Inventor · disambiguated record
John R. Mcwhirter
Also filed as: MCWHIRTER J R · MCWHIRTER JOHN R · MCWHIRTER JOHN RUBEN
12 granted patents·3 pending applications·312 citations·filing 1975–2008
93Inventor score
Files withPENN STATE RES FOUND4GEN SIGNAL CORP2MIXING & MASS TRANSFER TECHNOL2MIXING AND MASS TRANSFER TECHN2UNION CARBIDE CORP2
Top patents by PatentIndex Score
15 records- 0188US5972661AMixing systemsPENN STATE RES FOUND·Filed 1998·Granted Oct 26, 1999·90 cites·5 claims
- 0285US6966983B1Continuous multistage thermophilic aerobic sludge digestion systemMIXING AND MASS TRANSFER TECHN·Filed 2004·Granted Nov 22, 2005·30 cites·29 claims
- 0385US6877959B2Surface aeration impellersMIXING & MASS TRANSFER TECHNOL·Filed 2003·Granted Apr 12, 2005·39 cites·19 claims
- 0485US6464384B2Mixer systemsPENN STATE RES FOUND·Filed 2001·Granted Oct 15, 2002·40 cites·33 claims
- 0579US5988604AMixing impellers especially adapted for use in surface aerationGEN SIGNAL CORP·Filed 1997·Granted Nov 23, 1999·46 cites·19 claims
- 0676US7563374B2Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment processMIXING & MASS TRANSFER TECHNOL·Filed 2007·Granted Jul 21, 2009·5 cites·25 claims
- 0770US6715912B2Surface aeration impellersPENN STATE RES FOUND·Filed 2002·Granted Apr 6, 2004·16 cites·20 claims
- 0866US7329340B2Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systemsMIXING AND MASS TRANSFER TECHN·Filed 2005·Granted Feb 12, 2008·2 cites·17 claims
- 0964US6860631B2Surface aeration impeller designsPENN STATE RES FOUND·Filed 2004·Granted Mar 1, 2005·10 cites·14 claims
- 1061US6299776B1Biochemical oxidation system and processGEN SIGNAL CORP·Filed 1997·Granted Oct 9, 2001·17 cites·18 claims
- 1154USRE29781EHigh oxygen utilization in BOD-containing water treatmentUNION CARBIDE CORP·Filed 1977·Granted Sep 26, 1978·12 cites·10 claims
- 1250US2009035150A1Surface aerator impeller design including stabilizer cylinderMCWHIRTER JOHN R·Filed 2008·Application pending·0 cites
- 1343US2004188334A1Novel biochemical oxidation systemFiled 2004·Application pending·0 cites
- 1441US2004240315A1Slotted draft tube mixing systemsFiled 2003·Application pending·0 cites
- 1528US3963609AIntegral circular wastewater treatment processUNION CARBIDE CORP·Filed 1975·Granted Jun 15, 1976·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →