Inventor · disambiguated record
Roger G. Riefler
Also filed as: RIEFLER ROGER G
9 granted patents·235 citations·filing 1978–2000
90Inventor score
Top patents by PatentIndex Score
9 records- 0188US4244554ASpringless diaphragm valveAUTOMATIC SWITCH CO·Filed 1979·Granted Jan 13, 1981·59 cites·9 claims
- 0282US4178963APilot operated sequencing valveAUTOMATIC SWITCH CO·Filed 1978·Granted Dec 18, 1979·39 cites·14 claims
- 0378US6158466AFour-way flow reversing valve for reversible refrigeration cyclesPARKER HANNIFIN CORP·Filed 2000·Granted Dec 12, 2000·29 cites·18 claims
- 0477US5252939ALow friction solenoid actuator and valvePARKER HANNIFIN CORP·Filed 1992·Granted Oct 12, 1993·35 cites·11 claims
- 0564US5460349AExpansion valve control element for air conditioning systemPARKER HANNIFIN CORP·Filed 1993·Granted Oct 24, 1995·29 cites·22 claims
- 0661US5629660AExpansion valve for air conditioning system with proportional solenoidPARKER HANNIFIN CORP·Filed 1995·Granted May 13, 1997·19 cites·13 claims
- 0749US5295656AExpansion valve for air conditioning system with proportional solenoidPARKER HANNIFIN CORP·Filed 1992·Granted Mar 22, 1994·13 cites·13 claims
- 0845US4649360ASolenoid valve with contractible assembly ringPARKER VANNIFIN CORP·Filed 1986·Granted Mar 10, 1987·9 cites·17 claims
- 0930US5390897AExpansion valve for air conditioning system with proportional solenoidPARKER HANNIFIN CORP·Filed 1993·Granted Feb 21, 1995·3 cites·17 claims
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