Issued Patents All Time
Showing 1–25 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11325326 | Process for manufacturing a fiber reinforced composite article, the composite article obtained and the use thereof | Duncan Howland, Stephan Costantino, Guillaume Dirrig | 2022-05-10 |
| 10717144 | Grid welding machine and method for producing wire grids | Robert A. Tremmel, Georg Droschl | 2020-07-21 |
| 7370409 | Method and apparatus for transferring wires that have been cut into lengths from a wire bundle into a single layer | — | 2008-05-13 |
| 7247809 | Welding machine for the production of wire grid sheet | — | 2007-07-24 |
| 7143559 | Method and device for production of a pre-fabricated cast concrete element | — | 2006-12-05 |
| 7067588 | Building element | Gerhard Ritter | 2006-06-27 |
| 6915572 | Method and plant for continuously producing construction | Gerhard Ritter, Gerhard Schmidt | 2005-07-12 |
| 6710278 | Device for the welding of a wire mesh grid | — | 2004-03-23 |
| 6705055 | Building element | Gerhard Ritter | 2004-03-16 |
| 6272805 | Building element | Gerhard Ritter | 2001-08-14 |
| 6185890 | Building element | — | 2001-02-13 |
| 6045031 | Method and device for manufacturing wire-lattice mats | Gerhard Ritter | 2000-04-04 |
| 5647110 | System for the continuous production of building elements | Gerhard Ritter, Gerhard Schmidt | 1997-07-15 |
| 5598617 | Wire insertion apparatus | Gerhard Ritter | 1997-02-04 |
| 5446254 | Process and installation for producing reinforcement wire meshes | Gerhard Ritter | 1995-08-29 |
| 5398470 | Reinforcement body for a floor slab | Gerhard Ritter, Klaus Matz | 1995-03-21 |
| 5316052 | Machine for making wire lattice mats of welded longitudinal and cross wires with welded end loops | Gerhard Ritter, Anton Lassbacher | 1994-05-31 |
| 5211350 | System for producing strapped rolls of wire screening | Gerhard Ritter, Gerhard Schmidt | 1993-05-18 |
| 5211208 | Double-point welding machine | Gerhard Ritter, Rudolf Scherr, Josef Grabuschnig | 1993-05-18 |
| 5203195 | Bending machine for bending bar-shaped material | Gerhard Ritter, Gerhard Schmidt | 1993-04-20 |
| 5193378 | Device for bending rod-like material to form concrete reinforcements | Gerhard Ritter, Gerhard Schmidt | 1993-03-16 |
| 5182932 | Apparatus for bending steel bars to form concrete reinforcement elements | Gerhard Ritter, Gerhard Schmidt | 1993-02-02 |
| 5167360 | Method and apparatus for guiding wire sections through an insulating body of a component | Gerhard Ritter | 1992-12-01 |
| 5134269 | Grid welding machine operating according to the electrical resistance welding principle | Gerhard Ritter, Rudolf Scherr, Kurt Jursche | 1992-07-28 |
| 5125436 | Apparatus for loading a grid-welding machine with elongate elements | Josef Grabuschnig, Gerhard Ritter | 1992-06-30 |