| 9124093 |
Rail surge voltage protector with fail disconnect |
Chris Penwell |
2015-09-01 |
| 8857459 |
Internally powered earthquake triggered and electrically controllable shutoff valve |
Chris Penwell |
2014-10-14 |
| 8730637 |
Surge protection devices that fail as an open circuit |
Louis Ki Won Chang |
2014-05-20 |
| 8611062 |
Surge current sensor and surge protection system including the same |
Roger Bishop, Chris Penwell |
2013-12-17 |
| 8553386 |
Surge suppression device having one or more rings |
Chris Penwell, Bogdan B. Klobassa |
2013-10-08 |
| 8456791 |
RF coaxial surge protectors with non-linear protection devices |
Chris Penwell |
2013-06-04 |
| 8441795 |
High power band pass RF filter having a gas tube for surge suppression |
Louis Ki Won Chang |
2013-05-14 |
| 8432693 |
High power band pass RF filter having a gas tube for surge suppression |
Louis Ki Won Chang |
2013-04-30 |
| 8179656 |
Surge protection circuit for passing DC and RF signals |
Chris Penwell |
2012-05-15 |
| 8027136 |
Surge suppression device having one or more rings |
Chris Penwell, Bogdan B. Klobassa |
2011-09-27 |
| 7944670 |
Surge protection circuit for passing DC and RF signals |
Chris Penwell |
2011-05-17 |
| 6975496 |
Isolated shield coaxial surge suppressor |
Richard C. Dunning, Mark J. Mattson |
2005-12-13 |
| 6236551 |
Surge suppressor device |
Richard C. Dunning, Ted K. Kulbieda |
2001-05-22 |
| 6115227 |
Surge suppressor device |
Richard C. Dunning, Ted K. Kulbieda |
2000-09-05 |
| 6061223 |
Surge suppressor device |
Richard C. Dunning, Ted K. Kulbieda |
2000-05-09 |