RR

Randall Keith Roberts

OE Otis Elevator: 7 patents #15 of 260Top 6%
Overall (2019): #16,847 of 560,194Top 4%
7
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
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
10399821 Vibration-based elevator tension member wear and life monitoring system 2019-09-03
10399820 Elevator tension member stiffness estimation and monitoring YiSug Kwon, David Wayne Mckee, Richard L. Hollowell 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