Richard Polacek has been granted 11 US patents while listed as an inventor at Otis Elevator . The first was granted in 1986 and the most recent in September 1998. Richard Polacek ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Richard Polacek in Lomita, CA, US.
Patents per Year Patents granted per year, 1986 to 1998 Bar chart with a peak of 4 patents in 1991. peak 4 1986: 1 patents 1986 1987: 1 patents 1987 1991: 4 patents 1991 1997: 1 patents 1997 1998: 4 patents 1998
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
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
$12,083,000
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
$15,878,000
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