Growing community of inventors

Ottawa, Canada

Ian Marsh

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

Ian MarshNeil Hutton (2 patents)Ian MarshGuy Carrier (2 patents)Ian MarshMichael Harris (2 patents)Ian MarshColin Campbell (2 patents)Ian MarshCamil Giguere (2 patents)Ian MarshJohn Beattie (2 patents)Ian MarshIan Marsh (2 patents)Neil HuttonNeil Hutton (37 patents)Guy CarrierGuy Carrier (2 patents)Michael HarrisMichael Harris (2 patents)Colin CampbellColin Campbell (2 patents)Camil GiguereCamil Giguere (2 patents)John BeattieJohn Beattie (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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1/12/2026
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