Gram; Martin M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gram; Martin M..The latest application filed is for "torque transfer coupling".
- Gram; Martin M. - Minneapolis MN US
- Gram, Martin M. - St. Louis Park MN
| Patent | Date |
|---|---|
| Torque transfer coupling Grant 8,485,048 - Bushey , et al. July 16, 2 | 2013-07-16 |
| Wind turbine drive train test assembly Grant 8,453,522 - Bushey , et al. June 4, 2 | 2013-06-04 |
| Torque Transfer Coupling App 20110028224 - Bushey; John A. ; et al. | 2011-02-03 |
| Wind Turbine Drive Train Test Assembly App 20110023629 - Bushey; John A. ; et al. | 2011-02-03 |
| Blast simulator with high velocity actuator Grant 7,726,124 - Gram June 1, 2 | 2010-06-01 |
| Blast simulator with high velocity actuator App 20080190286 - Gram; Martin M. | 2008-08-14 |
| Lock-up device App 20030024382 - Gram, Martin M. | 2003-02-06 |
| Mass oscillator having an adjustable gas spring Grant 5,491,306 - Gram February 13, 1 | 1996-02-13 |
| Material testing system providing simultaneous force loads Grant 5,425,276 - Gram , et al. June 20, 1 | 1995-06-20 |
| Screw-driven actuator for test frame Grant 4,869,112 - Gram , et al. September 26, 1 | 1989-09-26 |
| Load frame crosshead construction Grant 4,478,086 - Gram October 23, 1 | 1984-10-23 |
| Hydraulic press Grant 4,457,684 - Gram July 3, 1 | 1984-07-03 |
| Tension-compression swivel joint with hydraulic force reaction Grant 4,318,572 - Noha , et al. March 9, 1 | 1982-03-09 |
| High volume poppet valve with orifice opening speed control Grant 4,290,343 - Gram September 22, 1 | 1981-09-22 |
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