Growing community of inventors

Colorado Springs, CO, United States of America

Carl Robert Perkins

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 = 2

Carl Robert PerkinsGregory Scott Sprenger (1 patent)Carl Robert PerkinsDavid Stanley Hawkins (1 patent)Carl Robert PerkinsCarl Robert Perkins (1 patent)Gregory Scott SprengerGregory Scott Sprenger (13 patents)David Stanley HawkinsDavid Stanley Hawkins (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Velcon Filters, Inc. (1 from 18 patents)

2. Parker-hannifin Corporation (1,661 patents)


1 patent:

1. 8505742 - Perforated hexagon-hole tube support for synthetic screen separator

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as of
12/18/2025
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