Inventor · disambiguated record
John M. Ruddock
Also filed as: RUDDOCK JOHN · RUDDOCK JOHN M
4 granted patents·66 citations·filing 1996–2009
78Inventor score
Technology areasB01D
Top patents by PatentIndex Score
4 records- 0182US8236176B2Replaceable filter cartridgeFALL RONALD E·Filed 2009·Granted Aug 7, 2012·20 cites·18 claims
- 0275US7175030B2High capacity depth filter bagPARKER HANNIFIN CORP·Filed 2006·Granted Feb 13, 2007·7 cites·7 claims
- 0360US7073670B2High capacity depth filter bagPARKER HANNIFIN CORP·Filed 2002·Granted Jul 11, 2006·9 cites·5 claims
- 0459US5639370ACompound layer resin bonded filter cartridgePARKER HANNIFIN CORP·Filed 1996·Granted Jun 17, 1997·30 cites·47 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →