Patent | Date |
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Operating device for manually actuating lifting devices Grant 8,575,503 - Krebs , et al. November 5, 2 | 2013-11-05 |
Method and system for wirelessly transmitting control commands for a controller for lifting gear Grant 8,350,672 - Munzebrock January 8, 2 | 2013-01-08 |
Operating Device For Manually Actuating Lifting Devices App 20110240447 - Krebs; Wolfgang ;   et al. | 2011-10-06 |
Suspended control device Grant 7,504,602 - Rohr , et al. March 17, 2 | 2009-03-17 |
Method And System For Wirelessly Transmitting Control Commands For A Controller For Lifting Gear App 20090009358 - Munzebrock; Anton | 2009-01-08 |
Method of monitoring a chain pulley block and chain pulley block apparatus Grant 7,422,542 - Freitag , et al. September 9, 2 | 2008-09-09 |
Interface circuit for actuating an electrical device and circuit arrangement for actuating an electric motor therewith Grant 7,126,307 - Freitag , et al. October 24, 2 | 2006-10-24 |
Suspended control device Grant 7,119,295 - Rohr , et al. October 10, 2 | 2006-10-10 |
Suspended control device App 20060180562 - Rohr; Michael ;   et al. | 2006-08-17 |
Drive arrangement, especially for a lifting mechanism and/or a traveling drive Grant 7,068,009 - Freitag , et al. June 27, 2 | 2006-06-27 |
Operating device for manual actuation of hoisting equipment Grant 6,972,385 - Krebs , et al. December 6, 2 | 2005-12-06 |
Method of monitoring a chain pulley block and chain pulley block apparatus App 20050065692 - Freitag, Holger ;   et al. | 2005-03-24 |
Operating device for manual actuation of hoisting equipment App 20050034966 - Krebs, Wolfgang ;   et al. | 2005-02-17 |
Drive arrangement, especially for a lifting mechanism and/or a traveling drive App 20050012483 - Freitag, Holger ;   et al. | 2005-01-20 |
Control device for overhead conveyors Grant 6,837,363 - Munzebrock , et al. January 4, 2 | 2005-01-04 |
Interface circuit for actuating an electrical device and circuit arrangement for actuating an electric motor therewith App 20040239286 - Freitag, Holger ;   et al. | 2004-12-02 |
Control device for overhead conveyors App 20040007443 - Munzebrock, Anton ;   et al. | 2004-01-15 |
Device for controlling a motor-driven hoist Grant 6,595,493 - Krebs , et al. July 22, 2 | 2003-07-22 |
Hand-held radio transmitter Grant D465,206 - Hasselmann , et al. November 5, 2 | 2002-11-05 |
Apparatus for manual control, in particular of a driving gear and/or lifting gear of a load-lifting device App 20020079850 - Hortig, Philipp ;   et al. | 2002-06-27 |
Device for controlling a motor-driven hoist App 20010020698 - Krebs, Wolfgang ;   et al. | 2001-09-13 |
Sending head for a handheld wireless transmitter Grant D440,217 - Hasselmann , et al. April 10, 2 | 2001-04-10 |
Suspended control panel Grant 6,057,521 - Krebs , et al. May 2, 2 | 2000-05-02 |
Electric hoist with speed control, a protective housing and a swivelable circuit board in the housing Grant 5,632,469 - Heun , et al. May 27, 1 | 1997-05-27 |
Hoist with a lifting device Grant 5,480,125 - Bitsch , et al. January 2, 1 | 1996-01-02 |
Method and apparatus for the wireless control of lift devices by infrared transmission Grant 5,402,257 - Hasselmann , et al. March 28, 1 | 1995-03-28 |