Randall Keith Roberts — 36 Patents at Otis Elevator

Randall Keith Roberts has been granted 36 US patents while listed as an inventor at Otis Elevator. The first was granted in 1994 and the most recent in December 2020. Randall Keith Roberts ranks #92,222 of 4,157,543 US inventors in our database (top 2.2%). Patent records list Randall Keith Roberts in Hebron, CT, US.

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #	Title	Co-Inventors	Date
10865071	Configurable multicar elevator system	Zbigniew Piech, Adam Marian Myszkowski, Cezary Jedryczka, Wojciech Szelag, Tadeusz Pawel Witczak +3 more	2020-12-15
10689228	Elevator system evaluation device	—	2020-06-23
10538412	Brake operation management in elevators	Amir Lotfi, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra, Dennis Hanvey +1 more	2020-01-21
10532908	Thrust and moment control system for controlling linear motor alignment in an elevator system	David Ginsberg, Konda Reddy Chevva, Walter Thomas Schmidt	2020-01-14
10472206	Sensor failure detection and fusion system for a multi-car ropeless elevator system	David Ginsberg, Walter Thomas Schmidt, Konda Reddy Chevva	2019-11-12
10421642	Elevator component separation assurance system and method of operation	Richard N. Fargo, David Ginsberg	2019-09-24
10407275	Detection and control system for elevator operations	Yehia F. Khalil, Richard N. Fargo, Randall S. Dube, Gary L Nuschler, Peter DePaola +5 more	2019-09-10
10399820	Elevator tension member stiffness estimation and monitoring	YiSug Kwon, David Wayne Mckee, Richard L. Hollowell	2019-09-03
10399821	Vibration-based elevator tension member wear and life monitoring system	—	2019-09-03
10294074	Elevator recovery car	Mark Olthuis, Xiaodong Luo, Zbigniew Piech, Tadeusz Pawel Witczak	2019-05-21
10252879	Brake operation management in elevators	Amir Lotfi, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra, Dennis Hanvey +1 more	2019-04-09
10118802	Structural health monitoring of an escalator drive system	Soumitra Borthakur	2018-11-06
10099894	Active damping of a hovering elevator car based on vertical oscillation of the hovering elevator car	Amir Lotfi, Ismail Agirman	2018-10-16
10035684	Elevator component separation assurance system and method of operation	Richard N. Fargo, David Ginsberg	2018-07-31
9975735	Cab isolation of an elevator car	Richard N. Fargo, Walter Thomas Schmidt, YiSug Kwon	2018-05-22
9914619	Elevator rope sway mitigation	George Scott Copeland, Theresa M. Christy	2018-03-13
9840395	Multi-drive thrust manager for elevator control	David Ginsberg, Konda Reddy Chevva, Walter Thomas Schmidt	2017-12-12
9546073	Rope sway mitigation through control of access to elevators	George Scott Copeland	2017-01-17
9359172	Elevator rope sway detection and damping	Richard J. Mangini	2016-06-07
9321610	Frictional damper for reducing elevator car movement	Richard N. Fargo, Daniel S. Young, Jason Kyle Romain, Harold Terry, Leandre Adifon	2016-04-26
9038783	Rope sway mitigation via rope tension adjustment	Mark R. Gurvich, Richard N. Fargo	2015-05-26
9010499	Multi-car elevator hoistway separation assurance	Richard C. McCarthy, Richard E. Peruggi, Greg A. Schienda, Harold Terry, Gilbert W. Wierschke	2015-04-21
8746411	Elevator car positioning including gain adjustment based upon whether a vibration damper is activated	Leandre Adifon	2014-06-10
8459415	Elevator motion profile control including non-instantaneous transition between jerk values	YiSug Kwon, Daryl J. Marvin, Steven D. Coste	2013-06-11
8360209	Dynamic compensation during elevator car re-leveling	—	2013-01-29

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Randall Keith Roberts — 36 Patents

Issued Patents All Time

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