RD

Robert Dufresne

PT Pultrusion Technique: 21 patents #1 of 1Top 100%
CB Conjuchem Biotechnologies: 1 patents #9 of 28Top 35%
Overall (All Time): #167,710 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12379062 Assemblies for alignment and leveling of an electrolytic tank upon expansion or retraction thereof 2025-08-05
12258206 Anchor assembly for anchoring an underground tank 2025-03-25
12038130 Assemblies for alignment and leveling of an electrolytic tank upon expansion or retraction thereof 2024-07-16
11975916 Anchor assembly for anchoring an underground tank 2024-05-07
11926915 Anchor systems for lifting an electrolytic vessel 2024-03-12
10843854 Techniques for making and using holding straps with hook-and-strap attachment 2020-11-24
10781968 Anchors and methods for anchoring an underground storage tank 2020-09-22
10689771 Configurations and positioning of contact bar segments on a capping board for enhanced current density homogeneity and/or short circuit reduction 2020-06-23
10689772 Components, assemblies and methods for distributing electrical current in an electrolytic cell 2020-06-23
10533701 Anchors and methods for anchoring an underground storage tank 2020-01-14
10233553 Contact bar and capping board for supporting symmetrical electrodes for enhanced electrolytic refining of metals 2019-03-19
10000857 Segmented capping board and contact bar assembly and methods in hydrometallurgical refining 2018-06-19
9234287 Contact bar and capping board for supporting symmetrical electrodes for enhanced electrolytic refining of metals 2016-01-12
9228606 Hook with holding means and method for holding down underground tank with a strap 2016-01-05
9222184 Contact bar with multiple support surfaces and insulating capping board 2015-12-29
8986521 Contact bar for capping board 2015-03-24
8870088 Insulating anti-corrosive rail clamp integrally made of polymeric composition 2014-10-28
8147662 Capping board section and assembly with reinforced mating projection 2012-04-03
8123917 Contact bar for capping board 2012-02-28
7582301 Long-lasting antiviral fusion inhibitor peptide conjugates comprising albumin and human immunodeficiency virus (HIV) peptides Dominique P. Bridon, Nissab Boudjellab, Martin Robitaille, Peter G. Milner 2009-09-01
7223324 Capping board with separating walls 2007-05-29
7204919 Capping board with at least one sheet of electrically conductive material embedded therein 2007-04-17
5645701 Capping board with pultruded filling bars Jean L. Dufresne 1997-07-08
4749464 Non conductive edge strip for use on an electrolytic metal refining cathode Jean L. Dufresne 1988-06-07