Roy M. Yabuki

Person

Los Angeles, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting low refrigerant charge
- Patent number 6,460,354
- Issue date Oct 8, 2002
- Parker-Hannifin Corporation
- Roy M. Yabuki
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for mass flow control of a working fluid
- Patent number 5,877,476
- Issue date Mar 2, 1999
- Parker-Hannifin Corp.
- Roy M. Yabuki
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for detecting characteristics of a working fluid
- Patent number 5,660,052
- Issue date Aug 26, 1997
- Parker-Hannifin Corporation
- Richard L. Kenyon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for mass flow control of a working fluid
- Patent number 5,522,231
- Issue date Jun 4, 1996
- Parker-Hannifin Corporation
- Richard L. Kenyon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus and method for mass flow control of a working fluid
- Patent number 5,477,701
- Issue date Dec 26, 1995
- Parker-Hannifin Corporation
- Richard L. Kenyon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Expansion valve control element for air conditioning system
- Patent number 5,460,349
- Issue date Oct 24, 1995
- Parker-Hannifin Corporation
- Chester D. Campbell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Expansion valve for air conditioning system with proportional solenoid
- Patent number 5,390,897
- Issue date Feb 21, 1995
- Parker-Hannifin Corporation
- Chester D. Campbell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for detecting characteristics of a working fluid
- Patent number 5,335,513
- Issue date Aug 9, 1994
- Parker-Hannifin Corporation
- Chester D. Campbell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Expansion valve for air conditioning system with proportional solenoid
- Patent number 5,295,656
- Issue date Mar 22, 1994
- Parker-Hannifin Corporation
- Chester D. Campbell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method for mass flow control of a working fluid
- Patent number 5,289,692
- Issue date Mar 1, 1994
- Parker-Hannifin Corporation
- Chester D. Campbell
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DETECTING LOW REFRIGERANT CHARGE
- Publication number 20020121100
- Publication date Sep 5, 2002
- Roy M. Yabuki
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Roy M. Yabuki

Person

Patents Grantslast 30 patents

Method and apparatus for detecting low refrigerant charge

Apparatus and method for mass flow control of a working fluid

Apparatus and method for detecting characteristics of a working fluid

Apparatus and method for mass flow control of a working fluid

Apparatus and method for mass flow control of a working fluid

Expansion valve control element for air conditioning system

Expansion valve for air conditioning system with proportional solenoid

Apparatus and method for detecting characteristics of a working fluid

Expansion valve for air conditioning system with proportional solenoid

Apparatus and method for mass flow control of a working fluid

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR DETECTING LOW REFRIGERANT CHARGE