Issued Patents All Time
Showing 101–114 of 114 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519530 | Self-closing dispenser | — | 1985-05-28 |
| 4503650 | Grid mat | Gerhard Ritter, Klaus Ritter | 1985-03-12 |
| 4500763 | Method and apparatus for the production of welded grid bodies | Klaus Ritter, Gerhard Ritter | 1985-02-19 |
| 4439658 | Apparatus for producing welded wire grids | Klaus Ritter, Gerhard Ritter, Hans Gott, Josef Ritter | 1984-03-27 |
| 4396503 | Method and device for coating elements and screen elements made thereby | — | 1983-08-02 |
| 4396332 | Stacking device for wire grids | Klaus Ritter, Gerhard Ritter | 1983-08-02 |
| 4383086 | Filaments and fibers of acrylonitrile copolymer mixtures | Walter Fester, Bernd Huber | 1983-05-10 |
| 4372350 | Machine for the automatic production of welded lattice girders | Klaus Ritter, Gerhard Ritter, Josef Ritter | 1983-02-08 |
| 4367655 | Method and apparatus for measuring the closing and holding force on pressure diecasting and injection moulding machines | Hans Bluml | 1983-01-11 |
| 4315125 | Lattice welding machine with disc electrode | Klaus Ritter, Gerhard Ritter | 1982-02-09 |
| 4307586 | Machine and method for producing knitgoods with a pile or loop-pile surface | — | 1981-12-29 |
| 4305016 | Electric lamp with opaque cap, particularly halogen cycle, dual filament, automotive-type lamp | — | 1981-12-08 |
| 4249841 | Wire picking from a wire bundle | Hans Gott, Josef Ritter, Klaus Ritter, Gerhard Ritter | 1981-02-10 |
| 4250535 | Electric switch gear section | Erich Adolph, Unal Bayrak, Robert Prohl, Walter Stecker | 1981-02-10 |