Inventor · disambiguated record
Robert Dufresne
Also filed as: DUFRESNE ROBERT · DUFRESNE ROBERT P · DUFRESNE ROBERT S
24 granted patents·5 pending applications·118 citations·filing 1986–2024
94Inventor score
Files withPULTRUSION TECHNIQUE INC16DUFRESNE ROBERT P4DUFRESNE ROBERT3PULTRUSION TECH INC3CONJUCHEM BIOTECHNOLOGIES INC1
Top patents by PatentIndex Score
29 records- 0189US8123917B2Contact bar for capping boardDUFRESNE ROBERT P·Filed 2008·Granted Feb 28, 2012·10 cites·9 claims
- 0287US12379062B2Assemblies for alignment and leveling of an electrolytic tank upon expansion or retraction thereofPULTRUSION TECHNIQUE INC·Filed 2024·Granted Aug 5, 2025·0 cites·19 claims
- 0385US11975916B2Anchor assembly for anchoring an underground tankPULTRUSION TECHNIQUE INC·Filed 2021·Granted May 7, 2024·1 cites·20 claims
- 0484US7582301B1Long-lasting antiviral fusion inhibitor peptide conjugates comprising albumin and human immunodeficiency virus (HIV) peptidesCONJUCHEM BIOTECHNOLOGIES INC·Filed 2000·Granted Sep 1, 2009·21 cites·47 claims
- 0581US7223324B2Capping board with separating wallsPULTRUSION TECH INC·Filed 2004·Granted May 29, 2007·16 cites·8 claims
- 0681US7204919B2Capping board with at least one sheet of electrically conductive material embedded thereinPULTRUSION TECH INC·Filed 2003·Granted Apr 17, 2007·16 cites·19 claims
- 0780US10781968B2Anchors and methods for anchoring an underground storage tankPULTRUSION TECHNIQUE INC·Filed 2019·Granted Sep 22, 2020·2 cites·15 claims
- 0880US9228606B2Hook with holding means and method for holding down underground tank with a strapPULTRUSION TECH INC·Filed 2012·Granted Jan 5, 2016·6 cites·26 claims
- 0979US8147662B2Capping board section and assembly with reinforced mating projectionDUFRESNE ROBERT·Filed 2008·Granted Apr 3, 2012·4 cites·39 claims
- 1077US9222184B2Contact bar with multiple support surfaces and insulating capping boardDUFRESNE ROBERT P·Filed 2012·Granted Dec 29, 2015·2 cites·36 claims
- 1175US8870088B2Insulating anti-corrosive rail clamp integrally made of polymeric compositionDUFRESNE ROBERT·Filed 2007·Granted Oct 28, 2014·2 cites·20 claims
- 1273US9234287B2Contact bar and capping board for supporting symmetrical electrodes for enhanced electrolytic refining of metalsDUFRESNE ROBERT·Filed 2012·Granted Jan 12, 2016·1 cites·19 claims
- 1372US12258206B2Anchor assembly for anchoring an underground tankPULTRUSION TECHNIQUE INC·Filed 2024·Granted Mar 25, 2025·0 cites·20 claims
- 1470US12038130B2Assemblies for alignment and leveling of an electrolytic tank upon expansion or retraction thereofPULTRUSION TECHNIQUE INC·Filed 2020·Granted Jul 16, 2024·0 cites·20 claims
- 1569US10533701B2Anchors and methods for anchoring an underground storage tankPULTRUSION TECHNIQUE INC·Filed 2015·Granted Jan 14, 2020·3 cites·13 claims
- 1669US5645701ACapping board with pultruded filling barsFiled 1996·Granted Jul 8, 1997·26 cites·8 claims
- 1758US10233553B2Contact bar and capping board for supporting symmetrical electrodes for enhanced electrolytic refining of metalsPULTRUSION TECHNIQUE INC·Filed 2016·Granted Mar 19, 2019·0 cites·11 claims
- 1858US8986521B2Contact bar for capping boardDUFRESNE ROBERT P·Filed 2012·Granted Mar 24, 2015·0 cites·38 claims
- 1958US2015048172A1Insulating anti-corrosive rail clamp integrally made of polymeric compositionDUFRESNE ROBERT P·Filed 2014·Application pending·0 cites
- 2054US2024182236A1An anchoring assembly including a tightening mechanism for holding an underground storage tankPULTRUSION TECHNIQUE INC·Filed 2022·Application pending·0 cites
- 2153US11926915B2Anchor systems for lifting an electrolytic vesselPULTRUSION TECHNIQUE INC·Filed 2019·Granted Mar 12, 2024·0 cites·19 claims
- 2253US10689771B2Configurations and positioning of contact bar segments on a capping board for enhanced current density homogeneity and/or short circuit reductionPULTRUSION TECHNIQUE INC·Filed 2014·Granted Jun 23, 2020·0 cites·10 claims
- 2353US10000857B2Segmented capping board and contact bar assembly and methods in hydrometallurgical refiningPULTRUSION TECHNIQUE INC·Filed 2014·Granted Jun 19, 2018·0 cites·15 claims
- 2452US2022106696A1Lead-coated article for industrial operations in acidic mediumPULTRUSION TECHNIQUE INC·Filed 2020·Application pending·0 cites
- 2549US10843854B2Techniques for making and using holding straps with hook-and-strap attachmentPULTRUSION TECHNIQUE INC·Filed 2016·Granted Nov 24, 2020·0 cites·14 claims
- 2641US2018148852A1Electrolytic vessel with reinforcing componentsPULTRUSION TECHNIQUE INC·Filed 2016·Application pending·0 cites
- 2739US10689772B2Components, assemblies and methods for distributing electrical current in an electrolytic cellPULTRUSION TECHNIQUE INC·Filed 2016·Granted Jun 23, 2020·0 cites·14 claims
- 2839US2021277532A1Electrolytic cell assemblies and methods for periodic vertical displacementPULTRUSION TECHNIQUE INC·Filed 2017·Application pending·0 cites
- 2935US4749464ANon conductive edge strip for use on an electrolytic metal refining cathodeTECHNICAL PLASTIC T R LTD·Filed 1986·Granted Jun 7, 1988·8 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Robert Dufresne files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →