John B. Greenfield

Person

Fort Smith, AR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Double-walled cabinet structure for air conditioning equipment
- Patent number 5,255,969
- Issue date Oct 26, 1993
- Rheem Manufacturing Company
- Jimmy L. Cox
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant coil fabrication methods
- Patent number 5,228,197
- Issue date Jul 20, 1993
- Rheem Manufacturing Company
- Jimmy L. Cox
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Refrigerant coil apparatus and associated condensate drain pan stru...
- Patent number 5,207,074
- Issue date May 4, 1993
- Rheem Manufacturing Company
- Jimmy L. Cox
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Double-walled cabinet structure for air conditioning equipment
- Patent number 5,170,550
- Issue date Dec 15, 1992
- Rheem Manufacturing Company
- Jimmy L. Cox
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Compact modular refrigerant coil apparatus and associated manufactu...
- Patent number 5,121,613
- Issue date Jun 16, 1992
- Rheem Manufacturing Company
- Jimmy L. Cox
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar and convection assisted heat pump system
- Patent number 4,571,952
- Issue date Feb 25, 1986
- Rheem Manufacturing Company
- John B. Greenfield
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Grill panel and motor mount assembly
- Patent number 4,171,937
- Issue date Oct 23, 1979
- Rheem Manufacturing Company
- John B. Greenfield
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Resilient mounting for fan motor
- Patent number 4,043,708
- Issue date Aug 23, 1977
- Rheem Manufacturing Company
- John B. Greenfield
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

John B. Greenfield

Person

Patents Grantslast 30 patents

Double-walled cabinet structure for air conditioning equipment

Refrigerant coil fabrication methods

Refrigerant coil apparatus and associated condensate drain pan stru...

Double-walled cabinet structure for air conditioning equipment

Compact modular refrigerant coil apparatus and associated manufactu...

Solar and convection assisted heat pump system

Grill panel and motor mount assembly

Resilient mounting for fan motor