Walter R. Key

Person

Indianapolis, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pressure relief system and method for a refrigerator system
- Patent number 5,768,895
- Issue date Jun 23, 1998
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Pressure relief system for a refrigeration system
- Patent number 5,729,991
- Issue date Mar 24, 1998
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Recovery system for very high-pressure refrigerants
- Patent number 5,722,247
- Issue date Mar 3, 1998
- Redi-Controls Inc.
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Pressure relief apparatus and method of use particularly for a refr...
- Patent number 5,673,563
- Issue date Oct 7, 1997
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Mechanical pressure relief valve having a variable position outlet
- Patent number 5,644,930
- Issue date Jul 8, 1997
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Rupture disk fragment collection trap for refrigeration systems
- Patent number 5,577,389
- Issue date Nov 26, 1996
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerant evaporator over-pressure relief system including a flui...
- Patent number 5,542,261
- Issue date Aug 6, 1996
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Portable apparatus for recovery of chlorofluorocarbon (CFC) refrige...
- Patent number 5,339,647
- Issue date Aug 23, 1994
- Redi Controls, Inc.
- Luther D. Albertson
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Walter R. Key

Person

Patents Grantslast 30 patents

Pressure relief system and method for a refrigerator system

Pressure relief system for a refrigeration system

Recovery system for very high-pressure refrigerants

Pressure relief apparatus and method of use particularly for a refr...

Mechanical pressure relief valve having a variable position outlet

Rupture disk fragment collection trap for refrigeration systems

Refrigerant evaporator over-pressure relief system including a flui...

Portable apparatus for recovery of chlorofluorocarbon (CFC) refrige...