Growing community of inventors

Minneapolis, MN, United States of America

Karl Fredrick Biewald

Average Co-Inventor Count = 1.89

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 = 8

Karl Fredrick BiewaldJoe D Doucet (1 patent)Karl Fredrick BiewaldDavid W Anderson (1 patent)Karl Fredrick BiewaldGerald Timm (1 patent)Karl Fredrick BiewaldAllen R Pedersen (1 patent)Karl Fredrick BiewaldBrian Ornduff (1 patent)Karl Fredrick BiewaldKarl Fredrick Biewald (3 patents)Joe D DoucetJoe D Doucet (47 patents)David W AndersonDavid W Anderson (10 patents)Gerald TimmGerald Timm (8 patents)Allen R PedersenAllen R Pedersen (3 patents)Brian OrnduffBrian Ornduff (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Endocare, Inc. (1 from 73 patents)

2. Peter Barsoom (1 from 2 patents)


3 patents:

1. 11305922 - Child safe closure for a container

2. D744832 - Holder for stacked beverage cans

3. 6705987 - Penile seal and constriction ring

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idiyas.com
as of
1/4/2026
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