Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RD

Randall S. Dube — 19 Patents

OEOtis Elevator: 19 patents #67 of 1,840Top 4%
Glastonbury, CT: #75 of 684 inventorsTop 15%
Connecticut: #2,159 of 34,797 inventorsTop 7%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Randall S. Dube has been granted 19 US patents while listed as an inventor at Otis Elevator. The first was granted in 2012 and the most recent in January 2023. Randall S. Dube ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Randall S. Dube in Glastonbury, CT, US.

Patents per Year

Patents granted per year, 2012 to 2023Bar chart with a peak of 6 patents in 2021.peak 62012: 1 patents20122016: 2 patents20162018: 2 patents20182019: 4 patents20192020: 3 patents20202021: 6 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
11542122 Elevator overspeed governor with automatic reset Aayush Desai 2023-01-03
11155440 Elevator overspeed governor with automatic reset Aayush Desai 2021-10-26
11130655 Elevator car dynamic sag damping system Patricia Derwinski 2021-09-28
11046552 Method and system of reducing false actuation of safety brakes in elevator system Sandeep Sudi, Joseph Crute, Arthur T. Grondine, Daryl J. Marvin 2021-06-29
11040852 Elevator car control to address abnormal passenger behavior 2021-06-22
11034546 Elevator governor YiSug Kwon 2021-06-15
10968077 Enhanced governor system for elevator 2021-04-06
10822200 Elevator safety actuator systems 2020-11-03
10759631 Remote triggering device, overspeed governor assembly and elevator Zhengbao Shi, Yong Zhao, Min Wang 2020-09-01
10745245 Governor assembly and elevator Zhengbao Shi, Yong Zhao, Min Wang, Zhihuan Man, Ye Li 2020-08-18
10472209 Elevator overspeed governor with automatic reset Aayush Desai 2019-11-12
10407275 Detection and control system for elevator operations Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Gary L Nuschler, Peter DePaola +5 more 2019-09-10
10329120 Elevator overspeed governor 2019-06-25
10214385 Elevator brake wedge Scott Alan Eastman, Brad Guilani, Chen Zhao 2019-02-26
10112802 Elevator service person collision protection system 2018-10-30
9981826 Braking device for braking a hoisted object relative to a guide member Justin Billard, Daryl J. Marvin 2018-05-29
9517918 Car mounted overspeed governor actuation device Jeffrey Sepelak, Justin Billard 2016-12-13
9359173 Elevator governor having two tripping mechanisms on separate sheaves 2016-06-07
8136795 Centrifugally actuated governor 2012-03-20