Trademarks = 1

Forward Citations = 5

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4 inventors (with patents filed for the assignee):

John Dudding (2 out of 3 patents)

Robin Nathan Cornelius (1 out of 1 patent)

Roland Grossinger (1 out of 1 patent)

4. Geraint Jewell (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7205873 - Method of and an apparatus for magnetising a plurality of adjacent portions of magnetisable material (2007-04-17),

2. 5565774 - Characterisation of magnetic materials via a pulsed, field strength (1996-10-15),

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USPTO Data Jan 1 1976 - Oct 13 2026

2 Patents

#4 in Cornwall

#6,523 in United Kingdom

Cornwall, United Kingdom

Hirst Magnetic Instruments Limited

Forward Citations = 5

4 inventors:

John Dudding (2 out of 3 patents)

Robin Nathan Cornelius (1 out of 1 patent)

Roland Grossinger (1 out of 1 patent)

4. Geraint Jewell (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hirst Magnetic Instruments Limited. Retrieved from https://idiyas.com/company/hirst-magnetic-instruments

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]