Growing community of inventors

Toronto, Canada

Douglas Heenan

Average Co-Inventor Count = 4.00

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 = 15

Douglas Heenan ↔ David Bruce Wilson (1 patent)Douglas Heenan ↔ James Cockburn (1 patent)Douglas Heenan ↔ Trent L Dreese (1 patent)Douglas HeenanDouglas Heenan (1 patent)David Bruce WilsonDavid Bruce Wilson (10 patents)James CockburnJames Cockburn (1 patent)Trent L DreeseTrent L Dreese (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 6801814 - Apparatus and method for computerized data collection, monitoring, analysis, and control of grouting operations

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as of
12/19/2025
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