Inventor

FARGO RICHARD N

US80 patents

⚠️ This page may combine multiple inventors who share the name “FARGO RICHARD N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FARGO RICHARD N

OTIS ELEVATOR CO

Elevator rescue system

Elevator rescue system

Method for generating velocity profiles for elevator car doors

Acceleration damping of elevator resonant modes and hydraulic elevator pump leakage compensation

Elevator system with counter-rotating drive sheaves

Hydraulic elevator muffler

Escalator drive mechanism with failure detection and backup

System and method for monitoring wire ropes

Elevator cord health monitoring

Elevator component separation assurance system and method of operation

Remote storage and reset of elevator overspeed switch

Pulse-free escalator

Connector for inspection system of elevator tension member

Passenger conveyor drive module arrangement

Dispatching algorithm for piston-type passenger conveying system

Hold closed feature for elevator car doors

Method for generating and scaling velocity profiles for elevator car doors

Hydraulic elevator pressure relief valve

Hydraulic elevator control

Hydraulic elevator control valve

Continuous monitoring of rail and ride quality of elevator system

Tension member for elevator system

Enhanced deceleration propulsion system for elevators

Systems and methods for determining field orientation of magnetic components in a ropeless elevator system

Step attachment on the step chain of an escalator

System including structurally independent elevator machine guiderail mounts

Elevator structure mounting system having horizontal member for reducing building loads at top of hoistway

Piston-type passenger conveying system

Elevator machine with counter-rotating rotors

Safety brake configuration for elevator application

Detection and control system for elevator operations

Optimization of magnetizing current in linear induction motors

Hydraulic elevator control valve

Secondary positioning system for elevator car doors

Enhanced deceleration propulsion system for elevators

FARGO RICHARD N

Permanent magnet elevator disk brake

Resistance-based monitoring system and method

Simplified resistance based belt inspection

Energy savings with optimized motion profiles

Elevator system with multiple cars in a hoistway

Frictional damper for reducing elevator car movement

Moving skirt mechanism for chain driven passenger conveyors

Elevator load bearing member

Elevator system including a 4:1 roping arrangement

HONEYWELL INC

Three-way solenoid valve

Two-stage solenoid valve

ROBERTS RANDALL KEITH

Rope sway mitigation via rope tension adjustment

(unassigned)

Elevator machine with counter-rotating rotors

TERRY HAROLD

Elevator braking system

PIECH ZBIGNIEW

Sheet metal guide rail for an elevator system