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Oliver Keitsch
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Heilbronn, DE
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Patents Grants
last 30 patents
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Patent Grant
Bipolar plate
Patent number
12,278,403
Issue date
Apr 15, 2025
Audi AG
Oliver Keitsch
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
FUEL CELL HAVING ELASTOMER LAYERS AND METHOD FOR PRODUCING A FUEL CELL
Publication number
20240274840
Publication date
Aug 15, 2024
Audi AG
Martin GÖBEL
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE HAVING INCLINED INFLOW DUCT PORTIONS FOR A FUEL CELL...
Publication number
20230402621
Publication date
Dec 14, 2023
Audi AG
Oliver KEITSCH
B60 - VEHICLES IN GENERAL
Information
Patent Application
FUEL CELL STACK WITH AT LEAST TWO CELL SERIES, FUEL CELL DEVICE AND...
Publication number
20230402638
Publication date
Dec 14, 2023
Audi AG
Sebastian VOIGT
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE HAVING DUCT DIVISIONS PRESENT IN THE ACTIVE REGION, A...
Publication number
20230378484
Publication date
Nov 23, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE
Publication number
20230361318
Publication date
Nov 9, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE AND FUEL CELL STACK
Publication number
20230317971
Publication date
Oct 5, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR A FROST START OF A FUEL CELL DEVICE, FUEL CELL DEVICE AN...
Publication number
20230299321
Publication date
Sep 21, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STACK HAVING CASTING MATERIAL AND METHOD FOR PRODUCING A...
Publication number
20230275252
Publication date
Aug 31, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FUEL CELL STACK, FUEL CELL DEVICE AND MOTOR VEHICLE WITH FUEL CELL...
Publication number
20230268542
Publication date
Aug 24, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE AND FUEL CELL STACK
Publication number
20230268521
Publication date
Aug 24, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SINGLE CELL AND FUEL CELL STACK WITH ELASTIC STRUCTURES FOR EQUAL D...
Publication number
20230261239
Publication date
Aug 17, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE AND FUEL CELL STACK
Publication number
20230261213
Publication date
Aug 17, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE AND FUEL CELL STACK
Publication number
20230253576
Publication date
Aug 10, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BIPOLAR PLATE
Publication number
20230246205
Publication date
Aug 3, 2023
Audi AG
Oliver KEITSCH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD FOR PRODUCING A BIPOLAR PLATE, FUEL CELL HALF-PLATE, BIPOLAR...
Publication number
20230085135
Publication date
Mar 16, 2023
Audi AG
Oliver Keitsch
H01 - BASIC ELECTRIC ELEMENTS