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2025
|
P/S
|
Wire hoists. |
|
|
P/S
|
Wire hoists. |
|
|
P/S
|
Wire hoists |
|
|
Invention
|
Direction based remote control of a material handling system.
A radio controller includes a sens... |
|
2023
|
P/S
|
electronic control systems for overhead cranes |
|
|
Invention
|
Dynamic maximum frequency in a slow-down region for a material handling system. A motor controlle... |
|
2022
|
Invention
|
System and method of increasing resolution of position feedback for motor control. A motor drive ... |
|
|
Invention
|
System and method of detecting a dragging brake in an elevator application. A system and method f... |
|
|
P/S
|
variable frequency drives for motors, other than for land vehicles, namely, variable frequency dr... |
|
2021
|
Invention
|
Method and apparatus for low dc bus voltage ride through. A method and system to prevent unexpect... |
|
|
P/S
|
Radio remote control for use in mobile hydraulic and crane and hoist applications. |
|
2020
|
P/S
|
Radio remote controls for operating mobile hydraulic equipment mounted on trucks or vehicles; |
|
|
P/S
|
Wireless remote controllers for cranes and hoists. |
|
|
P/S
|
Radio remote controls for mobile hydraulic equipment |
|
|
P/S
|
Electronic control systems for overhead cranes |
|
|
P/S
|
Configurable electronic control system for overhead cranes |
|
|
P/S
|
Radio remote controls for operating cranes; radio remote controls for operating hoists; radio rem... |
|
|
P/S
|
Variable frequency drives, wire rope hoists, and chain hoists operating overhead cranes to provid... |
|
|
P/S
|
Radio remote controls for operating agricultural and industrial mobile hydraulic machinery and de... |
|
|
P/S
|
configurable electronic control system for overhead cranes |
|
2019
|
P/S
|
bridge cranes and overhead conveyor trolleys, namely, an enclosed track automated workstation crane |
|
2017
|
P/S
|
EMBEDDED FIRMWARE FOR ELECTRIC AND ELECTRONIC CONTROL SYSTEMS FOR MOTORS, SPECIFICALLY EMBEDDED F... |
|
|
Invention
|
System and method for determining a load in a material handling system. A system and method for d... |
|
|
P/S
|
bridge cranes and overhead conveyor trolleys, and parts thereof |
|
|
Invention
|
Method and apparatus for controlling motion in a counterbalancing system. A method and system for... |
|
2016
|
P/S
|
fall protection equipment for fall restraint and fall arrest, namely, tracks, track anchor system... |
|
|
P/S
|
Wireless remote controllers for materials handling apparatus; wireless remote controllers for min... |
|
2015
|
P/S
|
Radio and electronic remote crane control apparatus and systems, namely, remote controls for cranes |
|
|
P/S
|
Remote controls for mobile hydraulic equipment, namely, radio and electronic remote controls for ... |
|
|
P/S
|
Electrical brake controllers |
|
2013
|
Invention
|
System for control of mobile hydraulic equipment. A controller for mobile hydraulic equipment inc... |
|
|
Invention
|
Method and apparatus for determining position for a permanent magnet elevator motor. A system for... |
|
|
Invention
|
Method and apparatus for controlling a bucket hoist. A control system for a bucket hoist includes... |
|
2012
|
P/S
|
Transceivers for receiving commands from a transmitter and sending messages out on a CANbus, and ... |
|
|
P/S
|
Handheld transmitters featuring a full graphic display and providing wireless and tethered two-wa... |
|
|
Invention
|
Method and apparatus for measuring a load in a material handling system. A system and method for ... |
|
|
P/S
|
Microprocessor based digital drives for use in industrial equipment |
|
2011
|
Invention
|
Method and apparatus for calibrating and testing brake holding torque. A system and method for de... |
|
|
P/S
|
AC/DC motor drives that are used to control industrial hoists, other industrial motors and small ... |
|
|
Invention
|
Method and apparatus for load dependent speed control of a motor. A variable speed power converte... |
|
2010
|
Invention
|
Method and apparatus for boosting dc bus voltage. A power converter includes at least two power c... |
|
|
P/S
|
AC variable frequency drives that are used to control small and medium-sized motors in applicatio... |
|
2009
|
Invention
|
Device and method for measuring and controlling the speed and torque of a dc motor. A DC motor co... |
|
|
P/S
|
Repair of industrial braking systems |
|
|
P/S
|
repair of drives and controllers |
|
|
P/S
|
AC elevator drives |
|
2008
|
Invention
|
Hoist system with an electronic programmable limit switch. An electronic limit switch software mo... |
|
2007
|
P/S
|
AC/DC motor drives that are used to control small and medium-sized motors in applications such mi... |
|
|
P/S
|
power converters and inverters |
|
2006
|
Invention
|
System and method for detecting a discontinuity in a mechanical drive train. Two incremental shaf... |
|
2004
|
P/S
|
Electrical AC/DC motor drives for use in electric motors for elevators, conveyer belts and the like |
|
2003
|
Invention
|
Control system and method for an overhead bridge crane. Included herein is a system and method fo... |
|
|
Invention
|
Multiple hoist synchronization apparatus and method. A hoist synchronization apparatus and method... |
|
2002
|
Invention
|
Anchor assembly for electrified conductor bar. The present invention provides an assembly (10) fo... |
|
|
Invention
|
Snap-in assembly for multiple high current conductive lines. The present invention provides an as... |
|
|
Invention
|
Anchor assembly for electrified conductor bar. The present invention provides an assembly for att... |
|
2001
|
P/S
|
Inverters and power inverters; uninterruptible power supplies; power supplies; analog power suppl... |
|
|
P/S
|
Electrical brake controllers. |
|
|
Invention
|
Method and apparatus for controlling a bucket hoist using a flux vector ac drive. A dual hoist bu... |
|
|
Invention
|
Reversible dc motor drive including a dc/dc converter and four quadrant dc/dc controller. A rever... |
|
2000
|
Invention
|
Electronic ballast for one or more lamps. An electronic ballast apparatus for powering one or mor... |
|
1999
|
Invention
|
Safety control circuit for detecting the removal of lamps from a ballast and reducing the through... |
|
|
Invention
|
Method and apparatus for holding a capacitor without separable fasteners. A capacitor holder for ... |
|
1998
|
Invention
|
Dual buck converter with coupled inductors. This invention relates to a dual buck converter used ... |
|
|
Invention
|
Universal arm and mounting block for a current collector. A current collector assembly for positi... |
|
1997
|
Invention
|
Dc bus capacitor arrangement. A capacitor arrangement across a direct current bus provides a high... |
|
|
Invention
|
Bridge rectifier configuration and mounting for supplying exciter current in an ac generator. A r... |
|
1995
|
Invention
|
Maximal voltage three-phase pwm without third harmonic injection. An inverter control circuit inc... |
|
|
Invention
|
Power converter with ripple current and bulk filtering supplied by high-current, high-microfarad ... |
|
1993
|
Invention
|
Transmitting measured parameters from a transducer. A magnetostrictive liquid level transducer (1... |
|
|
Invention
|
Magnetostrictive linear position detector with axial coil torsional strain transducer. A magnetos... |
|
|
Invention
|
Rejecting noise in magnetostrictive position detector by determining valid time range for propaga... |
|
1991
|
Invention
|
Method and apparatus for controlling a walking beam pump. Method for controlling an electric driv... |
