Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7850590 | Separator having a rigidly connected stator, an elastic support and ultra sockets | Helga Tietz | 2010-12-14 |
| 7763172 | Filtering device | Tietz Helga | 2010-07-27 |
| 7416523 | Separator having a double-cone drum made of metal | Angelika VOLTMANN | 2008-08-26 |
| 7354388 | Separator having a centrifugal drum and a piston slide | Andreas Schulz | 2008-04-08 |
| 7090634 | Driving system for a separator having a centrifugal drum and a neck bearing | Helga Tietz | 2006-08-15 |
| 7008365 | Centrifuge having a feeler element for sensing a medium level | Jochen Hamatschek, Willi Niemerg | 2006-03-07 |
| 6969343 | Centrifuge with a sieve system and method for operating the same | Jochen Hamatschek | 2005-11-29 |
| 6960158 | Centrifugal separator | — | 2005-11-01 |
| 6869389 | Centrifuge with sieve and method for operating said centrifuge | Jochen Hamatschek | 2005-03-22 |
| 6648809 | Centrifuge having a gaseous medium as a control fluid and method of operating | Willi Niemerg, Thomas Kleimann | 2003-11-18 |
| 6530871 | Centrifuge having a bag arrangement and a method for operating the centrifuge | Werner Kohlstette, Thomas Kleimann, Willi Niemerg | 2003-03-11 |
| 6468198 | Method and device for adjusting the liquid content of a solid withdrawn from a self-discharging centrifugal drum of a separator | — | 2002-10-22 |
| 6390964 | Device for cooling a centrifugal device and method for centrifuge operation | — | 2002-05-21 |
| 6033356 | Centrifugal drum with increased flow resistance | Johannes Droste, Ludger Thiemann | 2000-03-07 |
| 5848959 | Lubicated vertical transmission shaft for driving a centrifugal drum | Johannes Droste, Markus Ruwe | 1998-12-15 |
| 4966576 | Continuously operating centrifuge drum | Dieter Schulz, Ulrich Wrede | 1990-10-30 |
| 4961723 | Centrifuge drum for clarifying or separating centrifugates | Paul Bruning, Ulrich Wrede, Willi Niemerg | 1990-10-09 |
| 4784635 | Continuous-operation centrifuge drum for concentrating suspended solids | Paul Bruning, Ulrich Wrede | 1988-11-15 |
| 4718886 | Continuous-operation centrifuge bowl for concentrating suspended solids | — | 1988-01-12 |