Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326169 | Full-jacket helix centrifuge with a weir | Jürgen Hermeler, Helmut Figgener | 2008-02-05 |
| 7083565 | Solid-bowl centrifuge having a disk stack on the drum cover | Jürgen Hermeler, Ludger Horstkötter | 2006-08-01 |
| 7060019 | Solid bowl screw centrifuge comprising a distributor | Jürgen Hermeler, Ludger Horstkötter | 2006-06-13 |
| 6749552 | Screw-type solid bowl centrifuge having a baffle plate arrangement | Helmut Figgener, Josef Von Heyden-Linden | 2004-06-15 |
| 5593377 | Weir and choke plate for a solid-jacket centrifuge drum | Helmut Figgener | 1997-01-14 |
| 5041075 | Continuous-operation centrifuge drum for concentrating suspended solids | Ulrich Wrede | 1991-08-20 |
| 4961723 | Centrifuge drum for clarifying or separating centrifugates | Wilfried Mackel, Ulrich Wrede, Willi Niemerg | 1990-10-09 |
| 4810374 | Self-emptying centrifuge drum | Werner Kohlstette | 1989-03-07 |
| 4784633 | Centrifuge with a drum having solids-extraction openings | Helmut Figgener | 1988-11-15 |
| 4784635 | Continuous-operation centrifuge drum for concentrating suspended solids | Wilfried Mackel, Ulrich Wrede | 1988-11-15 |
| 4722294 | V-bottom planing boat with lifting recesses | — | 1988-02-02 |
| 4717376 | Centrifuge with a self-emptying drum | Willi Niemerg | 1988-01-05 |
| 4614598 | Centrifugal separator drum for the clarification and separation of liquids | Karl-Heinz Zettier, Reinhard Schmidt, Heinrich Hemfort | 1986-09-30 |
| 4460352 | Centrifuge drum for clarifying and/or separating liquids | — | 1984-07-17 |
| 4457745 | Centrifuge with a belt-driven spindle | Klaus Broker, Eberhard Wenzel | 1984-07-03 |
| 4299353 | Drive for a continuously operating screw ejection centrifugal separator | Alfons Monkenbusch | 1981-11-10 |