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

Richard Polacek — 11 Patents

OEOtis Elevator: 6 patents #262 of 1,840Top 15%
EAExcellon Automation: 3 patents #4 of 22Top 20%
Lomita, CA: #42 of 637 inventorsTop 7%
California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #473,549 of 4,157,543Top 15%
11 Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5799755 Linear motor transfer of cab horizontally between elevator and bogey platforms Samuel C. Wan, Richard W. Calcasola, Jack M. Thompson, Jr., Vlad Zaharia, Anthony Cooney +4 more 1998-09-01
5769768 Tool gripping apparatus Robert J. Watkinson 1998-06-23
5716310 Tool change apparatus Dennis M. Pumphrey, Robert J. Watkinson 1998-02-10
D389417 People mover cabin David Kaiser, Domenic G. Mercurio 1998-01-20
5702213 Retractable registration pin apparatus Dan Popovich 1997-12-30
5039832 Touch button light ring system Steven B. Davis, Jean Youla 1991-08-13
D318632 Call button indicator and wall plate for elevators Jean Youla 1991-07-30
D317136 Hall location direction panel for elevators John M. Kulikowski 1991-05-28
D317137 Hall location direction panel for elevators John M. Kulikowski, William A. Weirsman 1991-05-28
4706602 Solder coater board clamp 1987-11-17
4565480 Carousel pallet shuttle Edward Merk, George Delaney, Leon Wasynczuk, Richard Parks 1986-01-21