Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673786 | Electrical resistance grid welding machine | Josef Ritter, Gerhard Ritter, Klaus Ritter | 1987-06-16 |
| 4580458 | Power transmission | Josef Ritter, Gerhard Ritter, Klaus Ritter | 1986-04-08 |
| 4468550 | Multispotwelding machine for the production of grids or gratings | Rudolf Scherr, Josef Ritter, Klaus Ritter, Gerhard Ritter | 1984-08-28 |
| 4466304 | Power transmission | Josef Ritter, Gerhard 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 | Josef Ritter, Klaus Ritter, Gerhard Ritter | 1984-04-24 |
| 4439658 | Apparatus for producing welded wire grids | Gerhard Schmidt, Klaus Ritter, Gerhard Ritter, Josef Ritter | 1984-03-27 |
| 4399342 | Grating and method of production thereof | Klaus Ritter, Gerhard Ritter, Josef Ritter | 1983-08-16 |
| 4362920 | Double point resistance welding machine | Gerhard Ritter, Klaus Ritter, Josef Ritter | 1982-12-07 |
| 4353678 | Mechanism for transferring cut-to-length wires out of a loose bundle of wires into a single layer of parallel wires | Josef Ritter, Klaus Ritter, Gerhard Ritter | 1982-10-12 |
| 4312243 | Change-under-load transmission | Josef Ritter, Gerhard Ritter, Klaus Ritter | 1982-01-26 |
| 4299523 | Machine for stacking mesh grids with alternate grids rotated through 180.degree. | Peter Furndorfler, Fred Kogl, Klaus Ritter, Gerhard Ritter | 1981-11-10 |
| 4249841 | Wire picking from a wire bundle | Josef Ritter, Klaus Ritter, Gerhard Ritter, Gerhard Schmidt | 1981-02-10 |
| 4239951 | Multispot grid-welding machine | Josef Ritter, Klaus Ritter, Gerhard Ritter | 1980-12-16 |
| 4233870 | Shearing machine for severing parallel longitudinal members of grids or gratings | Josef Ritter, Klaus Ritter, Gerhard Ritter | 1980-11-18 |
| 4221143 | Method of cutting gratings to length | Gerhard Ritter, Klaus Ritter, Josef Ritter | 1980-09-09 |
| 4190758 | Grid welding machine | Gerhard Ritter, Klaus Ritter, Josef Ritter | 1980-02-26 |