Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176578 | Method for processing a thin film substrate | Klas Hjort, Mikael Lindberg | 2007-02-13 |
| 6544019 | Pump with magnetic clutch | Jürgen Bohner, Raimund Rosch | 2003-04-08 |
| 6508752 | Centrifugal separator having end walls and a central shaft to resist axially directed forces | Ingvar Hallgren, Berndt Nyström | 2003-01-21 |
| 6217502 | Centrifugal separator having a liquid filled transmission chamber | Ingvar Hallgren, Berndt Nyström | 2001-04-17 |
| 6200106 | Fan assembly with a fan locking device for an automotive fluid friction fan clutch | Franz A. Bierbrauer, Rudolf Wichtl, Wolfgang Kuttler | 2001-03-13 |
| 6032775 | Fluid friction clutch | — | 2000-03-07 |
| 5937983 | Fluid friction clutch | Franz A. Bierbrauer | 1999-08-17 |
| 5826549 | Tandem fan for motor-vehicle radiators | — | 1998-10-27 |
| 5722523 | Fluid clutch | — | 1998-03-03 |
| 5701985 | Fluid friction clutch | — | 1997-12-30 |
| 5645401 | Axial fan for a radiator of a motor vehicle engine | Uwe Blass | 1997-07-08 |
| 5617817 | Fan drive with a fluid-friction clutch | — | 1997-04-08 |
| 5601170 | Fluid friction coupling | Harald Dax | 1997-02-11 |
| 5573184 | Heating device for motor vehicles | — | 1996-11-12 |
| 5555963 | Electromagnetically controlled hydraulic clutch | — | 1996-09-17 |
| 5419682 | Axial fan having plastic blades | — | 1995-05-30 |
| 5415259 | Fluid friction clutch with locking device | — | 1995-05-16 |
| 5404977 | Fluid friction coupling | Werner Hummel | 1995-04-11 |
| 5263563 | Fluid-friction coupling | — | 1993-11-23 |
| 5154225 | Oil cooler for an internal-combustion engine | Horst Armbruster | 1992-10-13 |
| 4962836 | Fluid friction clutch | — | 1990-10-16 |
| 4958710 | Fluid friction clutch with a temperature control | Gerhard Stutz | 1990-09-25 |
| 4667791 | Fluid friction clutch with reserve chamber in the primary disk | Andreas Braatz | 1987-05-26 |
| 4658671 | Fluid friction clutch | — | 1987-04-21 |
| 4640235 | Apparatus for controlling the coolant medium circulation of an internal combustion engine | — | 1987-02-03 |