Inventor · disambiguated record
Ralph Evans Killen
Also filed as: KILLEN RALPH EVANS
2 granted patents·1 pending application·11 citations·filing 2012–2015
56Inventor score
Top patents by PatentIndex Score
3 records- 0185US9079141B2Vortex-type mixing device for a down-flow hydroprocessing reactorBOYAK CRAIG·Filed 2012·Granted Jul 14, 2015·8 cites·14 claims
- 0275US9199213B2Fixed-bed catalyst support for a hydroprocessing reactorBOYAK CRAIG·Filed 2012·Granted Dec 1, 2015·3 cites·10 claims
- 0347US2015375188A1Fixed-bed catalyst support for a hydroprocessing reactorCHEVRON USA INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →