Donald E. Porterfield

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Lascassas, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Full support heating element apparatus
- Patent number 9,504,097
- Issue date Nov 22, 2016
- Backer EHP Inc.
- Lucas Lee Fowler
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Track system for heater assembly
- Patent number 8,571,395
- Issue date Oct 29, 2013
- Backer EHP Inc.
- Donald E. Porterfield
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Air conditioning apparatus with blower and electric heater in commo...
- Patent number 6,950,606
- Issue date Sep 27, 2005
- Advanced Distributor Products LLC
- Colby W. Logan
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
FULL SUPPORT HEATING ELEMENT APPARATUS
- Publication number 20140231412
- Publication date Aug 21, 2014
- Backer EHP Inc.
- Lucas Lee Fowler
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
TRACK SYSTEM FOR HEATER ASSEMBLY
- Publication number 20120074129
- Publication date Mar 29, 2012
- Emerson Electric Co.
- Donald E. Porterfield
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
RESISTIVE HEATING ELEMENT FOR ELECTRICAL HEATING
- Publication number 20100237059
- Publication date Sep 23, 2010
- Emerson Electric Co.
- Donald E. Porterfield
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Electrical component seal boot
- Publication number 20060255891
- Publication date Nov 16, 2006
- Donald E. Porterfield
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
AIR CONDITIONING APPARATUS WITH BLOWER AND ELECTRIC HEATER IN COMMO...
- Publication number 20050147400
- Publication date Jul 7, 2005
- Advanced Distributor Products LLC
- Colby W. Logan
- F24 - HEATING RANGES VENTILATING