MacHarg; John P.
Patent Applications and Registrations
Patent applications and USPTO patent grants for MacHarg; John P..The latest application filed is for "banded ceramic valve and/or port plate".
- MacHarg; John P. - Ventura CA US
| Patent | Date |
|---|---|
| Rotary axial piston pump Grant 10,309,380 - MacHarg | 2019-06-04 |
| Banded ceramic valve and/or port plate Grant 10,094,364 - MacHarg October 9, 2 | 2018-10-09 |
| Banded Ceramic Valve And/or Port Plate App 20160281505 - MacHarg; John P. | 2016-09-29 |
| Rotary Axial Piston Pump App 20130118346 - MacHarg; John P. | 2013-05-16 |
| Combined axial piston liquid pump and energy recovery pressure exchanger Grant 8,419,940 - MacHarg April 16, 2 | 2013-04-16 |
| Axial piston machine Grant 7,988,428 - MacHarg August 2, 2 | 2011-08-02 |
| Combined Axial Piston Liquid Pump and Energy Recovery Pressure Exchanger App 20110006006 - MacHarg; John P. | 2011-01-13 |
| Combined axial piston liquid pump and energy recovery pressure exchanger Grant 7,799,221 - MacHarg September 21, 2 | 2010-09-21 |
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