| 10087743 |
Fluid level determination apparatus and method of determining a fluid level in a hydrocarbon well |
Dennis Duncan Earl |
2018-10-02 |
| 9127536 |
Tool for use in well monitoring |
— |
2015-09-08 |
| 8353339 |
Apparatus for the measuring of fluid levels and pumping of the same |
Sanford A. Burris |
2013-01-15 |
| 8281853 |
Tool for use in well monitoring |
Sanford A. Burris |
2012-10-09 |
| 7371287 |
Substrate handling system |
Norman L. Shaver, Timothy A. Ellis |
2008-05-13 |
| D524716 |
Trolling motor mount for pleasure boats |
— |
2006-07-11 |
| 6315450 |
Diaphragm preload air bearing |
Philip James Hipol |
2001-11-13 |
| 6085836 |
Well pump control using multiple sonic level detectors |
Sanford A. Burris, Karl F. Scheucher |
2000-07-11 |
| 5900844 |
Wide bandwidth antenna arrays |
— |
1999-05-04 |
| 5835198 |
Articulated platform mechanism for laser pattern generation on a workpiece |
James A. Covello |
1998-11-10 |
| RE33690 |
Level sensor |
Harold P. Adams, Jr., Andrew B. Maitland, William E. Banton, Lee M. Richey, David Taylor |
1991-09-17 |
| 4747451 |
Level sensor |
Harold P. Adams, Jr., Lee M. Richey, Andrew B. Maitland, William E. Banton, David Taylor |
1988-05-31 |