Merlin K. Chapin

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Marshalltown, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Air conditioning wiring system
- Patent number 8,444,442
- Issue date May 21, 2013
- Lennox Industries Inc.
- Steven C. Brown
- G05 - CONTROLLING REGULATING
Information Patent Grant
Air conditioning wiring system
- Patent number 8,123,571
- Issue date Feb 28, 2012
- Lennox Industries Inc.
- Steven C. Brown
- G05 - CONTROLLING REGULATING
Information Patent Grant
Space conditioning system with outdoor air and refrigerant heat con...
- Patent number 6,427,461
- Issue date Aug 6, 2002
- Lennox Industries Inc.
- John S. Whinery
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat pump apparatus for heating liquid
- Patent number 5,984,198
- Issue date Nov 16, 1999
- Lennox Manufacturing Inc.
- Gregory S. Bennett
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Variable air volume system
- Patent number 4,099,553
- Issue date Jul 11, 1978
- Lennox Industries, Inc.
- Roger R. Burnham
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
AIR CONDITIONING WIRING SYSTEM
- Publication number 20120122323
- Publication date May 17, 2012
- Steven C. Brown
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AIR CONDITIONING WIRING SYSTEM
- Publication number 20100293991
- Publication date Nov 25, 2010
- Lennox Industries, Incorporated
- Steven C. Brown
- G06 - COMPUTING CALCULATING COUNTING