Growing community of inventors

Raleigh, NC, United States of America

William C Blackman

Average Co-Inventor Count = 2.19

ph-index = 14

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 = 367

William C BlackmanEdgar Thomas Gilliam (7 patents)William C BlackmanJames M Critelli (3 patents)William C BlackmanRenfred K McDaniel (2 patents)William C BlackmanJames P Edwards, Jr (2 patents)William C BlackmanJohn R Owen (2 patents)William C BlackmanDavid S Chapin (1 patent)William C BlackmanDarin Henderson Duphorne (1 patent)William C BlackmanChristopher T Cluff (1 patent)William C BlackmanMichael Joseph Bobay (1 patent)William C BlackmanAlfred VanLandingham, Jr (1 patent)William C BlackmanHerman S Jones (1 patent)William C BlackmanDarin H Duhporne (1 patent)William C BlackmanWilliam H Silvester (1 patent)William C BlackmanRobert B Grubbs (1 patent)William C BlackmanTina L Fox (1 patent)William C BlackmanJohn Bradley Moody (1 patent)William C BlackmanWilliam C Blackman (15 patents)Edgar Thomas GilliamEdgar Thomas Gilliam (13 patents)James M CritelliJames M Critelli (21 patents)Renfred K McDanielRenfred K McDaniel (2 patents)James P Edwards, JrJames P Edwards, Jr (2 patents)John R OwenJohn R Owen (2 patents)David S ChapinDavid S Chapin (41 patents)Darin Henderson DuphorneDarin Henderson Duphorne (16 patents)Christopher T CluffChristopher T Cluff (5 patents)Michael Joseph BobayMichael Joseph Bobay (3 patents)Alfred VanLandingham, JrAlfred VanLandingham, Jr (1 patent)Herman S JonesHerman S Jones (1 patent)Darin H DuhporneDarin H Duhporne (1 patent)William H SilvesterWilliam H Silvester (1 patent)Robert B GrubbsRobert B Grubbs (1 patent)Tina L FoxTina L Fox (1 patent)John Bradley MoodyJohn Bradley Moody (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cooper Industries, Inc. (8 from 901 patents)

2. Cooper Brands, Inc. (7 from 48 patents)


15 patents:

1. 7490414 - Tape measure with extended standout

2. 7159331 - Tape measure with extended standout

3. 7131214 - Tape measure mounting clip

4. 6811109 - Retainer for power-return tape measure spring

5. 6718649 - Tape measure housing with post

6. D476913 - Tape measure housing

7. D471473 - Tape measure housing

8. D412127 - Post level

9. 5806202 - Retractable tape measure with sliding lock

10. D397950 - Tape measure housing

11. 5794357 - One piece compound lock for tape measure

12. 5600894 - Hooking device for a measuring tape

13. D319347 - Combined key chain and measuring tape

14. 4976048 - Tape measure lock

15. 4527334 - Power return tape

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idiyas.com
as of
12/29/2025
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