Kristin L. Schaefer

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Tyler, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
System and Method for Oil Return in an HVAC system
- Patent number 8,783,048
- Issue date Jul 22, 2014
- Trane International Inc.
- John R. Edens
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
System and method of disabling an HVAC compressor based on a high p...
- Patent number 8,113,789
- Issue date Feb 14, 2012
- Trane International Inc.
- Jonathan D. Douglas
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Oil Return in an HVAC System
- Publication number 20130067943
- Publication date Mar 21, 2013
- Trane International Inc.
- Jonathan David Douglas
- F24 - HEATING RANGES VENTILATING
Information Patent Application
System and Method for Oil Return in an HVAC System
- Publication number 20100123016
- Publication date May 20, 2010
- Trane International, Inc.
- Jonathan D. DOUGLAS
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System and Method for Sump Heater Control in an HVAC System
- Publication number 20100125368
- Publication date May 20, 2010
- Trane International, Inc.
- John J. BAILEY
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
System and Method of Disabling an HVAC Compressor Based on a High P...
- Publication number 20100080712
- Publication date Apr 1, 2010
- Trane International, Inc.
- Jonathan D. Douglas
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...