Coolidge; Gregory T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coolidge; Gregory T..The latest application filed is for "directional control valve".
- Coolidge; Gregory T. - Elyria OH
- Coolidge; Gregory T. - Eylria OH
- Coolidge; Gregory T. - Fort Wayne IN
| Patent | Date |
|---|---|
| Directional control valve Grant 10,156,246 - Coolidge Dec | 2018-12-18 |
| Pressure limited flow priority boost Grant 9,810,334 - Coolidge November 7, 2 | 2017-11-07 |
| Directional Control Valve App 20170306989 - Coolidge; Gregory T. | 2017-10-26 |
| Pressure limited flow spool Grant 9,689,500 - Coolidge June 27, 2 | 2017-06-27 |
| Pressure compensated hydraulic system having differential pressure control Grant 9,429,175 - Coolidge August 30, 2 | 2016-08-30 |
| Pressure Limited Flow Spool App 20150362084 - COOLIDGE; Gregory T. | 2015-12-17 |
| Pressure Limited Flow Priority Boost App 20150362087 - Coolidge; Gregory T. | 2015-12-17 |
| Pressure Compensated Hydraulic System Having Differential Pressure Control App 20130146162 - Coolidge; Gregory T. | 2013-06-13 |
| Control valve with load sense signal conditioning Grant 7,921,878 - Coolidge April 12, 2 | 2011-04-12 |
| Control Valve With Load Sense Signal Conditioning App 20080000535 - Coolidge; Gregory T. | 2008-01-03 |
| Control system with induced load isolation and relief Grant 5,699,665 - Coolidge December 23, 1 | 1997-12-23 |
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