Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |