Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7729832 | Device for actuating an articulated mast | Kurt Rau | 2010-06-01 |
| 7657355 | Device for actuating a bending mast in a large manipulator and a large manipulator comprising said device | Kurt Rau | 2010-02-02 |
| 7322802 | Thick matter pump comprising a conveyance capacity control system | Paul Von Baeumen, Wolf-Michael Petzold | 2008-01-29 |
| 7131820 | Method for controlling a thick matter pump | — | 2006-11-07 |
| 7011108 | Device for actuating an articulated mast, especially for concrete pumps | Paul Von Baumen | 2006-03-14 |
| 6983763 | Telescoping boom with moving flexible 180° bend | Hans Renz | 2006-01-10 |
| 6862509 | Device for operating the articulated mast of a large manipulator | Kurt Rau | 2005-03-01 |
| 6338615 | Pipe switch for two-cylinder thick-material pump | Hellmut Hurr, Karl Schlecht | 2002-01-15 |
| 6220834 | Support pipe for concrete pump with pivoting valve | Hellmut Hurr, Klaus Buhrer | 2001-04-24 |
| 5823218 | Large manipulator, especially for self-propelled concrete pumps, and method for operating it | Karl Schlecht | 1998-10-20 |
| 5823748 | Device for opening and closing a closure cap | Hellmut Hurr, Paul Baeumen | 1998-10-20 |
| 5640996 | Large manipulator, especially for self-propelled concrete pumps | Karl Schlecht | 1997-06-24 |
| 5640850 | Hydraulic pressure supply and control device for a mobile concrete pump | Hans Renz, Werner Muenzenmaier, Gabriel Galambos | 1997-06-24 |
| 5586869 | Initial pressure governor for a variable displacement pump | Werner Muenzenmaier | 1996-12-24 |
| 5520521 | Hydraulic control device for a viscous fluid pump | Hans Renz, Werner Muenzenmaier | 1996-05-28 |
| 5470167 | Locking device for pull-out supports | Dieter Schillinger | 1995-11-28 |
| 5421705 | Overload protective device for an internal combustion engine acting as a drive motor of a main pump of a hydraulic pressure generator | — | 1995-06-06 |
| 5360321 | Feeding reservoir for two-cylinders thick-matter pumps | Helmut Hurr | 1994-11-01 |
| 5344290 | Method and device for controlling a double-cylinder thick matter pump | — | 1994-09-06 |
| 5340291 | Flow restraining device for a thick matter conveying apparatus | Helmut Hurr | 1994-08-23 |
| 5302094 | Tube switch for a double-cylinder sludge pump | Karl Schlecht | 1994-04-12 |
| 5238371 | Control arrangement for a two-cylinder pump for thick materials | — | 1993-08-24 |
| 5209649 | Control system for a two-cylinder thick matter pump | Rolf Dose | 1993-05-11 |
| 5190449 | Material feed tank for sludge pumps | Rolf Dose, Hellmut Hurr | 1993-03-02 |
| 5127806 | Thick matter pump with downstream shutoff device | — | 1992-07-07 |