Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9969969 | Fed-batch fermentation process and culture medium for the production of plasmid DNA in E. coli on a manufacturing scale | Gerhard Weigl, Wolfgang Buchinger | 2018-05-15 |
| 6231757 | Apparatus for collecting and removing solid particles from a flowing fluid | — | 2001-05-15 |
| 6139728 | Apparatus for collecting and removing solid particles from a flowing fluid | — | 2000-10-31 |
| 5798038 | Device for removing deposited material from a liquid in a flume | — | 1998-08-25 |
| 5755958 | Device for removing material screened or filtered out of a liquid flowing in a channel | — | 1998-05-26 |
| 5641398 | Device for removing screened material from a liquid flowing in a flume | Reinhold Fischer | 1997-06-24 |
| 5422000 | Device for cleaning large quantities of water from rakings | — | 1995-06-06 |
| 5422006 | Underwater clearing device for round sewage treatment basins | — | 1995-06-06 |
| 5372713 | Long sand trap for separating and removing sand from water from inflow channels | — | 1994-12-13 |
| 5341826 | Apparatus for compressing and washing contaminated raked-off or screened material, particularly in sewage treatment plants | Anton Neger | 1994-08-30 |
| 5297624 | Header for a flat tube liquefier | Roland Haussmann | 1994-03-29 |
| 5122263 | Continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge | — | 1992-06-16 |
| 5078865 | Appliance for the removal of rakings and/or screenings out of liquid flowing in a launder | — | 1992-01-07 |
| 4859322 | Device for removing material screened or filtered out of a liquid flowing in a channel | — | 1989-08-22 |
| 4836919 | Device for removing waste material screened or filtered out of liquid flowing throgh a channel | — | 1989-06-06 |
| 4645040 | Adjusting and centering contrivance for servo brakes | Valentin Knott, Wolfgang Langheinrich, Stephan Maier | 1987-02-24 |
| 4634524 | Device for removing screened or sifted material from liquid flowing in a gutter | — | 1987-01-06 |
| 4487053 | Windshield wiper yoke | Kurt Bauer, Georg Hesch, Helmut Markert, Christian Roth | 1984-12-11 |
| 4309790 | Windshield wiper yoke | Kurt Bauer, Georg Hesch, Helmut Markert, Christian Roth | 1982-01-12 |