Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11243134 | Pressure sensing device isolation cavity seal monitoring | Eugene Korolev | 2022-02-08 |
| 9869599 | High-temperature pressure sensing | David G. Tyson | 2018-01-16 |
| 9778074 | Process measurement system with variable amplitude sensor excitation | — | 2017-10-03 |
| 9628104 | High resolution sigma delta modulator for capacitance sensor terminal displacement measurement | Rongtai Wang | 2017-04-18 |
| 9473303 | Method and system for product authentication | Robert C. Hedtke, Dale Scott Davis | 2016-10-18 |
| 9264787 | Communication system for process field device | Eugene Korolev | 2016-02-16 |
| 9217653 | High performance architecture for process transmitters | Lowell A. Kleven | 2015-12-22 |
| 9157763 | Minimal dead time digitally compensated process transmitter | Steven R. Trimble, Troy M. Reller | 2015-10-13 |
| 9136886 | Digitally compensated process transmitter with minimal dead time | — | 2015-09-15 |
| 8982989 | Process variable transmitter with variable frequency clock circuit for rejection of clock synchronous noise | Peter Flanagan, David G. Tyson, Eugene Korolev | 2015-03-17 |
| 8786128 | Two-wire industrial process field device with power scavenging | — | 2014-07-22 |
| 8578783 | Process fluid pressure transmitter with separated sensor and sensor electronics | Robert C. Hedtke, David A. Broden | 2013-11-12 |
| 8340791 | Process device with sampling skew | — | 2012-12-25 |
| 8234927 | Differential pressure sensor with line pressure measurement | David G. Tyson, Andrew J. Klosinski | 2012-08-07 |
| 7970063 | Variable liftoff voltage process field device | — | 2011-06-28 |
| 7918134 | Thermal-based diagnostic system for process transmitter | Robert C. Hedtke, Charles R. Willcox, David A. Broden, Andrew J. Klosinski | 2011-04-05 |
| 7808379 | Mode selectable field transmitter | Robert C. Hedtke, Steven R. Trimble | 2010-10-05 |
| 7484416 | Process control transmitter with vibration sensor | Andrew J. Klosinski | 2009-02-03 |
| 7467555 | Pressure transmitter with multiple reference pressure sensors | Mark G. Romo, Stanley E. Rud, Jr. | 2008-12-23 |
| 6898980 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Roger L. Frick, Robert C. Hedtke +5 more | 2005-05-31 |
| 6834258 | Field transmitter with diagnostic self-test mode | Rongtai Wang | 2004-12-21 |
| 6828802 | Pressure measurement device including a capacitive sensor in an amplifier feedback path | — | 2004-12-07 |
| 6568279 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Roger L. Frick, Robert C. Hedtke +5 more | 2003-05-27 |
| 6457367 | Scalable process transmitter | Steven M. Behm, Dale Scott Davis, Mark Fandrey, Roger L. Frick, Robert C. Hedtke +5 more | 2002-10-01 |
| 5705978 | Process control transmitter | Roger L. Frick, Ahmed Tewfik | 1998-01-06 |