Ralph A. McClelland

Person

Indianapolis, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Refrigerant recovery device
- Patent number 5,335,512
- Issue date Aug 9, 1994
- K-Whit Tools, Inc.
- John P. Hancock
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charging system controlled by charging pressure change...
- Patent number 5,317,903
- Issue date Jun 7, 1994
- K-Whit Tools, Inc.
- Ralph A. McClelland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant charging system and control system therefor
- Patent number 5,231,841
- Issue date Aug 3, 1993
- Ralph A. McClelland
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery device with vacuum operated check valve
- Patent number 5,222,369
- Issue date Jun 29, 1993
- K-Whit Tools, Inc.
- John P. Hancock
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery device
- Patent number 5,186,017
- Issue date Feb 16, 1993
- K-Whit Tools, Inc.
- John P. Hancock
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Refrigerant recovery device
- Patent number 5,168,721
- Issue date Dec 8, 1992
- K-Whit Tools, Inc.
- John P. Hancock
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant recovery device
- Patent number 4,942,741
- Issue date Jul 24, 1990
- John P. Hancock
- B60 - VEHICLES IN GENERAL

Ralph A. McClelland

Person

Patents Grantslast 30 patents

Refrigerant recovery device

Refrigerant charging system controlled by charging pressure change...

Refrigerant charging system and control system therefor

Refrigerant recovery device with vacuum operated check valve

Refrigerant recovery device

Refrigerant recovery device

Refrigerant recovery device