James Thomas SCHAEFER, JR.

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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 8,327,658
- Issue date Dec 11, 2012
- Trane International, Inc.
- Jonathan D. Douglas
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Device and method for recording air conditioning system information
- Patent number 8,117,862
- Issue date Feb 21, 2012
- Trane International Inc.
- Robert W. Helt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
System and method for controlling working fluid charge in a vapor c...
- Patent number 7,866,172
- Issue date Jan 11, 2011
- Trane International Inc.
- Jonathan David Douglas
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

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 Controlling Working Fluid Charge In A Vapor C...
- Publication number 20100101246
- Publication date Apr 29, 2010
- Trane International Inc.
- Jonathan David DOUGLAS
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...