Inventor · disambiguated record
Ralph Edward Barthel
Also filed as: BARTHEL RALPH · BARTHEL RALPH E · BARTHEL RALPH EDWARD
8 granted patents·5 pending applications·64 citations·filing 2012–2024
84Inventor score
Top patents by PatentIndex Score
13 records- 0196US9725645B2Proppant with composite coatingPREFERRED TECH LLC·Filed 2013·Granted Aug 8, 2017·41 cites·21 claims
- 0289US9290690B2Coated and cured proppantsPREFERRED TECHNOLOGY LLC·Filed 2012·Granted Mar 22, 2016·8 cites·9 claims
- 0387US10208242B2Proppant with polyurea-type coatingPREFERRED TECH LLC·Filed 2016·Granted Feb 19, 2019·3 cites·16 claims
- 0487US9518214B2Proppant with polyurea-type coatingPREFERRED TECH LLC·Filed 2013·Granted Dec 13, 2016·6 cites·15 claims
- 0586US10100247B2Proppant with enhanced interparticle bondingPREFERRED TECH LLC·Filed 2013·Granted Oct 16, 2018·5 cites·18 claims
- 0680US10544358B2Coated and cured proppantsPREFERRED TECH LLC·Filed 2016·Granted Jan 28, 2020·1 cites·15 claims
- 0775US11760924B2Proppant with enhanced interparticle bondingPREFERRED TECH LLC·Filed 2021·Granted Sep 19, 2023·0 cites·20 claims
- 0869US11098242B2Proppant with enhanced interparticle bondingPREFERRED TECH LLC·Filed 2018·Granted Aug 24, 2021·0 cites·17 claims
- 0969US2020115627A1Flash Coating Treatments For Proppant SolidsPREFERRED TECH LLC·Filed 2019·Application pending·0 cites
- 1064US2025163308A1Epoxy curative compositions and methods of using the sameUNIVAR SOLUTIONS LLC·Filed 2024·Application pending·0 cites
- 1156US2015119301A1Flash Coating Treatments For Proppant SolidsPREFERRED TECHNOLOGY LLC·Filed 2014·Application pending·0 cites
- 1252US2015315459A1Flash Coating Treatments For Proppant SolidsPREFERRED TECHNOLOGY LLC·Filed 2015·Application pending·0 cites
- 1335US2016137904A1Proppants and methods of use thereofPREFERRED TECHNOLOGY LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →