Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7330271 | Electromagnetic resonant sensor with dielectric body and variable gap cavity | — | 2008-02-12 |
| 7043115 | Tunable optical filter | — | 2006-05-09 |
| 7003187 | Optical switch with moveable holographic optical element | Charles R. Willcox | 2006-02-21 |
| 6987901 | Optical switch with 3D waveguides | — | 2006-01-17 |
| 6901101 | Optical sensor for measuring physical and material properties | — | 2005-05-31 |
| 6898980 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Robert C. Hedtke, Richard L. Nelson +5 more | 2005-05-31 |
| 6873277 | Multi-phase measurement system with synchronized sigma delta converters | — | 2005-03-29 |
| 6810176 | Integrated transparent substrate and diffractive optical element | Charles R. Willcox | 2004-10-26 |
| 6609427 | Gas fill system in a pressure transmitter | Brian L. Westfield, Robert C. Hedtke, Weston Roper, Mark Fandrey, Scott Nelson +3 more | 2003-08-26 |
| 6568279 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Robert C. Hedtke, Richard L. Nelson +5 more | 2003-05-27 |
| 6520020 | Method and apparatus for a direct bonded isolated pressure sensor | Mark A. Lutz, Fred C. Sittler, Adrian C. Toy | 2003-02-18 |
| 6508131 | Process sensor module having a single ungrounded input/output conductor | — | 2003-01-21 |
| 6505516 | Capacitive pressure sensing with moving dielectric | Charles R. Willcox | 2003-01-14 |
| 6487912 | Preinstallation of a pressure sensor module | Steven M. Behm, Richard L. Nelson, Robert C. Hedtke, Scott Nelson, Mark Fandrey +4 more | 2002-12-03 |
| 6484585 | Pressure sensor for a pressure transmitter | Fred C. Sittler | 2002-11-26 |
| 6457367 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Robert C. Hedtke, Richard L. Nelson +5 more | 2002-10-01 |
| 6295875 | Process pressure measurement devices with improved error compensation | Stanley E. Rud Jr., David A. Broden | 2001-10-02 |
| 6089097 | Elongated pressure sensor for a pressure transmitter | Bennett L. Louwagie, Adrian C. Toy | 2000-07-18 |
| 6082199 | Pressure sensor cavity etched with hot POCL.sub.3 gas | Bennett L. Louwagie, Adrian C. Toy | 2000-07-04 |
| 6079276 | Sintered pressure sensor for a pressure transmitter | Bennett L. Louwagie, Adrian C. Toy | 2000-06-27 |
| 6003219 | Method of making a pressure transmitter having pressure sensor having cohered surfaces | Gregory C. Brown | 1999-12-21 |
| 5705978 | Process control transmitter | Ahmed Tewfik, John P. Schulte | 1998-01-06 |
| 5637802 | Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates | Bennett L. Louwagie, Adrian C. Toy | 1997-06-10 |
| 5524492 | Pressure transmitter isolation diaphragm | Robert K. Snyder | 1996-06-11 |
| 5483834 | Suspended diaphragm pressure sensor | — | 1996-01-16 |