Inventor · Glastonbury, CT, US

Richard E. Peruggi

28Patents
11h-index
31Co-inventors
75Inventor score

Filing activity: Jul 24, 1978 → Jun 7, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US7575099B2 Remotely resettable ropeless emergency stopping device for an elevator Performing Operations; Transporting 41 Expired
US5373120A Linear door motor system for elevators Physics 28 Expired
US4186381A Gasoline station registration and control system Performing Operations; Transporting 24 Expired
US5651428A Stationary actuator moving vane elevator car door coupling Performing Operations; Transporting 18 Expired
US5732796A Elevator car evacuation deterrent device Performing Operations; Transporting 17 Expired
US5651427A Elevator door coupling and hold-close apparatus Performing Operations; Transporting 15 Expired
US5538106A Rotationally stiff elevator car door coupling Performing Operations; Transporting 14 Expired
US5736693A Elevator door drive using dual secondary linear induction motor Fixed Constructions 14 Expired
US5509504A Velocity regulated, open current loop, variable voltage, variable frequency, linear induction motor drive for an elevator car door Physics 12 Expired
US5487449A Magnetic elevator door coupling Performing Operations; Transporting 11 Expired
US5612518A Linear induction motor door drive assembly for elevators Performing Operations; Transporting 11 Expired
US5503248A Maintaining open loop current drive to linear induction motor Fixed Constructions 11 Expired
US5454447A Elevator hoistway door bolt lock Performing Operations; Transporting 10 Expired
US5668355A Elevator cab door drive system Performing Operations; Transporting 10 Expired
US5495918A Smooth and quiet linear induction motor elevator door operation Performing Operations; Transporting 10 Expired
US5816368A Elevator cars switch hoistways while traveling vertically Performing Operations; Transporting 9 Expired
US5857545A Elevator system with overlapped roped-coupler segments Performing Operations; Transporting 8 Expired
US5808246A Triac drive for three-phase line-powered linear induction motor elevator door operator Electricity 8 Expired
US9010499B2 Multi-car elevator hoistway separation assurance Performing Operations; Transporting 8 Active
US5669465A Elevator hoistway door bolt lock Performing Operations; Transporting 5 Expired
US5682023A Time-optimal control of an AC line-driven linear motor elevator door operator Physics 5 Expired
US5485896A Rotary elevator car door coupling Performing Operations; Transporting 3 Expired
US6578673B2 Concrete elevator rail and guidance system Fixed Constructions 3 Expired
US5494137A Elevator door mounting system Fixed Constructions 3 Expired
US6038980A Transferring freight or passenger cabs between moving bogies Performing Operations; Transporting 2 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.