Growing community of inventors

Windsor, Canada

David R Huddle

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 = 18

David R Huddle ↔ Robert L Coleman (1 patent)David R HuddleDavid R Huddle (1 patent)Robert L ColemanRobert L Coleman (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Valeron Corporation (1 from 56 patents)


1 patent:

1. 4409868 - Threading tool and method

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as of
12/19/2025
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