TW

Tadeusz Pawel Witczak

OE Otis Elevator: 48 patents #7 of 1,840Top 1%
CA Carrier: 8 patents #240 of 2,507Top 10%
KI Kidde-Fenwal: 1 patents #10 of 37Top 30%
📍 Farmington, CT: #5 of 372 inventorsTop 2%
🗺 Connecticut: #357 of 34,797 inventorsTop 2%
Overall (All Time): #42,418 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
11464072 Synchronized mesh audio communications Marcin Piech, Lukasz Majchrzak, Dawid Milcarek 2022-10-04
11214466 Monitoring systems for passenger conveyors Craig Drew Bogli, Nikola Trcka, Philipp Schedl, Robert S. Takacs 2022-01-04
11203510 Electrohydraulic damper for elevator system Cezary Jedryczka, Wojciech Szelag, Adam Marian Myszkowski 2021-12-21
11174128 Elevator door control for deboarding passengers in multi-door elevators Arthur Hsu 2021-11-16
11153004 Conveyance system data transfer Stella M. Oggianu, Craig Drew Bogli, Pawel Skiba 2021-10-19
11146140 Universal electromagnetic machine Zbigniew Piech, Wojciech Szelag, Cezary Jedryczka, Stella M. Oggianu, Adam Marian Myszkowski 2021-10-12
11072515 Automated elevator maintenance mode initiation Michael J. Tracey 2021-07-27
11076338 Conveyance system data transfer Craig Drew Bogli 2021-07-27
10981752 Modular transfer station Richard J. Ericson, Bruce P. Swaybill, Richard Ivanic, Kevin Neville, Sven Swanson 2021-04-20
10976424 Automatic determination of position and orientation of elevator device entry terminals and hallway fixtures Craig Drew Bogli, Stella M. Oggianu 2021-04-13
10958123 Electromagnetic machine Stella M. Oggianu, Cezary Jedryczka, Wojciech Szelag, Adam Marian Myszkowski, Zbigniew Piech 2021-03-23
10910903 Dual rotor, coreless, electromagnetic machine Cezary Jedryczka, Wojciech Szelag, Stella M. Oggianu, Zbigniew Piech 2021-02-02
10865071 Configurable multicar elevator system Randall Keith Roberts, Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag +3 more 2020-12-15
10825337 Autonomous commissioning and inspection of alarm systems Marcin Piech, Craig Drew Bogli, Stella M. Oggianu, Srinivasa Reddy Pilli, Vinay Kumar Vinnakota +1 more 2020-11-03
10827238 Elevator door sensor integrated with a long range communication gateway Craig Drew Bogli, Stella M. Oggianu 2020-11-03
10822199 Sensor fusion of acceleration sensor and air pressure sensor information to estimate elevator floor level and position Derk Oscar Pahlke, Craig Drew Bogli, Yrinee Michaelidis 2020-11-03
10781075 Emergency safety actuator for an elevator Daryl J. Marvin, Zbigniew Piech 2020-09-22
10752466 Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone Cezary Jedryczka, Adam Marian Myszkowski, Zbigniew Piech, Bruce P. Swaybill, Wojciech Szelag +2 more 2020-08-25
10745247 Elevator car guidance mechanism Richard N. Fargo, Enrico Manes, Zbigniew Piech, Bruce P. Swaybill, Richard J. Ericson +2 more 2020-08-18
10486940 Alignment system for an elevator car Bruce P. Swaybill, Zbigniew Piech, Richard J. Ericson, Richard E. Kulak 2019-11-26
10407275 Detection and control system for elevator operations Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Randall S. Dube, Gary L Nuschler +5 more 2019-09-10
10336577 Braking system for an elevator system Zbigniew Piech 2019-07-02
10294074 Elevator recovery car Mark Olthuis, Xiaodong Luo, Zbigniew Piech, Randall Keith Roberts 2019-05-21
10268166 Intelligent surface systems for building solutions Marcin Piech, Zbigniew Piech, Daryl J. Marvin, Stella M. Oggianu 2019-04-23
10246298 Ropeless elevator system Zbigniew Piech 2019-04-02