Robert P. Dufresne

Person

St-Bruno de Montarville Quebec, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Anchor assembly for anchoring an underground tank
- Patent number 11,975,916
- Issue date May 7, 2024
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Anchor systems for lifting an electrolytic vessel
- Patent number 11,926,915
- Issue date Mar 12, 2024
- Pultrusion Technique Inc.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Techniques for making and using holding straps with hook-and-strap...
- Patent number 10,843,854
- Issue date Nov 24, 2020
- Pultrusion Technique Inc.
- Robert P. Dufresne
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Anchors and methods for anchoring an underground storage tank
- Patent number 10,781,968
- Issue date Sep 22, 2020
- Pultrusion Technique Inc.
- Robert Dufresne
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Components, assemblies and methods for distributing electrical curr...
- Patent number 10,689,772
- Issue date Jun 23, 2020
- Pultrusion Technique Inc.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Configurations and positioning of contact bar segments on a capping...
- Patent number 10,689,771
- Issue date Jun 23, 2020
- Pultrusion Technique, Inc.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Anchors and methods for anchoring an underground storage tank
- Patent number 10,533,701
- Issue date Jan 14, 2020
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Contact bar and capping board for supporting symmetrical electrodes...
- Patent number 10,233,553
- Issue date Mar 19, 2019
- Pultrusion Technique Inc.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Segmented capping board and contact bar assembly and methods in hyd...
- Patent number 10,000,857
- Issue date Jun 19, 2018
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Contact bar and capping board for supporting symmetrical electrodes...
- Patent number 9,234,287
- Issue date Jan 12, 2016
- Pultrusion Technique Inc.
- Robert Dufresne
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Hook with holding means and method for holding down underground tan...
- Patent number 9,228,606
- Issue date Jan 5, 2016
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Contact bar with multiple support surfaces and insulating capping b...
- Patent number 9,222,184
- Issue date Dec 29, 2015
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Contact bar for capping board
- Patent number 8,986,521
- Issue date Mar 24, 2015
- Pultrusion Technique Inc.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Insulating anti-corrosive rail clamp integrally made of polymeric c...
- Patent number 8,870,088
- Issue date Oct 28, 2014
- Pultrusion Technique Inc.
- Robert Dufresne
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Capping board section and assembly with reinforced mating projection
- Patent number 8,147,662
- Issue date Apr 3, 2012
- Pultrusion Technique Inc.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Contact bar for capping board
- Patent number 8,123,917
- Issue date Feb 28, 2012
- Pultrusion Technique Inc.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Capping board with separating walls
- Patent number 7,223,324
- Issue date May 29, 2007
- Pultrusion Technique Inc.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Capping board with at least one sheet of electrically conductive ma...
- Patent number 7,204,919
- Issue date Apr 17, 2007
- Pultrusion Technique Inc.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Capping board with pultruded filling bars
- Patent number 5,645,701
- Issue date Jul 8, 1997
- Jean L. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Non conductive edge strip for use on an electrolytic metal refining...
- Patent number 4,749,464
- Issue date Jun 7, 1988
- Technical Plastic T-R Ltd.
- Jean L. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Anchor Assembly For Anchoring An Underground Tank
- Publication number 20240262615
- Publication date Aug 8, 2024
- PULTRUSION TECHNIQUE INC.
- Robert DUFRESNE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
AN ANCHORING ASSEMBLY INCLUDING A TIGHTENING MECHANISM FOR HOLDING...
- Publication number 20240182236
- Publication date Jun 6, 2024
- PULTRUSION TECHNIQUE INC.
- ROBERT DUFRESNE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Anchor Assembly For Anchoring An Underground Tank
- Publication number 20230348179
- Publication date Nov 2, 2023
- PULTRUSION TECHNIQUE INC.
- Robert DUFRESNE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
LEAD-COATED ARTICLE FOR INDUSTRIAL OPERATIONS IN ACIDIC MEDIUM
- Publication number 20220106696
- Publication date Apr 7, 2022
- PULTRUSION TECHNIQUE INC.
- Robert DUFRESNE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ELECTROLYTIC CELL ASSEMBLIES AND METHODS FOR PERIODIC VERTICAL DISP...
- Publication number 20210277532
- Publication date Sep 9, 2021
- PULTRUSION TECHNIQUE INC.
- Robert DUFRESNE
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
ANCHOR SYSTEMS FOR LIFTING AN ELECTROLYTIC VESSEL
- Publication number 20210062352
- Publication date Mar 4, 2021
- PULTRUSION TECHNIQUE INC.
- Robert DUFRESNE
- B66 - HOISTING LIFTING HAULING
Information Patent Application
ANCHORS AND METHODS FOR ANCHORING AN UNDERGROUND STORAGE TANK
- Publication number 20200103072
- Publication date Apr 2, 2020
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
TECHNIQUES FOR MAKING AND USING HOLDING STRAPS WITH HOOK-AND-STRAP...
- Publication number 20180305097
- Publication date Oct 25, 2018
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- B60 - VEHICLES IN GENERAL
Information Patent Application
ANCHORS AND METHODS FOR ANCHORING AN UNDERGROUND STORAGE TANK
- Publication number 20180187827
- Publication date Jul 5, 2018
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ELECTROLYTIC VESSEL WITH REINFORCING COMPONENTS
- Publication number 20180148852
- Publication date May 31, 2018
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
COMPONENTS, ASSEMBLIES AND METHODS FOR DISTRIBUTING ELECTRICAL CURR...
- Publication number 20180087168
- Publication date Mar 29, 2018
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CONTACT BAR AND CAPPING BOARD FOR SUPPORTING SYMMETRICAL ELECTRODES...
- Publication number 20160122887
- Publication date May 5, 2016
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CONFIGURATIONS AND POSITIONING OF CONTACT BAR SEGMENTS ON A CAPPING...
- Publication number 20160115607
- Publication date Apr 28, 2016
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SEGMENTED CAPPING BOARD AND CONTACT BAR ASSEMBLY AND METHODS IN HYD...
- Publication number 20150354075
- Publication date Dec 10, 2015
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
INSULATING ANTI-CORROSIVE RAIL CLAMP INTEGRALLY MADE OF POLYMERIC C...
- Publication number 20150048172
- Publication date Feb 19, 2015
- PULTRUSION TECHNIQUE INC.
- ROBERT P. DUFRESNE
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
HOOK WITH HOLDING MEANS AND METHOD FOR HOLDING DOWN UNDERGROUND TAN...
- Publication number 20140291471
- Publication date Oct 2, 2014
- Pultrusion Technique Inc.
- Robert P. Dufresne
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Contact Bar with Multiple Support Surfaces and Insulating Capping B...
- Publication number 20140183057
- Publication date Jul 3, 2014
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
CONTACT BAR AND CAPPING BOARD FOR SUPPORTING SYMMETRICAL ELECTRODES...
- Publication number 20140131196
- Publication date May 15, 2014
- PULTRUSION TECHNIQUE INC.
- Robert Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Contact Bar for Capping Board
- Publication number 20130032474
- Publication date Feb 7, 2013
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Contact Bar for Capping Board
- Publication number 20110132753
- Publication date Jun 9, 2011
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Capping Board Section and Assembly with Reinforced Mating Projection
- Publication number 20100065423
- Publication date Mar 18, 2010
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Insulating Anti-Corrosive Rail Clamp Integrally Made of Polymeric C...
- Publication number 20100044451
- Publication date Feb 25, 2010
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Capping board with separating walls
- Publication number 20050284753
- Publication date Dec 29, 2005
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Capping board with at least one sheet of electrically conductive ma...
- Publication number 20050121319
- Publication date Jun 9, 2005
- PULTRUSION TECHNIQUE INC.
- Robert P. Dufresne
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Robert P. Dufresne

Person

Patents Grantslast 30 patents

Anchor assembly for anchoring an underground tank

Anchor systems for lifting an electrolytic vessel

Techniques for making and using holding straps with hook-and-strap...

Anchors and methods for anchoring an underground storage tank

Components, assemblies and methods for distributing electrical curr...

Configurations and positioning of contact bar segments on a capping...

Anchors and methods for anchoring an underground storage tank

Contact bar and capping board for supporting symmetrical electrodes...

Segmented capping board and contact bar assembly and methods in hyd...

Contact bar and capping board for supporting symmetrical electrodes...

Hook with holding means and method for holding down underground tan...

Contact bar with multiple support surfaces and insulating capping b...

Contact bar for capping board

Insulating anti-corrosive rail clamp integrally made of polymeric c...

Capping board section and assembly with reinforced mating projection

Contact bar for capping board

Capping board with separating walls

Capping board with at least one sheet of electrically conductive ma...

Capping board with pultruded filling bars

Non conductive edge strip for use on an electrolytic metal refining...

Patents Applicationslast 30 patents

Anchor Assembly For Anchoring An Underground Tank

AN ANCHORING ASSEMBLY INCLUDING A TIGHTENING MECHANISM FOR HOLDING...

Anchor Assembly For Anchoring An Underground Tank

LEAD-COATED ARTICLE FOR INDUSTRIAL OPERATIONS IN ACIDIC MEDIUM

ELECTROLYTIC CELL ASSEMBLIES AND METHODS FOR PERIODIC VERTICAL DISP...

ANCHOR SYSTEMS FOR LIFTING AN ELECTROLYTIC VESSEL

ANCHORS AND METHODS FOR ANCHORING AN UNDERGROUND STORAGE TANK

TECHNIQUES FOR MAKING AND USING HOLDING STRAPS WITH HOOK-AND-STRAP...

ANCHORS AND METHODS FOR ANCHORING AN UNDERGROUND STORAGE TANK

ELECTROLYTIC VESSEL WITH REINFORCING COMPONENTS

COMPONENTS, ASSEMBLIES AND METHODS FOR DISTRIBUTING ELECTRICAL CURR...

CONTACT BAR AND CAPPING BOARD FOR SUPPORTING SYMMETRICAL ELECTRODES...

CONFIGURATIONS AND POSITIONING OF CONTACT BAR SEGMENTS ON A CAPPING...

SEGMENTED CAPPING BOARD AND CONTACT BAR ASSEMBLY AND METHODS IN HYD...

INSULATING ANTI-CORROSIVE RAIL CLAMP INTEGRALLY MADE OF POLYMERIC C...

HOOK WITH HOLDING MEANS AND METHOD FOR HOLDING DOWN UNDERGROUND TAN...

Contact Bar with Multiple Support Surfaces and Insulating Capping B...

CONTACT BAR AND CAPPING BOARD FOR SUPPORTING SYMMETRICAL ELECTRODES...

Contact Bar for Capping Board

Contact Bar for Capping Board

Capping Board Section and Assembly with Reinforced Mating Projection

Insulating Anti-Corrosive Rail Clamp Integrally Made of Polymeric C...

Capping board with separating walls

Capping board with at least one sheet of electrically conductive ma...