| 8189315 |
Surge arrester with low response surge voltage |
Wolfgang Daeumer |
2012-05-29 |
| 8169145 |
Spark-discharge gap for power system protection device |
Winfried Voelkner |
2012-05-01 |
| 8080927 |
Device and module for protecting against lightning and overvoltages |
Gero Zimmermann, Thomas Westebbe |
2011-12-20 |
| 7795810 |
Gas-filled discharge gap |
Wolfgang Daeumer, Frank Werner |
2010-09-14 |
| 6795290 |
Surge arrestor |
Peter Bobert, Klaus-Dieter Fuhrmann |
2004-09-21 |
| 6710996 |
Surge arrestor |
Peter Bobert, Klaus-Dieter Fuhrmann |
2004-03-23 |
| 6529361 |
Gas-filled discharge path |
Bernd Petschel, Wolfgang Daeumer |
2003-03-04 |
| 6172865 |
Module for protecting telecommunication devices against voltage surges |
Winfried Völkner, Norbert Krost |
2001-01-09 |
| 5892648 |
Gas-filled overvoltage arrester with electrode activation compound |
Peter Bobert, Winfried Voelkner, Wolfgang Daeumer |
1999-04-06 |
| 5768085 |
Reserve series gap for a gas-filled surge diverter and gas-filled three-electrode surge diverter with mounted reserve series gaps |
Gerhard Lange |
1998-06-16 |
| 5768082 |
Gas-filled surge voltage protector |
Gerhard Lange |
1998-06-16 |
| 5142434 |
Overvoltage arrester with air gap |
Oskar Sippekamp, Gerhard Schwenda |
1992-08-25 |
| 5142194 |
Spark gap component of particular spacing mounted within a shield |
Matthias Jacubeit, Tetsuo Fukumoto |
1992-08-25 |
| 4831485 |
Gas discharge overvoltage arrester |
Ernst-Ludwig Hoene |
1989-05-16 |
| 4797778 |
Gas discharge path |
— |
1989-01-10 |
| 4769736 |
Gas discharge surge arrester |
— |
1988-09-06 |
| 4739439 |
Overvoltage arrester |
— |
1988-04-19 |
| 4665337 |
Gas discharge arrester and method of manufacture |
Franz Watzke, Gerhard Lange |
1987-05-12 |
| 4305109 |
Surge arrester for a plurality of lines to be safeguarded |
Guenter Schilling, Gerhard Lange, Klaus-Dietrich Heinze |
1981-12-08 |
| 4266260 |
Surge arrester |
Gerhard Lange |
1981-05-05 |