Growing community of inventors

Cary, NC, United States of America

John R Owen

Average Co-Inventor Count = 5.00

ph-index = 2

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 = 57

John R OwenJames M Critelli (2 patents)John R OwenWilliam C Blackman (2 patents)John R OwenEdgar Thomas Gilliam (2 patents)John R OwenDarin Henderson Duphorne (1 patent)John R OwenDarin H Duhporne (1 patent)John R OwenJohn R Owen (2 patents)James M CritelliJames M Critelli (21 patents)William C BlackmanWilliam C Blackman (15 patents)Edgar Thomas GilliamEdgar Thomas Gilliam (13 patents)Darin Henderson DuphorneDarin Henderson Duphorne (16 patents)Darin H DuhporneDarin H Duhporne (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cooper Brands, Inc. (2 from 48 patents)


2 patents:

1. 7490414 - Tape measure with extended standout

2. 7159331 - Tape measure with extended standout

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as of
1/5/2026
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