Inventor · disambiguated record
Ronald J. Purvey
Also filed as: PURVEY RONALD J
9 granted patents·263 citations·filing 1986–1997
90Inventor score
Top patents by PatentIndex Score
9 records- 0188US5906733ALiquid cleaning system including back-flushing filter and centrifugal cleaner thereforGLACIER METAL CO LTD·Filed 1996·Granted May 25, 1999·52 cites·9 claims
- 0281US5096581ACentrifugal oil filterAE PLC·Filed 1989·Granted Mar 17, 1992·39 cites·2 claims
- 0378US6196962B1Centrifugal separator with vortex disruption vanesFEDERAL MOGUL ENGINEERING LTD·Filed 1997·Granted Mar 6, 2001·48 cites·14 claims
- 0470US6095964ACentrifugal separator with weight thrust bearingGLACIER METAL CO LTD·Filed 1996·Granted Aug 1, 2000·30 cites·4 claims
- 0568US4871458ACentrifugal filtersAE PLC·Filed 1988·Granted Oct 3, 1989·24 cites·4 claims
- 0667US6074336ASeparator with control valve and interlock deviceGLACIER METAL CO LTD·Filed 1997·Granted Jun 13, 2000·32 cites·15 claims
- 0765US4787975ADisposable cartridges for centrifugal separatorsAE PLC·Filed 1986·Granted Nov 29, 1988·22 cites·13 claims
- 0843US5975245ATemperature regulating liquid conditioning arrangementGLACIER METAL CO LTD·Filed 1996·Granted Nov 2, 1999·14 cites·5 claims
- 0930USRE39704ECentrifugal separator with weight thrust bearingMANN & HUMMEL FILTER·Filed 1996·Granted Jun 26, 2007·2 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →