safety wedge of an elevator | Justin Billard, Erik Khzouz, Marcin Wroblewski | 2021-08-03 |
| 11053097 | Magnet assembly for an electronic safety brake actuator (ESBA) | Erik Khzouz, Justin Billard | 2021-07-06 |
| 11046552 | Method and system of reducing false actuation of safety brakes in elevator system | Sandeep Sudi, Joseph Crute, Arthur T. Grondine, Randall S. Dube | 2021-06-29 |
| 10927915 | Spring useful for elevator safety device | Enrico Manes, Robert A. Barth, Xiaodong Luo, Shihemn Chen, Michael A. Klecka +1 more | 2021-02-23 |
| 10906782 | Passive elevator car | Richard N. Fargo | 2021-02-02 |
| 10894695 | Device and method for actuating an elevator safety brake | Justin Billard | 2021-01-19 |
| 10781075 | Emergency safety actuator for an elevator | Tadeusz Pawel Witczak, Zbigniew Piech | 2020-09-22 |
| 10773922 | Drive and control for six-phase electrical machines with negligible common-mode voltage | Dong JIANG, Shashank Krishnamurthy | 2020-09-15 |
| 10745238 | Power distribution for multicar, ropeless elevator system | Shashank Krishnamurthy, Luis Arnedo | 2020-08-18 |
| 10654686 | Electromagnetic safety trigger | Guohong Hu | 2020-05-19 |
| 10618776 | Brake member actuation mechanism | Guohong Hu | 2020-04-14 |
| 10578639 | Hybrid altimeter for measuring vertical velocity | Craig Drew Bogli, Benjamin J. Watson, Arthur T. Grondine, Marcin Wroblewski | 2020-03-03 |
| 10494227 | Braking system resetting mechanism for a hoisted structure | Guohong Hu | 2019-12-03 |
| 10427908 | Emergency mode operation of elevator system having linear propulsion system | Shashank Krishnamurthy | 2019-10-01 |
| 10366935 | Architecture of drive unit employing gallium nitride switches | Shashank Krishnamurthy, Xin Wu, William A. Veronesi, Kyle W. Rogers | 2019-07-30 |
| 10268166 | Intelligent surface systems for building solutions | Tadeusz Pawel Witczak, Marcin Piech, Zbigniew Piech, Stella M. Oggianu | 2019-04-23 |
| 10246295 | Protective device for speed sensing device | Guohong Hu | 2019-04-02 |
| 10155640 | Elevator system using rescue storage device for increased power | Juergen Gewinner, Felix Benjamin Donath, Peter Herkel | 2018-12-18 |
| 10146189 | Safety chain circuit | Kyle W. Rogers | 2018-12-04 |