Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4526025 | Wire or strip bending mechanism | Klaus Ritter, Gerhard Schmidt, Josef Ritter | 1985-07-02 |
| 4506818 | Device for the purpose of pushing sections of a wire through a solid body consisting of yielding material | Klaus Ritter, Josef Ritter, Edgar Pollhammer | 1985-03-26 |
| 4503650 | Grid mat | Gerhard Schmidt, Klaus Ritter | 1985-03-12 |
| 4500763 | Method and apparatus for the production of welded grid bodies | Gerhard Schmidt, Klaus Ritter | 1985-02-19 |
| 4496820 | Multispot electrical resistance welding machine | Klaus Ritter, Gerhard Jahrbacher | 1985-01-29 |
| 4468550 | Multispotwelding machine for the production of grids or gratings | Hans Gott, Rudolf Scherr, Josef Ritter, Klaus Ritter | 1984-08-28 |
| 4466304 | Power transmission | Hans Gott, Josef Ritter, Klaus Ritter | 1984-08-21 |
| 4444227 | Mechanism for bending straight wires into zig-zags, in particular for machines for the production of diagonal grids | Hans Gott, Josef Ritter, Klaus Ritter | 1984-04-24 |
| 4439658 | Apparatus for producing welded wire grids | Gerhard Schmidt, Klaus Ritter, Hans Gott, Josef Ritter | 1984-03-27 |
| 4399342 | Grating and method of production thereof | Klaus Ritter, Hans Gott, Josef Ritter | 1983-08-16 |
| 4396332 | Stacking device for wire grids | Gerhard Schmidt, Klaus Ritter | 1983-08-02 |
| 4372350 | Machine for the automatic production of welded lattice girders | Gerhard Schmidt, Klaus Ritter, Josef Ritter | 1983-02-08 |
| 4362920 | Double point resistance welding machine | Hans Gott, Klaus Ritter, Josef Ritter | 1982-12-07 |
| 4360724 | Method and an apparatus for stepwise movement of a reinforcement grid | Klaus Ritter, Rudolf Scherr, Josef Ritter | 1982-11-23 |
| 4353678 | Mechanism for transferring cut-to-length wires out of a loose bundle of wires into a single layer of parallel wires | Hans Gott, Josef Ritter, Klaus Ritter | 1982-10-12 |
| 4342968 | Alternating voltage amplifier circuit having a plurality of semiconductor amplifier elements operated in a grounded gate or grounded base configuration | — | 1982-08-03 |
| 4315125 | Lattice welding machine with disc electrode | Gerhard Schmidt, Klaus Ritter | 1982-02-09 |
| 4312243 | Change-under-load transmission | Hans Gott, Josef Ritter, Klaus Ritter | 1982-01-26 |
| 4299523 | Machine for stacking mesh grids with alternate grids rotated through 180.degree. | Hans Gott, Peter Furndorfler, Fred Kogl, Klaus Ritter | 1981-11-10 |
| 4249841 | Wire picking from a wire bundle | Hans Gott, Josef Ritter, Klaus Ritter, Gerhard Schmidt | 1981-02-10 |
| 4239951 | Multispot grid-welding machine | Hans Gott, Josef Ritter, Klaus Ritter | 1980-12-16 |
| 4233870 | Shearing machine for severing parallel longitudinal members of grids or gratings | Hans Gott, Josef Ritter, Klaus Ritter | 1980-11-18 |
| 4221143 | Method of cutting gratings to length | Klaus Ritter, Hans Gott, Josef Ritter | 1980-09-09 |
| 4190758 | Grid welding machine | Hans Gott, Klaus Ritter, Josef Ritter | 1980-02-26 |