Growing community of inventors

Phoenix, AZ, United States of America

John Clayton Campbell

Average Co-Inventor Count = 4.00

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 = 28

John Clayton CampbellMichael James Schmidt (5 patents)John Clayton CampbellByron Keith Grice (5 patents)John Clayton CampbellPhillip Gerlings (5 patents)John Clayton CampbellPhillip Gerlings (2 patents)John Clayton CampbellJohn Clayton Campbell (5 patents)Michael James SchmidtMichael James Schmidt (26 patents)Byron Keith GriceByron Keith Grice (23 patents)Phillip GerlingsPhillip Gerlings (20 patents)Phillip GerlingsPhillip Gerlings (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Hillman Group, Inc. (5 from 142 patents)


5 patents:

1. 11642744 - Identification module for key making machine

2. 10577830 - Identification module for key making machine

3. 10400474 - Identification module for key making machine

4. 10301844 - Identification module for key making machine

5. 9797163 - Identification module for key making machine

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as of
12/6/2025
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