Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281922 | Method for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter | Lyle E. Lofgren, Brian K. Seemann | 1994-01-25 |
| 5237285 | Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter | Lyle E. Lofgren, Brian K. Seemann | 1993-08-17 |
| 5155445 | Vernier voltage-to-digital converter with a storage capacitance selectable in magnitude | Roger L. Frick | 1992-10-13 |
| 5119033 | Vernier voltage-to-digital converter with a storage capacitance selectable in magnitude | Roger L. Frick | 1992-06-02 |
| 5083091 | Charged balanced feedback measurement circuit | Roger L. Frick | 1992-01-21 |
| 4878012 | Charge balanced feedback transmitter | Kelly M. Orth, Roger L. Frick, Brian L. Westfield, Randy Kenneth Paschke | 1989-10-31 |
| 4800758 | Pressure transducer with stress isolation for hard mounting | Thomas A. Knecht, James A. Ruf | 1989-01-31 |
| 4791352 | Transmitter with vernier measurement | Roger L. Frick | 1988-12-13 |
| 4578735 | Pressure sensing cell using brittle diaphragm | Thomas A. Knecht, Roger L. Frick | 1986-03-25 |