Assignee
BERTRAM RICHARD D
GB·4 granted patents·1 pending application·2 citations·filing 2008–2011
Top patents by PatentIndex Score
5 records- 0166US8404627B2Detergent comprising C10 to C40 hydrocarbyl substituted hydroxybenzoates for reducing asphaltene precipitationBERTRAM RICHARD D·Filed 2009·Granted Mar 26, 2013·2 cites·24 claims
- 0253US9023775B2Lubricating oil compositionBERTRAM RICHARD D·Filed 2008·Granted May 5, 2015·0 cites·2 claims
- 0349US8399392B2Method of reducing asphaltene precipitation in an engine utilizing a C22 hydrocarbyl salicylateBERTRAM RICHARD D·Filed 2009·Granted Mar 19, 2013·0 cites·27 claims
- 0443US8703676B2Marine engine lubricationBERTRAM RICHARD D·Filed 2010·Granted Apr 22, 2014·0 cites·10 claims
- 0536US2011245120A1Lubricating Oil CompositionBERTRAM RICHARD D·Filed 2011·Application pending·0 cites
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