Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124271 | Rotary evaporator | Erwin Hauser | 2018-11-13 |
| 9057366 | Diaphragm pump | Erwin Hauser | 2015-06-16 |
| 9004877 | Multi-stage diaphragm suction pump | Erwin Hauser | 2015-04-14 |
| 8628304 | Multi-stage membrane suction pump | Erwin Hauser | 2014-01-14 |
| 8466590 | Plug-in sensor board for brushless direct current motor | Erwin Hauser | 2013-06-18 |
| 8344875 | Pump stand | Erwin Hauser | 2013-01-01 |
| 7637570 | Chair | Heiko Buettner, Carsten Gehner | 2009-12-29 |
| D603426 | Boxer membrane pump | Erwin Hauser | 2009-11-03 |
| 7363850 | Diaphragm pump | — | 2008-04-29 |
| 7270048 | Pump | Erwin Hauser | 2007-09-18 |
| 6827558 | Measuring gas pump | Erwin Hauser | 2004-12-07 |
| 6827564 | Rotary compressor | — | 2004-12-07 |
| 6796215 | Membrane pump | Erwin Hauser | 2004-09-28 |
| 6501894 | Plastic optical fiber | Wolfgang Dultz, Walter Heitmann | 2002-12-31 |
| 6452384 | Scanning head for eddy-current testing, method for processing a scanning head for an eddy-current test method | Hans-Peter Lohmann, Gabriel Daalmans, Klaus Ludwig, Ludwig Bär | 2002-09-17 |
| 6305907 | Process for evacuating a wet gas a treatment device to carry out this process and a suction pump for a treatment device of this type | Heinz Riedlinger | 2001-10-23 |
| 6040694 | Method and device for determining the thickness of an electrically conductive layer | — | 2000-03-21 |
| 5895208 | Reciprocating piston machine with capillary passages on valves for pressure relief | Heinz Riedlinger | 1999-04-20 |
| 5584669 | Two-stage positive displacement pump | — | 1996-12-17 |
| 5554014 | Diaphragm pump with at least two diaphragms | — | 1996-09-10 |
| 5533886 | Membrane pump and method of operating the same | Richard Von Der Heyde, Heinz Riedlinger | 1996-07-09 |
| 5520636 | Apparatus for flushing the urinary bladder | Knut Korth | 1996-05-28 |
| 5461966 | Measuring gas pump | Heinz Riedlinger | 1995-10-31 |
| 5387090 | Two-stage positive displacement pump | — | 1995-02-07 |
| 5275541 | Fluid-operated valve for pumps and the like | Heinz Riedlinger | 1994-01-04 |