Growing community of inventors

Beloit, WI, United States of America

Charles E Burk

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 = 94

Charles E Burk ↔ Gordon E VerWeyst (1 patent)Charles E Burk ↔ Douglas E Pherigo (1 patent)Charles E BurkCharles E Burk (1 patent)Gordon E VerWeystGordon E VerWeyst (15 patents)Douglas E PherigoDouglas E Pherigo (8 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. J.l. Clark, Inc. (1 from 89 patents)


1 patent:

1. 4898292 - Container closure with hinged flap

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12/14/2025
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