Growing community of inventors

Hamilton, OH, United States of America

Derek J Hartwell

Average Co-Inventor Count = 3.00

ph-index = 4

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 = 56

Derek J Hartwell ↔ Christopher S Miller (4 patents)Derek J Hartwell ↔ Jeffrey T Stanley (4 patents)Derek J HartwellDerek J Hartwell (4 patents)Christopher S MillerChristopher S Miller (5 patents)Jeffrey T StanleyJeffrey T Stanley (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Finn Corporation (4 from 18 patents)


4 patents:

1. D470512 - Skid loader

2. D470513 - Skid loader

3. D466910 - Skid loader

4. D463454 - Skid loader

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as of
12/19/2025
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