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Wireless process variable transmitter with removable power module |
Cody James Skow, Nicholas Aaron Wienhold, Allen Kempke, Jared Neuharth |
2024-01-23 |
| 9990837 |
Intrinsic safety isolation with capacitive coupling |
Andrew L. Stone |
2018-06-05 |
| 9677919 |
Gauge display system |
Cory Michael Robinson |
2017-06-13 |
| 8847571 |
RF adapter for field device with variable voltage drop |
— |
2014-09-30 |
| 8787848 |
RF adapter for field device with low voltage intrinsic safety clamping |
Brian L. Westfield, Kelly M. Orth |
2014-07-22 |
| 8160535 |
RF adapter for field device |
Robert J. Karschnia, Brian L. Westfield, Kelly M. Orth, David A. Broden |
2012-04-17 |
| 8049361 |
RF adapter for field device with loop current bypass |
Brian L. Westfield |
2011-11-01 |
| 7530278 |
Fluid flow blender and methods |
Mark Daniel Litecky, Grant Bradley Edwards, Dennis Smith |
2009-05-12 |
| 7422028 |
Apparatus for controlling and metering fluid flow |
Dale Nugent, Mark Daniel Litecky |
2008-09-09 |
| RE40128 |
Stabilization in a radar level gauge |
— |
2008-03-04 |
| 7302863 |
Software correction method and apparatus for a variable orifice flow meter |
Grant Bradley Edwards, Dennis Smith |
2007-12-04 |
| 7131451 |
Apparatus for controlling and metering fluid flow |
Dale Nugent, Mark Daniel Litecky |
2006-11-07 |
| 7096744 |
Software correction method and apparatus for a variable orifice flow meter |
Grant Bradley Edwards, Dennis Smith |
2006-08-29 |
| 7082842 |
Software correction method and apparatus for a variable orifice flow meter |
Grant Bradley Edwards |
2006-08-01 |
| 6373261 |
Two-wire level transmitter |
Scott D. Manicor |
2002-04-16 |
| 6300897 |
Stabilization in a radar level gauge |
— |
2001-10-09 |
| 5973942 |
Start up circuit for DC powered field instrument |
Richard L. Nelson |
1999-10-26 |
| 5847567 |
Microwave level gauge with remote transducer |
Randy Longsdorf, Grant Bradley Edwards, Donald F. Palan |
1998-12-08 |
| 5710552 |
Barrier device |
Steven J. McCoy, Mark S. Schumacher, Donald F. Palan, Grant Bradley Edwards, Randy Longsdorf +1 more |
1998-01-20 |
| 5672975 |
Two-wire level transmitter |
Richard L. Nelson, Scott D. Manicor |
1997-09-30 |
| 5187474 |
Digital converter apparatus for improving the output of a two-wire transmitter |
Richard L. Nelson, David L. Pederson |
1993-02-16 |
| 4623266 |
Cold junction compensation for thermocouple |
— |
1986-11-18 |