Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356423 | Soild state protection circuit for electrical apparatus | Karen Sjaarda Bland, James E. Hansen, Scott A. Reid, David J. Gritter, Edward L. Wellner +4 more | 2002-03-12 |
| 6271656 | Electrical current sensing apparatus | Mark A. Juds, Kurt von Eckroth, Charles J. Tennies, James E. Hansen, Mark George Solverson +1 more | 2001-08-07 |
| 6130599 | Electrical current sensing apparatus | Mark A. Juds, Kurt von Eckroth, Charles J. Tennies, James E. Hansen, Mark G. Solveson +1 more | 2000-10-10 |
| 5668693 | Method of monitoring a contactor | Charles J. Tennies, Matthew Hastings | 1997-09-16 |
| 5578979 | Electromagnetic apparatus | David M. Adams | 1996-11-26 |
| 5510951 | Electronic control for 3-wire DC coils | Gunars Briedis, Michael Scharnick | 1996-04-23 |
| 5430613 | Current transformer using a laminated toroidal core structure and a lead frame | Bruce C. Beihoff, James E. Hansen, Mark A. Juds, Steven C. Kaishian, Charles J. Tennies | 1995-07-04 |
| 5425166 | Current transformer using a laminated toroidal core structure and a lead frame | Bruce C. Beihoff, James E. Hansen, Mark A. Juds, Steven C. Kaishian, Charles J. Tennies | 1995-06-20 |
| 5351024 | Electrical contactor and interrupter employing a rotary disc | Mark A. Juds, Bruce C. Beihoff, Richard G. Smith, William R. Nelson, Daniel A. Wycklendt +2 more | 1994-09-27 |
| 5337214 | Bypass contactor for solid state motor starters | Kurt Lawrence Lindsey, Andrew R. Peret, Richard G. Smith | 1994-08-09 |
| 5319167 | Electrical contactor employing a rotary disc | Mark A. Juds, Bruce C. Beihoff, Richard G. Smith, William R. Nelson, Daniel A. Wycklendt +2 more | 1994-06-07 |
| 5206596 | Arc detector transducer using an E and B field sensor | Bruce C. Beihoff, Charles J. Tennies | 1993-04-27 |
| 5185685 | Field sensing arc detection | Charles J. Tennies, Bruce C. Beihoff, Robert J. Clarey, Walter K. O'Neil | 1993-02-09 |
| 5115162 | Actuation responsive brake pedal pad assembly | Mark L. Leonard, Loren H. Uthoff, Jr. | 1992-05-19 |
| 4857841 | Proximity detector employing magneto resistive sensor in the central magnetic field null of a toroidal magnet | Bruce C. Beihoff, Mark A. Juds | 1989-08-15 |
| 4857837 | Magneto resistive current sensor with improved fidelity | Mich S. Baran, Bruce C. Beihoff, Michael A. Damiano, James E. Hansen, Allen J. Slomczewski +1 more | 1989-08-15 |
| 4841235 | MRS current sensor | Bruce C. Beihoff, Michael S. Baran, Mark A. Juds, James E. Hansen | 1989-06-20 |
| 4790353 | Electromagnetic hydraulic valve operator | James H. Bigelow, Gary R. Schultz | 1988-12-13 |
| 4791361 | Current sensor for universal application | Bruce C. Beihoff, Mark A. Juds, Michael S. Baran | 1988-12-13 |
| 4570143 | Thermally actuated variable-rating circuit breaker having selectively connectable heater elements | Robert B. Bridges, John R. Brubaker | 1986-02-11 |
| 4570144 | Thermally actuated variable-rating circuit breaker having adjustable heat sink means | Robert B. Bridges, John R. Brubaker, John W. Kroll | 1986-02-11 |
| 4546336 | Residential circuit breaker with combination slot motor and arc chute | Dennis J. Petrie | 1985-10-08 |
| 4546337 | Residential circuit breaker with one piece slot motor | Dennis J. Petrie, Robert B. Bridges, William E. Grass | 1985-10-08 |
| 4521757 | High speed electromagnetic mechanical switch | James H. Bigelow, Robert L. Pearson | 1985-06-04 |
| 4520336 | Electrothermally actuated switch | John R. Brubaker, John W. Kroll | 1985-05-28 |