Growing community of inventors

Ottawa, Canada

Colin Campbell

Average Co-Inventor Count = 7.00

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 = 3

Colin CampbellNeil Hutton (2 patents)Colin CampbellJohn Beattie (2 patents)Colin CampbellCamil Giguere (2 patents)Colin CampbellGuy Carrier (2 patents)Colin CampbellMichael Harris (2 patents)Colin CampbellIan Marsh (2 patents)Colin CampbellColin Campbell (2 patents)Neil HuttonNeil Hutton (37 patents)John BeattieJohn Beattie (2 patents)Camil GiguereCamil Giguere (2 patents)Guy CarrierGuy Carrier (2 patents)Michael HarrisMichael Harris (2 patents)Ian MarshIan Marsh (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dew Engineering and Development Ulc (2 from 11 patents)


2 patents:

1. 10683044 - Track changing apparatus and methods associated therewith

2. 9981704 - Track changing apparatus and methods associated therewith

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as of
12/4/2025
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