Inventor · disambiguated record
William J. Barbier
Also filed as: BARBIER WILLIAM · BARBIER WILLIAM J
16 granted patents·1 pending application·709 citations·filing 1979–2002
95Inventor score
Files withSPORLAN VALVE CO4BARBIER WILLIAM J2CONCEPT TECHNOLOGY INC2HANSEN TECHNOLOGIES CORP2AC & R COMPONENTS INC1
Top patents by PatentIndex Score
17 records- 0197US6578373B1Rate of change detector for refrigerant floodbackFiled 2001·Granted Jun 17, 2003·124 cites·26 claims
- 0296US4448038ARefrigeration control system for modulating electrically-operated expansion valvesSPORLAN VALVE CO·Filed 1982·Granted May 15, 1984·102 cites·2 claims
- 0385US5072595AApparatus for detecting small bubbles in a pressurized fluid streamBARBIER WILLIAM J·Filed 1990·Granted Dec 17, 1991·63 cites·12 claims
- 0484US5278426AOptical liquid level sensor for pressurized systems utilizing prismatic elementBARBIER WILLIAM J·Filed 1993·Granted Jan 11, 1994·53 cites·9 claims
- 0584US4809129ALiquid level control system for refrigeration apparatusHANSEN TECHNOLOGIES CORP·Filed 1987·Granted Feb 28, 1989·50 cites·7 claims
- 0681US4442680APilot-operated pressure regulator valveSPORLAN VALVE CO·Filed 1982·Granted Apr 17, 1984·41 cites·4 claims
- 0779US4362027ARefrigeration control system for modulating electrically-operated expansion valvesSPORLAN VALVE CO·Filed 1979·Granted Dec 7, 1982·37 cites·2 claims
- 0877US6557412B1Non-fouling liquid level controlFiled 2001·Granted May 6, 2003·30 cites·24 claims
- 0977US5765994ALow oil detector with automatic resetFiled 1995·Granted Jun 16, 1998·51 cites·10 claims
- 1077US5103648AOil level control systemAC & R COMPONENTS INC·Filed 1990·Granted Apr 14, 1992·41 cites·28 claims
- 1173US5031068ALiquid level control system for refrigeration apparatusHANSEN TECHNOLOGIES CORP·Filed 1988·Granted Jul 9, 1991·32 cites·8 claims
- 1272US6664558B1Non-prismatic optical liquid level sensing assemblyCONCEPT TECHNOLOGY INC·Filed 2002·Granted Dec 16, 2003·19 cites·11 claims
- 1365US4425767ARefrigeration control system for modulating electrically-operated expansion valvesSPORLAN VALVE CO·Filed 1982·Granted Jan 17, 1984·25 cites·9 claims
- 1446US5627770ASuperheat gage with plug-in data moduleCONCEPT TECHNOLOGY INC·Filed 1995·Granted May 6, 1997·15 cites·20 claims
- 1545US4934156AEvaporator pressure regulating valve controlled by an auxiliary force for a refrigerator installationDANFOSS AS·Filed 1989·Granted Jun 19, 1990·11 cites·5 claims
- 1640US5539674AMinimum reading pressure gage with dual function sensorJ B IND·Filed 1993·Granted Jul 23, 1996·15 cites·18 claims
- 1733US2001030596A1Protective construction for piezo-resistive pressure transducerFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →