Growing community of inventors

Hamilton, Canada

Dan Bartels

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 = 6

Dan BartelsDarren Bartels (2 patents)Dan BartelsDan Bartels (2 patents)Darren BartelsDarren Bartels (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (2 from 832,891 patents)


2 patents:

1. 9903089 - Tubular insert for excavated hole with safety cover

2. 9650803 - Tubular insert for excavated hole with safety cover

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as of
1/1/2026
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