Delphian Technologies, Ltd.

Calculating rank

USPTO Granted Patents = 2

% Expired Patents = 100.0

CIPO Patents = 1

Forward Citations = 53

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3 inventors (with patents filed for the assignee):

James Marshall Barker (2 out of 49 patents)

Michael C Rogers (2 out of 2 patents)

Duncan MacNiven (2 out of 2 patents)

4. Michael C Rogers (0 patent)

5. Duncan A Macniven (0 patent)

2 patents: Sort by Forward Citations

1. 7303017 - Perforating gun assembly and method for creating perforation cavities (2007-12-04),

2. 7172023 - Perforating gun assembly and method for enhancing perforation depth (2007-02-06),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#74 in Aberdeen

#6,535 in United Kingdom

Aberdeen, United Kingdom

Delphian Technologies, Ltd.

Forward Citations = 53

3 inventors:

James Marshall Barker (2 out of 49 patents)

Michael C Rogers (2 out of 2 patents)

Duncan MacNiven (2 out of 2 patents)

4. Michael C Rogers (0 patent)

5. Duncan A Macniven (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Delphian Technologies, Ltd.. Retrieved from https://idiyas.com/company/delphian-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]

1 patent (CIPO):

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]