Issued Patents All Time
Showing 76–100 of 114 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701644 | Method for producing self-crimping polymer bi-component fibers | Werner Kaegi, Werner Stibal, Gunther Schaech, Rainer Straub | 1997-12-30 |
| 5647110 | System for the continuous production of building elements | Klaus Ritter, Gerhard Ritter | 1997-07-15 |
| 5631496 | Semiconductor component having a passivation layer and method for manufacturing same | Albert Hammerschmidt, Rolf Schulte | 1997-05-20 |
| 5510073 | Planetary gear for a multiple-screw extruder | Werner Kaegi, Joachim Ensinger | 1996-04-23 |
| 5293696 | Device for the dehydration of sewage sludge | Heinz Schmidt | 1994-03-15 |
| 5211350 | System for producing strapped rolls of wire screening | Klaus Ritter, Gerhard Ritter | 1993-05-18 |
| 5203195 | Bending machine for bending bar-shaped material | Klaus Ritter, Gerhard Ritter | 1993-04-20 |
| 5193378 | Device for bending rod-like material to form concrete reinforcements | Gerhard Ritter, Klaus Ritter | 1993-03-16 |
| 5182932 | Apparatus for bending steel bars to form concrete reinforcement elements | Gerhard Ritter, Klaus Ritter | 1993-02-02 |
| 5162875 | Protective layer for electroactive passivation layers | Siegfried Birkle, Johann Kammermaier, Rolf Schulte | 1992-11-10 |
| 5113915 | Grid welding machine | Gerhard Ritter, Klaus Ritter, Walter RESCH | 1992-05-19 |
| 5108602 | Straining apparatus with a continuous inwardly helical open channel | Heinrich Schmidt, Christian Neukam | 1992-04-28 |
| 5053597 | Method and apparatus for fabricating double-layer, welded grid bodies | Klaus Ritter, Gerhard Ritter, Anton Lassbacher | 1991-10-01 |
| 5039358 | Amorphous, hydrogenated carbon electroactive passivation layer | Siegfried Birkle, Johann Kammermaier, Albrecht Winnacker | 1991-08-13 |
| 5033450 | Radiant heater | Heinz Schmidt | 1991-07-23 |
| 4951017 | Electromagnetic relay | Emil Buchschmid, Anton Frenznick, Klaus Lindner, Olaf Schmid, Hans-Dieter Schmid +1 more | 1990-08-21 |
| 4926150 | Electromagnetic relay | Emil Buchschmid, Anton Frenznick, Klaus Lindner, Olaf Schmid, Hans-Dieter Schmid +1 more | 1990-05-15 |
| 4823768 | Radiant heater | Heinz Schmidt | 1989-04-25 |
| 4682578 | Infrared radiant heater | — | 1987-07-28 |
| 4628290 | Electromagnetic relay with zig-zag armature spring | Joachim Naser, Olaf Schmid, Theodor Sturm, Berthold Walter | 1986-12-09 |
| 4604598 | Electromagnetic relay with underslung armature | Joachim Naser, Olaf Schmid, Theodor Sturm, Berthold Walter | 1986-08-05 |
| 4580920 | Stick dispenser | — | 1986-04-08 |
| 4552387 | Coupling for pressure hose | — | 1985-11-12 |
| 4529858 | Multispot grid-welding machine | Rudolf Scherr, Edgar Pollhammer, Gerhard Ritter, Klaus Ritter | 1985-07-16 |
| 4526025 | Wire or strip bending mechanism | Klaus Ritter, Gerhard Ritter, Josef Ritter | 1985-07-02 |