| 8575503 |
Operating device for manually actuating lifting devices |
Wolfgang Krebs, Thomas Bönker, Giuliano Persico, Klaus-Dieter Oemus, Stefan Elspass +1 more |
2013-11-05 |
| 8350672 |
Method and system for wirelessly transmitting control commands for a controller for lifting gear |
— |
2013-01-08 |
| 7504602 |
Suspended control device |
Michael Rohr, Udo Gersemsky, Wolfgang Krebs, Rudiger Ostholt, Giuliano Persico +5 more |
2009-03-17 |
| 7422542 |
Method of monitoring a chain pulley block and chain pulley block apparatus |
Holger Freitag, Oliver Moll, Erik Appel, Ralf Eising, Udo Gersemsky +2 more |
2008-09-09 |
| 7126307 |
Interface circuit for actuating an electrical device and circuit arrangement for actuating an electric motor therewith |
Holger Freitag, Burkhard Hasenack, Giuliano Persico, Erik Appel |
2006-10-24 |
| 7119295 |
Suspended control device |
Michael Rohr, Wolfgang Krebs, Giuliano Persico, Rudiger Ostholt |
2006-10-10 |
| 7068009 |
Drive arrangement, especially for a lifting mechanism and/or a traveling drive |
Holger Freitag, Burkhard Hasenack, Giuliano Persico, Erik Appel |
2006-06-27 |
| 6972385 |
Operating device for manual actuation of hoisting equipment |
Wolfgang Krebs, Holger Freitag, Burkhard Hasenack, Giuliano Persico, Erik Appel +1 more |
2005-12-06 |
| 6837363 |
Control device for overhead conveyors |
Etienne Nitidem, Jörg Praczyk |
2005-01-04 |
| 6595493 |
Device for controlling a motor-driven hoist |
Wolfgang Krebs |
2003-07-22 |
| D465206 |
Hand-held radio transmitter |
Heinz Hasselmann, Peter Stehr, Walter Voll |
2002-11-05 |
| D440217 |
Sending head for a handheld wireless transmitter |
Heinz Hasselmann, Peter Stehr, Walter Voll |
2001-04-10 |
| 6057521 |
Suspended control panel |
Wolfgang Krebs, Gunter Somborn, Klaus-Dieter Oemus, Eckerhardt Grieb, Uwe Lichtenvort |
2000-05-02 |
| 5859373 |
Apparatus and process for determining the instantaneous and continuous loads on a lifting mechanism |
Eberhard Schroder, Michael Hulsmann |
1999-01-12 |
| 5818185 |
Process and device for monitoring and controlling the speed of rotation of an electric drive with frequency converter for hoisting gears |
Holger Freitag |
1998-10-06 |
| 5632469 |
Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing |
Jurgen Heun, Holger Freitag, Anton Muller |
1997-05-27 |
| 5631510 |
Electric drive with brakes, in particular for hoists, lifting devices or positioning transporting systems |
Heinz Flaig, Josef Saeftel, Harald Bitsch, Herbert Dreher, Axel Hauschild +4 more |
1997-05-20 |
| 5631530 |
Key element for the control of electromotors, especially for cranes and other hoisting equipment |
Kurt Hoppe, Markus H. Schmalstieg, Bernhard Stanski |
1997-05-20 |
| 5507472 |
Hoist with a lifting device |
Harald Bitsch, Heinz Hasselmann, Johannes Kluge, Wolfgang Krebs, Uwe Lichtenvort +1 more |
1996-04-16 |
| 5480125 |
Hoist with a lifting device |
Harald Bitsch, Heinz Hasselmann, Johannes Kluge, Wolfgang Krebs, Uwe Lichtenvort +1 more |
1996-01-02 |
| 5402257 |
Method and apparatus for the wireless control of lift devices by infrared transmission |
Heinz Hasselmann, Peter Stehr, Walter Voll |
1995-03-28 |
| 5152183 |
Measurement system for loaded lifting rope |
— |
1992-10-06 |
| 5064972 |
Current contact line arrangement |
Heinz Pfannkuche |
1991-11-12 |
| 5048196 |
Position sensing arrangement in a working device |
Alfred Bernd, Heinz Pfannkuche, Uwe Schulte, Roland Staggl |
1991-09-17 |