Inventor · disambiguated record
Paul William Dufilho
Also filed as: DUFILHO PAUL · DUFILHO PAUL WILLIAM
5 granted patents·3 pending applications·21 citations·filing 2007–2017
77Inventor score
Files withNAT OILWELL VARCO LP3DUFILHO PAUL WILLIAM2DUFILHO PAUL1SCHULTE JR DAVID L1SCHULTE JR DAVID LEE1
Top patents by PatentIndex Score
8 records- 0182US9643111B2Vector maximizing screenNAT OILWELL VARCO LP·Filed 2014·Granted May 9, 2017·6 cites·23 claims
- 0281US10556196B2Vector maximizing screenNAT OILWELL VARCO LP·Filed 2017·Granted Feb 11, 2020·2 cites·23 claims
- 0378US8312995B2Magnetic vibratory screen clampingDUFILHO PAUL·Filed 2010·Granted Nov 20, 2012·6 cites·19 claims
- 0473US8695805B2Magnetic vibratory screen clampingNAT OILWELL VARCO LP·Filed 2012·Granted Apr 15, 2014·3 cites·20 claims
- 0548US8622220B2Vibratory separators and screensSCHULTE JR DAVID LEE·Filed 2007·Granted Jan 7, 2014·4 cites·29 claims
- 0646US2010181265A1Shale shaker with vertical screensSCHULTE JR DAVID L·Filed 2009·Application pending·0 cites
- 0745US2009145816A1Screen assemblies for shale shakersDUFILHO PAUL WILLIAM·Filed 2007·Application pending·0 cites
- 0841US2009145836A1Vibratory separator screens & sealsDUFILHO PAUL WILLIAM·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →