The following products are protected by patents. This webpage is provided to satisfy the virtual patent marking provisions of the America Invents Act.

Magnetek Patents

The following list of Magnetek, Inc. products may not be all-inclusive, and other Magnetek, Inc. products not listed below may be protected by one or more patents.

Product: Pulsed Pre-Torque (PPT™)
Method and Apparatus for Controlling Motion in a Counterbalancing System
Patent No. 9,973,114

Product: IMPULSE®•G+/VG+, Load Check II
System and Method for Determining a Load in a Material Handling System
Patent No. 9,950,908

Product: IMPULSE®• VG+, Bucket Control
Method and Apparatus for Controlling a Bucket Hoist
Patent No. 9,650,231

Product: IMPULSE®•G+/VG+, Load Check II
Method and Apparatus for Measuring a Load in a Material Handling System
Patent No. 9,182,270

Product: Enrange™ MHR Radio Controller
System for Control of Mobile Hydraulic Equipment
Patent No. 9,152,152

Product: HPV® 900AF Elevator Drive
Method and Apparatus for Determining Position for a Permanent Magnet Elevator Motor
Patent No. 9,093,937

Product: IMPULSE®• VG+
Method and Apparatus for Calibrating and Testing Brake Holding Torque
Patent No. 8,686,670

Product: IMPULSE®•VG+
Method and Apparatus for Load Dependent Speed Control of a Motor
Patent No. 8,669,724

Product: Enrange™ MHR Radio Controller
System for Control of Mobile Hydraulic Equipment 
Patent No. 8,554,378

Product: IMPULSE®•VG+ 
Hoist System with an Electronic Programmable Limit Switch 
Patent No. 8,401,814

Product: OmniPulse™ DDC Digital DC Drive
Device and Method for Measuring and Controlling the Speed and Torque of a DC Motor
Patent No. 8,198,837

Product: IMPULSE®•VG+
System and Method for Detecting a Discontinuity in a Mechanical Drive Train
Patent No. 7,841,583

Product: OmniPulse™ DDC
Method and Apparatus for Determining Actual Reactive Capability Curves 
Patent No. 7,190,149 

Product: IMPULSE®•VG+, Static Stepless Simulation
Method of Controlling an Overhead Bridge Crane Utilizing a Hydraulic Foot Pedal Operated Brake and a Variable Frequency Flux Vector Drive 
Patent No. 7,190,146

Product: IMPULSE®•VG+, Drive Sync
Multiple Hoist Synchronization Apparatus and Method 
Patent No. 6,956,339

Product: IMPULSE®•VG+, Bucket Control
Method and Apparatus for Controlling a Bucket Hoist Using a Flux Vector A/C Drive
Patent No. 6,653,804

Product: IMPULSE®•VG+, Drive Sync
System and Method for Synchronizing Multiple Hoist Motors
Patent No. 6,598,859

Product: ELECTROBAR® Finger Safe
Anchor Assembly for Electrified Conductor Bar 
Patent No. 6,588,713

Thermal Cooling Cabinet and System for a Power Converter
Patent App. 12/394,515


Columbus McKinnon Patents

The following list of Columbus McKinnon patents may not be all-inclusive. 

Pressure-Resistant Housing (Druckfestes Gehäuse)
Patent No. CA 2,831,810 (Canada)

Scalable Hysteresis Clutch  (Skalierbare Hysteresekupplung) 
Patent No. 10 2018 101 765 (Germany)

Explosion-proof cross-type limit switch (Kreuzendschalter)
Patent Number 10,192,692

Safety Latch for a Hook
Patent No: 11,390,493


STAHL CraneSystem Patents

The following list of STAHL CraneSystems GmbH patents may not be all-inclusive.

Druckfestes Gehäuse (Flame-Proof Housing; Pressure-Resistant Housing)

Patent No. DE 10 2011 001 723 (Germany)

Patent No. US 8,987,592 (USA)

Patent No. EP 2 695 257 (European Patent)

Patent No. CA 2 831 810 (Canada)

Patent No. CN 103534886 (China)

Patent No. RU 2 593 837 (Russia)

Kreuzendschalter (Explosion-proof cross-type limit switch)

Patent No. DE 10 2014 102 403 (Germany)

Patent No. US 10,192,692 (USA)

Patent No. CN 103170839 (China)

Hebezeug mit erweitertem Lastbereich (Hoisting Device with Extended Load Range)

Patent No. US 8,157,113 (USA)

Patent No. CN 101535169 (China)

Patent No. RU 2 460 685 (Russia)

Grant No. 294644 (India)

Vereinfachte Katze mit niedriger Bauhöhe (Simplified Trolley with low building height)

Patent No. DE 10 2004 021 708 (Germany)

Anordnung aus einem Drehzahlwandlergetriebe und wenigstens einem Fliehkraftschalter, Hebezeug mit einer solchen Anordnung sowie Verfahren zur Prüfung eines Fliehkraftschalters (Assembly consisting of a variable speed transmission and at least one centrifugal force switch, lifting device comprising such an assembly, and method for checking a centrifugal force switch)

Patent No. DE 10 2016 116 980 (Germany)

Träger in Segmentbauweise (Support of Segmented Structural Design)

Patent No. DE 10 2017 102 372 (Germany)

Skalierbare Hysteresekupplung (Scalable Hysteresis Clutch)

Patent No. DE 10 2018 101 765 (Germany)