| 10416187 |
Electromagnetic boat speedometer having removable electrodes |
— |
2019-09-17 |
| 9983223 |
Electromagnetic boat speedometer having boundary layer velocity compensation |
— |
2018-05-29 |
| 9429588 |
Electromagnetic boat speedometer having removable electrodes |
— |
2016-08-30 |
| 9116060 |
Auto-zeroing absolute pressure sensor |
David A. Ashman, Timothy Higgins |
2015-08-25 |
| 8434371 |
Electromagnetic fluid velocity sensor with adjustable electrodes |
— |
2013-05-07 |
| 6598487 |
Magnetic flowmeter having a separable magnet/electrode assembly |
— |
2003-07-29 |
| 5811688 |
Open channel flowmeter utilizing surface velocity and lookdown level devices |
Donald B. Heckman |
1998-09-22 |
| 5684250 |
Self-calibrating open-channel flowmeter |
John D. Wright |
1997-11-04 |
| 5594179 |
Tracer type flowmeter and method using two or more injected trace materials |
— |
1997-01-14 |
| 5398552 |
Magnetic flowmeter having a separable magnetic assembly |
— |
1995-03-21 |
| 5385056 |
Pump station flowmeter |
John D. Wright |
1995-01-31 |
| 5313842 |
Pump station flowmeter with sudden high inflow change detector |
John D. Wright |
1994-05-24 |
| 5263374 |
Flowmeter with concentrically arranged electromagnetic field |
— |
1993-11-23 |
| 4688432 |
Averaging velocity sensor for measuring fluid flow in a conduit |
— |
1987-08-25 |
| 4549434 |
Pressure level sensor |
— |
1985-10-29 |
| 4459858 |
Flow meter having an electromagnetic sensor probe |
— |
1984-07-17 |
| 4232532 |
Apparatus for controlling the temperature of a bottle |
— |
1980-11-11 |