Growing community of inventors

Rootstown, OH, United States of America

Derris Cottrell

Average Co-Inventor Count = 3.00

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 = 5

Derris CottrellDominic A Barracchini (1 patent)Derris CottrellThomas D Cleland (1 patent)Derris CottrellDerris Cottrell (1 patent)Dominic A BarracchiniDominic A Barracchini (1 patent)Thomas D ClelandThomas D Cleland (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nrm Corporation (1 from 51 patents)


1 patent:

1. 5225216 - Mold opening apparatus for blow molding machine

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as of
12/25/2025
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