Witczak; Tadeusz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witczak; Tadeusz.The latest application filed is for "configurable multicar elevator system".
- Witczak; Tadeusz - Bethel CT
- Witczak; Tadeusz - Farmington CT
- Witczak; Tadeusz - Lodz PL
| Patent | Date |
|---|---|
| Configurable multicar elevator system Grant 10,865,071 - Roberts , et al. December 15, 2 | 2020-12-15 |
| Emergency safety actuator for an elevator Grant 10,781,075 - Witczak , et al. Sept | 2020-09-22 |
| Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone Grant 10,752,466 - Jedryczka , et al. A | 2020-08-25 |
| Ropeless elevator system Grant 10,246,298 - Piech , et al. | 2019-04-02 |
| Elevator system assigning cars to floor groups Grant 10,196,233 - Witczak , et al. Fe | 2019-02-05 |
| Connecting cars in a multicar elevator system Grant 10,059,566 - Witczak , et al. August 28, 2 | 2018-08-28 |
| Configurable Multicar Elevator System App 20180044138 - Roberts; Randall Keith ; et al. | 2018-02-15 |
| Ropeless high-rise elevator installation approach Grant 9,884,744 - Witczak , et al. February 6, 2 | 2018-02-06 |
| Vehicle And Method For Elevator System Installation App 20180029832 - Fargo; Richard N. ; et al. | 2018-02-01 |
| Transfer Station For A Ropeless Elevator System With Redundancy Of Subcomponents And Parking Zone App 20180009636 - Jedryczka; Cezary ; et al. | 2018-01-11 |
| Transfer Station And Car Disengagement Mechanism For A Ropeless Elevator System App 20170362061 - Witczak; Tadeusz ; et al. | 2017-12-21 |
| High Speed Ropeless Elevator With Different Number Of Hoistways Up And Down In A Group App 20160304316 - Witczak; Tadeusz ; et al. | 2016-10-20 |
| Ropeless High-rise Elevator Installation Approach App 20160304317 - Witczak; Tadeusz ; et al. | 2016-10-20 |
| Ropeless Elevator System App 20160297646 - PIECH; Zbigniew ; et al. | 2016-10-13 |
| Destination Assignment And Variable Capabilities In Elevator Groups App 20160297640 - Witczak; Tadeusz ; et al. | 2016-10-13 |
| Stator Reduction In Ropeless Elevator Transfer Station App 20160297648 - Witczak; Tadeusz ; et al. | 2016-10-13 |
| Emergency Safety Actuator For An Elevator App 20160236904 - Witczak; Tadeusz ; et al. | 2016-08-18 |
| Connecting Cars In A Multicar Elevator System App 20160075534 - Witczak; Tadeusz ; et al. | 2016-03-17 |
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