Inventor
KENYON RICHARD L
US16 patents
Patents
16 patentsUS4684368AAug 4, 1987
Inverted pump
PARKER HANNIFIN CORP151 citations97
US5877476AMar 2, 1999
Apparatus and method for mass flow control of a working fluid
PARKER HANNIFIN CORP19 citations92
US5522231AJun 4, 1996
Apparatus and method for mass flow control of a working fluid
PARKER HANNIFIN CORP30 citations91
US5477701ADec 26, 1995
Apparatus and method for mass flow control of a working fluid
PARKER HANNIFIN CORP22 citations91
US5460349AOct 24, 1995
Expansion valve control element for air conditioning system
PARKER HANNIFIN CORP29 citations91
US5289692AMar 1, 1994
Apparatus and method for mass flow control of a working fluid
PARKER HANNIFIN CORP51 citations91
US6460354B2Oct 8, 2002
Method and apparatus for detecting low refrigerant charge
PARKER HANNIFIN CORP35 citations90
US5144801ASep 8, 1992
Electro-hydraulic actuator system
PARKER HANNIFIN CORP82 citations90
US5629660AMay 13, 1997
Expansion valve for air conditioning system with proportional solenoid
PARKER HANNIFIN CORP19 citations89
US4831833AMay 23, 1989
Frost detection system for refrigeration apparatus
PARKER HANNIFIN CORP86 citations89
US5295656AMar 22, 1994
Expansion valve for air conditioning system with proportional solenoid
PARKER HANNIFIN CORP13 citations80
US3945395AMar 23, 1976
Vent and relief valve
PARKER HANNIFIN CORP11 citations74
US5660052AAug 26, 1997
Apparatus and method for detecting characteristics of a working fluid
PARKER HANNIFIN CORP15 citations72
US5335513AAug 9, 1994
Apparatus and method for detecting characteristics of a working fluid
PARKER HANNIFIN CORP17 citations72
US4524906AJun 25, 1985
Temperature control valve and sensor/controller therefor
PARKER HANNIFIN CORP17 citations67
US5390897AFeb 21, 1995
Expansion valve for air conditioning system with proportional solenoid
PARKER HANNIFIN CORP3 citations61