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Mark R. Fernald
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Enfield, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Opportunities for recovery augmentation process as applied to molyb...
Patent number
12,123,075
Issue date
Oct 22, 2024
CiDRA Corporate Services Inc.
Paul J. Rothman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Processes for coating reticulated foams
Patent number
12,048,946
Issue date
Jul 30, 2024
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Utilizing engineered media for recovery of minerals in tailings str...
Patent number
12,005,460
Issue date
Jun 11, 2024
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Reactor system for separation and enrichment of minerals from a slu...
Patent number
11,752,506
Issue date
Sep 12, 2023
Cidra Corporate Services, Inc
Mark R. Fernald
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Mineral separation using functionalized membranes
Patent number
11,731,143
Issue date
Aug 22, 2023
CiDRA Corporate Services Inc.
Paul J. Rothman
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Utilizing engineered media for recovery of minerals in tailings str...
Patent number
11,517,918
Issue date
Dec 6, 2022
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tumbler cell for mineral recovery using engineered media
Patent number
11,440,026
Issue date
Sep 13, 2022
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Reactor system for separation and enrichment of minerals from a slu...
Patent number
11,247,212
Issue date
Feb 15, 2022
Cidra Corporate Services, Inc
Mark R. Fernald
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Non-flotation based recovery of mineral bearing ore using hydrophob...
Patent number
11,241,700
Issue date
Feb 8, 2022
Cidra Corporate Services, Inc
Mark R. Fernald
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and system for releasing mineral from synthetic bubbles and...
Patent number
11,135,597
Issue date
Oct 5, 2021
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Mineral separation using sized-, weight- or magnetic-based polymer...
Patent number
11,117,141
Issue date
Sep 14, 2021
CiDRA Corporate Services Inc.
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Separation of copper and molybdenum sulfides from pyrite using a se...
Patent number
11,060,165
Issue date
Jul 13, 2021
Cidra Corporate Services, Inc
Mark A. Fernald
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method and apparatus for determining GVF—gas volume fraction—for ae...
Patent number
11,035,826
Issue date
Jun 15, 2021
Cidra Corporate Services, Inc
Mark R. Fernald
G01 - MEASURING TESTING
Information
Patent Grant
Mineral beneficiation utilizing engineered materials for mineral se...
Patent number
10,981,181
Issue date
Apr 20, 2021
CiDRA Corporate Services Inc.
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Recovery media for mineral processing
Patent number
10,835,905
Issue date
Nov 17, 2020
CiDRA Corporate Services Inc.
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Tumbler cell for mineral recovery using engineered media
Patent number
10,807,105
Issue date
Oct 20, 2020
CiDRA CORPORATION SERVICES LLC
Paul J. Rothman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Opportunities for recovery augmentation process as applied to molyb...
Patent number
10,774,400
Issue date
Sep 15, 2020
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Mineral recovery using hydrophobic polymer surfaces
Patent number
10,751,693
Issue date
Aug 25, 2020
CiDRA Corporate Service Inc.
Paul J. Rothman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Transportable modular system for enhanced mineral recovery, from ta...
Patent number
10,427,166
Issue date
Oct 1, 2019
CiDRA Corporate Services Inc.
Francis K. Didden
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Flotation separation using lightweight synthetic beads or bubbles
Patent number
10,357,782
Issue date
Jul 23, 2019
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Acoustic impact particle size measurement
Patent number
10,309,887
Issue date
Jun 4, 2019
CiDRA Corporate Services Inc.
David V. Newton
G01 - MEASURING TESTING
Information
Patent Grant
Dimensionally controlled ‘engineered polymer bubble’ for flotation...
Patent number
10,245,597
Issue date
Apr 2, 2019
CiDRA Corporate Services Inc.
Francis K. Didden
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Re-lined pipe technique for wear mitigation in slurry transport pip...
Patent number
10,099,251
Issue date
Oct 16, 2018
CiDRA Corporate Services Inc.
Alan D. Kersey
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Single wrapped sensor flow meter
Patent number
9,995,609
Issue date
Jun 12, 2018
Cidra Corporate Services, Inc
Mark R. Fernald
G01 - MEASURING TESTING
Information
Patent Grant
Tomographic determination of scale build-up in pipes and other tank...
Patent number
9,989,453
Issue date
Jun 5, 2018
Cidra Corporate Services, Inc
Alan D. Kersey
G01 - MEASURING TESTING
Information
Patent Grant
Method and system for releasing mineral from synthetic bubbles and...
Patent number
9,981,271
Issue date
May 29, 2018
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Techniques for transporting synthetic beads or bubbles in a flotati...
Patent number
9,981,272
Issue date
May 29, 2018
Cidra Corporate Services, Inc
Paul J. Rothman
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Mineral recovery in tailings using functionalized polymers
Patent number
9,943,860
Issue date
Apr 17, 2018
CiDRA Corporate Services Inc.
Paul J. Rothman
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Laser based system for bitumen content determination, E.G., using d...
Patent number
9,880,095
Issue date
Jan 30, 2018
Cidra Corporate Services, Inc
Michael A. Davis
G01 - MEASURING TESTING
Information
Patent Grant
Optimizing acoustic efficiency of a sonic filter or separator
Patent number
9,833,763
Issue date
Dec 5, 2017
Cidra Corporate Services, Inc
Mark R. Fernald
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PROCESSES FOR COATING RETICULATED FOAMS
Publication number
20240293842
Publication date
Sep 5, 2024
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
POLYMER COATING FOR SELECTIVE SEPARATION OF HYDROPHOBIC PARTICLES I...
Publication number
20230278044
Publication date
Sep 7, 2023
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
UTILIZING ENGINEERED MEDIA FOR RECOVERY OF MINERALS IN TAILINGS STR...
Publication number
20230020934
Publication date
Jan 19, 2023
CiDRA CORPOPRATE SERVICES LLC
PAUL J. ROTHMAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RELEASE AGENT FOR IMPROVED REMOVAL OF VALUABLE MATERIAL FROM THE SU...
Publication number
20220410175
Publication date
Dec 29, 2022
CiDRA CORPORATE SERVICES LLC
Guillaume JAUNKY
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
REACTOR SYSTEM FOR SEPARATION AND ENRICHMENT OF MINERALS FROM A SLU...
Publication number
20220023876
Publication date
Jan 27, 2022
CiDRA CORPORATE SERVICES LLC
Mark R. FERNALD
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOB...
Publication number
20220016645
Publication date
Jan 20, 2022
CiDRA CORPORATE SERVICES LLC
Mark R. FERNALD
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
OPEN CELL OR RETICULATED FOAM HAVING 3-DIMENSIONAL OPEN-NETWORK STR...
Publication number
20210379603
Publication date
Dec 9, 2021
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD AND APPARATUS FOR DETERMINING GVF -GAS VOLUME FRACTION- FOR...
Publication number
20210172909
Publication date
Jun 10, 2021
CIDRA CORPORATE SERVICES INC.
Mark R. Fernald
G01 - MEASURING TESTING
Information
Patent Application
TUMBLER CELL FOR MINERAL RECOVERY USING ENGINEERED MEDIA
Publication number
20210086197
Publication date
Mar 25, 2021
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
OPPORTUNITIES FOR RECOVERY AUGMENTATION PROCESS AS APPLIED TO MOLYB...
Publication number
20210071283
Publication date
Mar 11, 2021
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESSES FOR COATING RETICULATED FOAMS
Publication number
20200406291
Publication date
Dec 31, 2020
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
UTILIZING ENGINEERED MEDIA FOR RECOVERY OF MINERALS IN TAILINGS STR...
Publication number
20200261924
Publication date
Aug 20, 2020
CiDRA CORPOPRATE SERVICES LLC
PAUL J. ROTHMAN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COATING FOR SELECTIVE SEPARATION OF HYDROPHOBIC PARTICLES I...
Publication number
20200070074
Publication date
Mar 5, 2020
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION OF COPPER AND MOLYBDENUM SULFIDES FROM PYRITE USING A SE...
Publication number
20200040428
Publication date
Feb 6, 2020
CiDRA CORPORATE SERVICES LLC
Mark A. FERNALD
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POLYMER COATING FOR SELECTIVE SEPARATION OF HYDROPHOBIC PARTICLES I...
Publication number
20200030819
Publication date
Jan 30, 2020
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOB...
Publication number
20190291121
Publication date
Sep 26, 2019
CiDRA CORPORATE SERVICES LLC
Mark R. FERNALD
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
REACTOR SYSTEM FOR SEPARATION AND ENRICHMENT OF MINERALS FROM A SLU...
Publication number
20190275533
Publication date
Sep 12, 2019
CiDRA CORPORATE SERVICES LLC
Mark R. FERNALD
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD AND SYSTEM FOR RELEASING MINERAL FROM SYNTHETIC BUBBLES AND...
Publication number
20190201914
Publication date
Jul 4, 2019
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
TUMBLER CELL FOR MINERAL RECOVERY USING ENGINEERED MEDIA
Publication number
20190009280
Publication date
Jan 10, 2019
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
OPPORTUNITIES FOR RECOVERY AUGMENTATION PROCESS AS APPLIED TO MOLYB...
Publication number
20180274060
Publication date
Sep 27, 2018
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
MINERAL BENEFICIATION UTILIZING ENGINEERED MATERIALS FOR MINERAL SE...
Publication number
20180272359
Publication date
Sep 27, 2018
CIDRA CORPORATE SERVICES INC.
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
MINERAL SEPARATION USING SIZED-, WEIGHT- OR MAGNETIC-BASED POLYMER...
Publication number
20180200730
Publication date
Jul 19, 2018
CIDRA CORPORATE SERVICES INC.
Paul J. Rothman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TRANSPORTABLE MODULAR SYSTEM FOR ENHANCED MINERAL RECOVERY, FROM TA...
Publication number
20170361333
Publication date
Dec 21, 2017
CiDRA Corporate Services, Inc.
Francis K. DIDDEN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
RE-LINED PIPE TECHNIQUE FOR WEAR MITIGATION IN SLURRY TRANSPORT PIP...
Publication number
20170234476
Publication date
Aug 17, 2017
CiDRA COPORATE SERVICES INC.
Alan D. KERSEY
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
RECOVERY MEDIA FOR MINERAL PROCESSING, USING OPEN CELL OR RETICULAT...
Publication number
20170232451
Publication date
Aug 17, 2017
CIDRA CORPORATE SERVICES INC.
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
MINERAL RECOVERY USING HYDROPHOBIC POLYMER SURFACES
Publication number
20170080403
Publication date
Mar 23, 2017
CIDRA CORPORATE SERVICES INC.
Paul J. ROTHMAN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYMER SURFACES HAVING A SILOXANE FUNCTIONAL GROUP
Publication number
20160067631
Publication date
Mar 10, 2016
CIDRA CORPORATE SERVICES INC.
Paul J. ROTHMAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ACOUSTIC IMPACT PARTICLE SIZE MEASUREMENT
Publication number
20150362418
Publication date
Dec 17, 2015
CIDRA CORPORATE SERVICES INC.
DAVID V. NEWTON
G01 - MEASURING TESTING
Information
Patent Application
MINERAL RECOVERY IN TAILINGS USING FUNCTIONALIZED POLYMERS
Publication number
20150209799
Publication date
Jul 30, 2015
CIDRA CORPORATE SERVICES INC.
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
TOMOGRAPHIC DETERMINATION OF SCALE BUILD-UP IN PIPES AND OTHER TANK...
Publication number
20150145532
Publication date
May 28, 2015
CIDRA CORPORATE SERVICES INC.
Alan D. Kersey
G01 - MEASURING TESTING