Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047306 | Top drive drilling system and other applications using a low speed direct drive AC motor | Alvie E. Howard, Jr., Daniel F. McNease, Rudy Harris, Richard O. Bradley | 2011-11-01 |
| 7923946 | Flywheel-based energy storage on a heave-compensating drawworks | — | 2011-04-12 |
| 7851962 | Induction motor utilizing dual stators and a double squirrel cage motor | — | 2010-12-14 |
| 7654355 | Flywheel system for use with electric wheels in a hybrid vehicle | — | 2010-02-02 |
| 7633248 | Flywheel-based energy storage on a heave-compensating drawworks | — | 2009-12-15 |
| 7624830 | Energy recoverable wheel motor | — | 2009-12-01 |
| 7552787 | Energy recoverable wheel motor | — | 2009-06-30 |
| 7500531 | Low speed AC motor for direct drive applications | Alvie E. Howard, Jr., Daniel F. McNease, Rudy Harris, Richard O. Bradley | 2009-03-10 |
| 7282887 | Laser diode triggered soft start controller for a polyphase electric motor | — | 2007-10-16 |
| 7004730 | Integral shaft for use in mud pumps | — | 2006-02-28 |
| 6989650 | AC motor control system using parallel integrated sub systems | — | 2006-01-24 |
| 6794148 | High speed, automated, continuous flow, multi-dimensional molecular selection and analysis | Satish Jindal, Fred E. Regnier, Noubar B. Afeyan, Sandeep Paliwal, David A. Evans +1 more | 2004-09-21 |
| 6499532 | Electric motor cooling system | — | 2002-12-31 |
| 6358692 | High speed, automated, continuous flow, multi-dimensional molecular selection and analysis | Satish Jindal, Fred E. Regnier, Noubar B. Afeyan, Sandeep Paliwal, David A. Evans +1 more | 2002-03-19 |
| 6208111 | Motor starter arrangement with soft start electronic control | — | 2001-03-27 |