Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705571 | Filling compound for optical waveguide buffer and/or optical waveguide cables | Erich Weil | 1987-11-10 |
| 4694644 | Method and apparatus for producing oval chain links from round wire | Willi Rudy | 1987-09-22 |
| 4680926 | Process and apparatus for the production of oval chain links from round wire | — | 1987-07-21 |
| 4665337 | Gas discharge arrester and method of manufacture | Franz Watzke, Juergen Boy | 1987-05-12 |
| 4583147 | Gas discharge overvoltage arrester with concentrically surrounded socket | Jurgen Boy | 1986-04-15 |
| 4575632 | Infrared viewing apparatus | — | 1986-03-11 |
| 4572249 | Apparatus for the manufacture of wire net fabric | — | 1986-02-25 |
| 4513924 | Process and apparatus for producing rolls of wire netting | Giovanni T. Angeli | 1985-04-30 |
| 4493006 | Gas discharge overvoltage arrester with parallel-connected spark gap | Jurgen Boy, Ernst-Ludwig Hoene, Oskar Sippekamp | 1985-01-08 |
| 4493004 | Surge arrester with a gas-filled housing | Jurgen Boy | 1985-01-08 |
| 4493005 | Overload by-pass conductor with an external short circuit path | — | 1985-01-08 |
| 4433354 | Gas-discharge surge arrester | Jurgen Boy | 1984-02-21 |
| 4388485 | Longitudinally water-tight cables | Guenter Zeidler, Ernst Ney, Helmut Saller | 1983-06-14 |
| 4387958 | Longitudinally water-tight cables and method of producing the same | Guenter Zeidler, Helmut Saller | 1983-06-14 |
| 4370023 | Longitudinal water-tight light waveguide cable and the method of manufacture | Helmut Saller | 1983-01-25 |
| 4366412 | Surge arrester with parallel-connected improved spark gap structure | Oskar Sippekamp, Gerhard Schwenda | 1982-12-28 |
| 4362962 | Electrical terminal connection for the electrodes of a gas discharge over-voltage arrester | — | 1982-12-07 |
| 4305109 | Surge arrester for a plurality of lines to be safeguarded | Guenter Schilling, Juergen Boy, Klaus-Dietrich Heinze | 1981-12-08 |
| 4266260 | Surge arrester | Juergen Boy | 1981-05-05 |
| 4236397 | Method of and apparatus for producing coil springs with eyelets | — | 1980-12-02 |
| 4211068 | Chain welding machine | — | 1980-07-08 |
| 4187526 | Gas-Discharge surge arrester with concentric electrodes | Klaus-Dietrich Heinze | 1980-02-05 |