Hart; Charles M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hart; Charles M..The latest application filed is for "environmentally friendly heatpump system".
- Hart; Charles M. - Washington MO
- Hart; Charles M. - New Castle PA
- Hart; Charles M. - Stinnett TX
- Hart; Charles M. - Concord Township Lake County
- Hart; Charles M. - Norco CA
| Patent | Date |
|---|---|
| Calcium silicate hydrate material for use as ballast in thermostatic expansion valve Grant 7,513,684 - Hart April 7, 2 | 2009-04-07 |
| Environmentally Friendly Heatpump System App 20090000318 - Hart; Charles M. | 2009-01-01 |
| Calcium silicate hydrate material for use as ballast in thermostatic expansion valve App 20060182164 - Hart; Charles M. | 2006-08-17 |
| Tightening a fiber roll cover Grant 7,051,554 - Hart May 30, 2 | 2006-05-30 |
| Tightening a fiber roll cover App 20050138968 - Hart, Charles M. | 2005-06-30 |
| Roller with brush roll between mandrel and sleeve App 20020104358 - Hart, Charles M. | 2002-08-08 |
| Ceramic fiber insulation material Grant 6,287,994 - Hart September 11, 2 | 2001-09-11 |
| Compressed shape of ceramic fiber Grant 6,043,173 - Hart March 28, 2 | 2000-03-28 |
| Extended wear rod guide and method Grant 5,755,284 - Hart , et al. May 26, 1 | 1998-05-26 |
| Wear resistant ceramic fiber conveyor rolls Grant 5,355,996 - Hart October 18, 1 | 1994-10-18 |
| Field installable rod guide and method Grant 5,339,896 - Hart , et al. August 23, 1 | 1994-08-23 |
| Spray Dispenser Having A Capacitor Discharge Timer Grant 3,584,766 - Hart , et al. June 15, 1 | 1971-06-15 |
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