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Electric progressive cavity pump |
Patrick M. McCartney |
2015-02-03 |
| 7679870 |
On-chip ESD protection circuit using enhancement-mode HEMT/MESFET technology |
Cheng-Kuo Lin, Yu-Chi Wang, Jean Sun |
2010-03-16 |
| 6388353 |
Elongated permanent magnet synchronous motor |
Richard Savoie, Dale C. Smith |
2002-05-14 |
| 6318467 |
System and method for pumping and heating viscous fluids in a wellbore |
Rick Bailey |
2001-11-20 |
| 5128573 |
Rotor bearing for submersible pump motor |
Donald C. Watson |
1992-07-07 |
| 5113101 |
Watertight seal for plug-in type pothead |
Brown Lyle Wilson |
1992-05-12 |
| 5003210 |
Stator and bearing for submersible pump motor |
Donald C. Watson |
1991-03-26 |
| 4358696 |
Permanent magnet synchronous motor rotor |
Paul D. Wagner, John J. Keuper |
1982-11-09 |
| 4358697 |
Two-pole permanent magnet synchronous motor rotor |
Paul D. Wagner, John J. Keuper |
1982-11-09 |
