| 9671265 |
Thermal dispersion mass flow rate, material interface, and liquid level sensing transducer |
— |
2017-06-06 |
| 9228881 |
Method and apparatus for in-situ calibration and function verification of fluid level sensor |
Eric Wible |
2016-01-05 |
| 9010994 |
Flow mixer and conditioner |
Donald G. LUNDBERG |
2015-04-21 |
| 6843110 |
Method and apparatus for validating the accuracy of a flowmeter |
Jeffrey P. Deane |
2005-01-18 |
| 6628202 |
Thermal dispersion mass flow rate and liquid level switch/transmitter |
Samuel Kresch, Agustin J. Rodriguez |
2003-09-30 |
| 6208254 |
Thermal dispersion mass flow rate and liquid level switch/transmitter |
Sam Kresch |
2001-03-27 |
| 5600528 |
Heater cut off circuit and method |
— |
1997-02-04 |
| 5438866 |
Method of making average mass flow velocity measurements employing a heated extended resistance temperature sensor |
— |
1995-08-08 |
| 5355727 |
Method of making average mass flow velocity measurements |
— |
1994-10-18 |
| 5221916 |
Heated extended resistance temperature sensor |
— |
1993-06-22 |
| 5201223 |
Method of sensing fluid flow and level employing a heated extended resistance temperature sensor |
— |
1993-04-13 |
| 5167153 |
Method of measuring physical phenomena using a distributed RTD |
— |
1992-12-01 |
| 5152049 |
Method of making a heated extended resistance temperature sensor |
— |
1992-10-06 |
| 5134772 |
Method of making a U-shaped heated extended resistance temperature sensor |
— |
1992-08-04 |
| 5117216 |
Distributed RTD |
— |
1992-05-26 |
| 5111692 |
Temperature compensated liquid level and fluid flow sensor |
David J. Allen |
1992-05-12 |
| 4994780 |
Heated extended resistance temperature sensor, apparatus for sensing and method of making same |
— |
1991-02-19 |
| 4977385 |
Distributed RTD |
— |
1990-12-11 |
| 4967593 |
Method and apparatus for distinguishing between different substances in a container |
— |
1990-11-06 |
| 4899584 |
Fluidic amplifier for sensing fluid motion |
— |
1990-02-13 |
| 4449403 |
Guide tube inserted liquid level sensor |
— |
1984-05-22 |