Schaefer; Kristen L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schaefer; Kristen L..The latest application filed is for "system and method for defrost of an hvac system".
- Schaefer; Kristen L. - Tyler TX US
| Patent | Date |
|---|---|
| System and method for defrost of an HVAC system Grant 8,417,386 - Douglas , et al. April 9, 2 | 2013-04-09 |
| System and method for oil return in an HVAC system Grant 8,327,658 - Douglas , et al. December 11, 2 | 2012-12-11 |
| System and method for sump heater control in an HVAC system Grant 8,116,911 - Bailey , et al. February 14, 2 | 2012-02-14 |
| System and Method for Defrost of an HVAC System App 20100125369 - DOUGLAS; Jonathan D. ; et al. | 2010-05-20 |
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