Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945819 | Acoustic transducer assembly for a pressure vessel | — | 2018-04-17 |
| 9217653 | High performance architecture for process transmitters | John P. Schulte | 2015-12-22 |
| 9188489 | Twisted sensor tube | — | 2015-11-17 |
| 8849589 | Multivariable process fluid flow device with energy flow calculation | David E. Wiklund | 2014-09-30 |
| 8800373 | Acoustic transducer assembly for a pressure vessel | — | 2014-08-12 |
| 8655604 | Multivariable process fluid flow device with fast response flow calculation | David E. Wiklund | 2014-02-18 |
| 7724001 | Capacitance sensing circuit | — | 2010-05-25 |
| 7458275 | Welded header for pressure transmitter | Mark G. Romo | 2008-12-02 |
| 6658945 | Vortex flowmeter with measured parameter adjustment | — | 2003-12-09 |
| 6651512 | Ancillary process outputs of a vortex flowmeter | Robert C. Hedtke | 2003-11-25 |
| 6643610 | Process transmitter with orthogonal-polynomial fitting | Ahmed Tewfik | 2003-11-04 |
| 6622573 | Process flow device with improved pressure measurement feature | — | 2003-09-23 |
| 6543297 | Process flow plate with temperature measurement feature | — | 2003-04-08 |
| 6539981 | Flow tube having a bonding layer with a fluoropolymer lining | Brad Lesmeister | 2003-04-01 |
| 6531884 | Diagnostics for piezoelectric sensor | — | 2003-03-11 |
| 6484590 | Method for measuring fluid flow | Robert C. Hedtke, David E. Wiklund | 2002-11-26 |
| 6412353 | Vortex flowmeter with signal processing | Robert C. Hedtke, David E. Wiklund | 2002-07-02 |
| 6311568 | Process flow device with improved pressure measurement feature | — | 2001-11-06 |
| 6170338 | Vortex flowmeter with signal processing | Robert C. Hedtke, David E. Wiklund | 2001-01-09 |
| 5942696 | Rapid transfer function determination for a tracking filter | — | 1999-08-24 |
| 5429001 | Vortex mass flowmeter | — | 1995-07-04 |
| 5372046 | Vortex flowmeter electronics | Roger L. Frick | 1994-12-13 |
| 5003295 | Ice detector probe | — | 1991-03-26 |
| 4980673 | Ice detector circuit | — | 1990-12-25 |
| 4926695 | Rocking beam vortex sensor | Gary P. Corpron | 1990-05-22 |