Inventor
RIEFLER ROGER G
US9 patents
⚠️ This page may combine multiple inventors who share the name “RIEFLER ROGER G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PARKER HANNIFIN CORP
6 patentsUS5252939AOct 12, 1993
Low friction solenoid actuator and valve
PARKER HANNIFIN CORP35 citations92
US6158466ADec 12, 2000
Four-way flow reversing valve for reversible refrigeration cycles
PARKER HANNIFIN CORP29 citations91
US5460349AOct 24, 1995
Expansion valve control element for air conditioning system
PARKER HANNIFIN CORP29 citations91
US5629660AMay 13, 1997
Expansion valve for air conditioning system with proportional solenoid
PARKER HANNIFIN CORP19 citations89
US5295656AMar 22, 1994
Expansion valve for air conditioning system with proportional solenoid
PARKER HANNIFIN CORP13 citations80
US5390897AFeb 21, 1995
Expansion valve for air conditioning system with proportional solenoid
PARKER HANNIFIN CORP3 citations61