HF

Holger Freitag

DG Demag Cranes & Components Gmbh: 6 patents #8 of 72Top 15%
KG Konecranes Global: 3 patents #27 of 190Top 15%
MA Mannesmann Ag: 3 patents #166 of 1,341Top 15%
TG Terex Mhps Gmbh: 1 patents #11 of 39Top 30%
📍 Bochum, DE: #37 of 1,022 inventorsTop 4%
Overall (All Time): #346,079 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11208301 Control switch, control system and method for operating a crane Wolfgang Krebs, Thomas Lindenau, Frederick Woidneck, Marco Woldt, Giuliano Persico +1 more 2021-12-28
D875690 Control switch Wolfgang Krebs, Thomas Lindenau, Frederick Woidneck, Marco Woldt, Giuliano Persico +1 more 2020-02-18
10202264 Cable winch Oliver Moll, Giuliano Persico 2019-02-12
9643322 Control method for a balancing lifting gear and balancing lifting gear Giorgio Maccioni, Giuliano Persico 2017-05-09
9385523 Circuit arrangement having an emergency stop switch of a hoist Giorgio Maccioni, Giuliano Persico 2016-07-05
7504602 Suspended control device Michael Rohr, Udo Gersemsky, Wolfgang Krebs, Anton Munzebrock, Rudiger Ostholt +5 more 2009-03-17
7497303 Method for setting the parameters of motor control systems of hoisting equipment Giorgio Maccioni 2009-03-03
7422542 Method of monitoring a chain pulley block and chain pulley block apparatus Oliver Moll, Erik Appel, Ralf Eising, Udo Gersemsky, Burkhard Hasenack +2 more 2008-09-09
7126307 Interface circuit for actuating an electrical device and circuit arrangement for actuating an electric motor therewith Anton Munzebrock, Burkhard Hasenack, Giuliano Persico, Erik Appel 2006-10-24
7068009 Drive arrangement, especially for a lifting mechanism and/or a traveling drive Anton Munzebrock, Burkhard Hasenack, Giuliano Persico, Erik Appel 2006-06-27
6972385 Operating device for manual actuation of hoisting equipment Wolfgang Krebs, Anton Munzebrock, Burkhard Hasenack, Giuliano Persico, Erik Appel +1 more 2005-12-06
5818185 Process and device for monitoring and controlling the speed of rotation of an electric drive with frequency converter for hoisting gears Anton Munzebrock 1998-10-06
5813124 Angle measuring device 1998-09-29
5632469 Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing Jurgen Heun, Anton Muller, Anton Munzebrock 1997-05-27