Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ZP

Zbigniew Piech

OEOtis Elevator: 6 patents #10 of 232Top 5%
Cheshire, CT: #2 of 56 inventorsTop 4%
Connecticut: #152 of 3,763 inventorsTop 5%
Overall (2018): #15,938 of 503,207Top 4%
6 Patents 2018

Issued Patents 2018

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10118799 Multicar self-propelled elevator system 2018-11-06
10059566 Connecting cars in a multicar elevator system Tadeusz Pawel Witczak 2018-08-28
9950902 Stator structure for self-propelled elevator Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag 2018-04-24
9932204 Drive unit for multiphase permanent magnet synchronous motor Cezary Jedryczka, Wojciech Szelag 2018-04-03
9915307 Brake Adrian D. West, Daryl J. Marvin, Harold Terry 2018-03-13
9884744 Ropeless high-rise elevator installation approach Tadeusz Pawel Witczak, Martin J. Hardesty 2018-02-06