Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914200 | High-temperature fuel cell stack arrangement with centrally located exit air space | Wolfgang Drenckhahn, Horst Vollmar | 1999-06-22 |
| 5402456 | Nuclear reactor system and method for operating the same | Horst Weisshaeupl, Dietmar Bittermann, Andreas Goebel | 1995-03-28 |
| 5377952 | Shut-off valve | Erwin Laurer | 1995-01-03 |
| 5345835 | Fitting for shutting off a flow | Erwin Laurer | 1994-09-13 |
| 5311563 | Storage frame for nuclear reactor fuel assemblies | Wilfried Horstmann, Karl Wasinger | 1994-05-10 |
| 4953580 | Bolted pipe joint releasable by remote control and combination tool therefor | Erich Strickroth, Erwin Laurer | 1990-09-04 |
| 4951974 | Remote-controllable screw connection | Erwin Laurer, Erich Strickroth | 1990-08-28 |
| 4883414 | Rotating piston compressor | — | 1989-11-28 |
| 4852614 | Shut-off device which can be inserted into a pipeline | Trond V. Johansen, Ola Ruch, Ludvig Naess, Robert A. Weber, Bernd Veenhoff +3 more | 1989-08-01 |
| 4793779 | Rotating piston compressor having an axially adjustable rotary sleeve valve | Max Heller, Klaus Zach | 1988-12-27 |
| 4780785 | Double-acting rotary drive for a control device | Erwin Laurer, Erich Strickroth, Roland Lippert | 1988-10-25 |
| 4770390 | Valve for shutting off a flow | Herbert Tratz, Erwin Laurer | 1988-09-13 |
| 4743182 | Rotating piston compressor with thin-walled radially-resilient piston | — | 1988-05-10 |
| 4607822 | Shutoff valve with a conical valve seat | Max Heller, Erwin Laurer, Hans Leinweber | 1986-08-26 |
| 4580957 | Rotary fluid-flow machine with thin-walled annular piston | Kurt G. Fickelscher | 1986-04-08 |
| 4297167 | Nuclear reactor installation | — | 1981-10-27 |
| 4277309 | Nuclear reactor installation | — | 1981-07-07 |
| 4245412 | Steam power plant, especially nuclear power plant | Erwin Laurer | 1981-01-20 |
| 4242001 | Worm extruder assembly | Manfred Meintker, Anwer Puthawala, Erich Strickroth | 1980-12-30 |
| 4238290 | Nuclear reactor installation | Jorgen Hoffmann | 1980-12-09 |