% Expired Patents = 33.3

Forward Citations = 2

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3 inventors (with patents filed for the assignee):

Edward Joseph Stockton (2 out of 3 patents)

Marko Ramisch (1 out of 1 patent)

Pietro d'Erasmo (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 11885490 - Burner assemblies and methods (2024-01-30),

2. 11796173 - Reactor safety devices and methods (2023-10-24),

3. 7591932 - Pressure electrolyser and cell frame for said electrolyser (2009-09-22),

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USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#2 in Notodden

#525 in Norway

Notodden, Norway

Hydrogen Technologies

Forward Citations = 2

3 inventors:

Edward Joseph Stockton (2 out of 3 patents)

Marko Ramisch (1 out of 1 patent)

Pietro d'Erasmo (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydrogen Technologies. Retrieved from https://idiyas.com/company/hydrogen-technologies

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]