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David L. Couchot
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Mason, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Drop-in recycled refrigerant compositions having no net GWP
Patent number
11,746,271
Issue date
Sep 5, 2023
The Coulan Company L.L.C.
David L. Couchot
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Drop-in recycled refrigerant compositions having no net GWP replaci...
Patent number
11,655,407
Issue date
May 23, 2023
The Coulan Company, L.L.C.
David L. Couchot
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Environmentally friendly refrigerant compositions having low flamma...
Patent number
11,306,236
Issue date
Apr 19, 2022
Fluorotek, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environmentally friendly refrigerant compositions having low flamma...
Patent number
11,208,583
Issue date
Dec 28, 2021
Fluorotek, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Environmentally friendly refrigerant compositions
Patent number
11,028,300
Issue date
Jun 8, 2021
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
DROP-IN RECYCLED REFRIGERANT COMPOSITIONS HAVING REDUCED NET GWP BE...
Publication number
20250223482
Publication date
Jul 10, 2025
The Coulan Company, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DROP-IN RECYCLED REFRIGERANT COMPOSITIONS HAVING REDUCED NET GWP BE...
Publication number
20250197704
Publication date
Jun 19, 2025
The Coulan Company, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DROP-IN RECYCLED REFRIGERANT COMPOSITIONS HAVING LOW NET GWP REPLAC...
Publication number
20240294817
Publication date
Sep 5, 2024
The Coulan Company, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DROP-IN RECYCLED REFRIGERANT COMPOSITIONS HAVING LOW NET GWP REPLAC...
Publication number
20240287366
Publication date
Aug 29, 2024
The Coulan Company, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DROP-IN RECYCLED REFRIGERANT COMPOSITIONS HAVING NO NET GWP BEING A...
Publication number
20240117232
Publication date
Apr 11, 2024
The Coulan Company, L.L.C.
David L. Couchot
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...