Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6522815 | Method of producing an optical cable with an excessive length of the optical waveguides | — | 2003-02-18 |
| 6223407 | Apparatus for manufacturing an optical fiber cable | Klaus Porcher, Hans-Joachim Arntz, Friedrich Harten | 2001-05-01 |
| 6107597 | Laser beam welding device with radiation trap | Siegfried Wandelt | 2000-08-22 |
| 6027011 | Method and device for producing long metal tubes | — | 2000-02-22 |
| 5975404 | Apparatus for manufacturing an optical cable from a metal tube | Gerhard Ziemek, Klaus Porcher | 1999-11-02 |
| 5768762 | Method and apparatus for manufacturing an optical cable from a metal tube | Gerhard Ziemek, Klaus Porcher | 1998-06-23 |
| 5709347 | Device for electromagnetically braking and clutching a spool | Ernst Hoffmann, Wolfram Klebl | 1998-01-20 |
| 5613631 | Method for producing a lengthwise welded metal tube | Gerhard Ziemek, Klaus Porcher | 1997-03-25 |
| 5536912 | Welding device | — | 1996-07-16 |
| 5515603 | Method for manufacturing a coaxial cable | Gerhard Ziemek | 1996-05-14 |
| 5489056 | Endless chain conveying device with spring biased wedge tensioner | — | 1996-02-06 |
| 5414988 | Device for twisting rope-shaped material with changing twist direction | Michele DiPalma, Ernst Hoffmann | 1995-05-16 |
| 5346112 | Capstan draw apparatus for periodically gripping and drawing an elongated member | Gerhard Ziemek, Hermann Meyer | 1994-09-13 |
| 5325693 | Apparatus for the continuous production of helical or annular corrugated metal tubes | Ernst Hoffmann, Wolfram Klebl | 1994-07-05 |
| 5281123 | Device for attaching a protective cover to the end of an electric wire | Ernst Hoffmann, Dieter Zimmer, Klaus Porcher | 1994-01-25 |
| 5161359 | Cable stranding apparatus | Gerhard Ziemek, Wolfram Klebl, Ernst Hoffmann | 1992-11-10 |
| 5142298 | Method of marking elongated material | Ernst Hoffmann, Siegfried Wandelt | 1992-08-25 |
| 4958780 | Spool driving and braking | Rainer Bruenn, Rolf Heisterhagen, Wolfram Klebl | 1990-09-25 |
| 4893892 | Method and apparatus for connecting multiple fiber optic conductors | Gerhard Ziemek, Klaus Procher | 1990-01-16 |
| 4881489 | Color coding light wave conductors | Wolfram Klebl, Rainer Bruenn | 1989-11-21 |
| 4811888 | Method and apparatus for manufacturing small diameter, thick walled, cable sheaths | Gerhard Ziemek, Ewald Gunia | 1989-03-14 |