Inventor
FREITAG HOLGER
DE15 patents
⚠️ This page may combine multiple inventors who share the name “FREITAG HOLGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEMAG CRANES & COMPONENTS GMBH
7 patentsUS6972385B2Dec 6, 2005
Operating device for manual actuation of hoisting equipment
DEMAG CRANES & COMPONENTS GMBH17 citations82
US9643322B2May 9, 2017
Control method for a balancing lifting gear and balancing lifting gear
DEMAG CRANES & COMPONENTS GMBH5 citations70
US7504602B2Mar 17, 2009
Suspended control device
DEMAG CRANES & COMPONENTS GMBH3 citations61
US7422542B2Sep 9, 2008
Method of monitoring a chain pulley block and chain pulley block apparatus
DEMAG CRANES & COMPONENTS GMBH2 citations61
US7068009B2Jun 27, 2006
Drive arrangement, especially for a lifting mechanism and/or a traveling drive
DEMAG CRANES & COMPONENTS GMBH3 citations60
US7497303B2Mar 3, 2009
Method for setting the parameters of motor control systems of hoisting equipment
DEMAG CRANES & COMPONENTS GMBH2 citations58
US7126307B2Oct 24, 2006
Interface circuit for actuating an electrical device and circuit arrangement for actuating an electric motor therewith
DEMAG CRANES & COMPONENTS GMBH0 citations50
KONECRANES GLOBAL CORP
4 patentsUSD875690SFeb 18, 2020
Control switch
KONECRANES GLOBAL CORP6 citations80
US10202264B2Feb 12, 2019
Cable winch
KONECRANES GLOBAL CORP3 citations72
US11208301B2Dec 28, 2021
Control switch, control system and method for operating a crane
KONECRANES GLOBAL CORP3 citations69
US12441590B2Oct 14, 2025
Method for controlling a load-handling crane, and load-handling crane
KONECRANES GLOBAL CORP0 citations39
MANNESMANN AG
3 patentsUS5818185AOct 6, 1998
Process and device for monitoring and controlling the speed of rotation of an electric drive with frequency converter for hoisting gears
MANNESMANN AG28 citations92
US5632469AMay 27, 1997
Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing
MANNESMANN AG42 citations92
US5813124ASep 29, 1998
Angle measuring device
MANNESMANN AG17 citations83