Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8817266 | Gas separators with fiber optic sensors | Brown Lyle Wilson, Donn J. Brown | 2014-08-26 |
| 8801360 | Centrifugal pump with thrust balance holes in diffuser | Brown Lyle Wilson | 2014-08-12 |
| 8746353 | Vibration method to detect onset of gas lock | Michael Forsberg, Brown Lyle Wilson, Donn J. Brown, Dehao Zhu | 2014-06-10 |
| 8537364 | Fiber optic measurement of parameters for downhole pump diffuser section | Earl B. Brookbank, Suresha R. O'Bryan, Michael Forsberg | 2013-09-17 |
| 8485798 | Pump apparatus, systems and methods | Thurkral Mandeep, John David Rowatt, Steven L. Anyan, Michael W. Miller | 2013-07-16 |
| 8439119 | Latching mechanism for changing pump size | Steven K. Tetzlaff | 2013-05-14 |
| 8358043 | Enhanced thermal conductivity material in annular gap between electrical motor stator and housing | Steven K. Tetzlaff, John M. Knapp, Earl B. Brookbank, William F. Pranger, Thien Q. Tran +1 more | 2013-01-22 |
| 8076809 | Additives for improving motor oil properties | Kevin S. Tingler, Suresha R. O'Bryan, Jianzhong Yang, Tauseef Salma | 2011-12-13 |
| 7861777 | Viscometer for downhole pumping | John L. Bearden | 2011-01-04 |
| 7775779 | Pump apparatus, systems and methods | Thurkral Mandeep, John David Rowatt, Steven L. Anyan, Michael W. Miller | 2010-08-17 |
| 7326034 | Pump apparatus and methods of making and using same | Janet Savarimuthu | 2008-02-05 |
| 6425735 | Clamp for a horizontal skid which allows axial movement of pump | — | 2002-07-30 |
| 6206093 | System for pumping viscous fluid from a well | Woon Yung Lee, Diego Narvaez, William B. Newberry, Jr. | 2001-03-27 |
| 6106224 | Downthrust pads for submersible centrifugal pumps | Dwight C. Chilcoat | 2000-08-22 |
| 6068444 | Submergible centrifugal pump having improved diffuser bushings | — | 2000-05-30 |
| 5755288 | Downhole gas compressor | John L. Bearden, Fred S. Martin | 1998-05-26 |
| 5605193 | Downhole gas compressor | John L. Bearden, Fred S. Martin | 1997-02-25 |
| 5207810 | Submersible well pump gas separator | — | 1993-05-04 |
| 4838758 | Reduced diameter downthrust pad for a centrifugal pump | — | 1989-06-13 |