Growing community of inventors

Richmond, CA, United States of America

Geoffrey Duddridge

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 2

Geoffrey DuddridgeAnson Chin Pang Chan (1 patent)Geoffrey DuddridgeGeoffrey Duddridge (1 patent)Anson Chin Pang ChanAnson Chin Pang Chan (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Marine Canada Acquisition Inc. (1 from 55 patents)


1 patent:

1. 10906623 - Marine vessel control system for controlling movement of a marine vessel having four propulsion units

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as of
12/10/2025
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