Growing community of inventors

Franklin, PA, United States of America

Joseph P Gierlach

Average Co-Inventor Count = 2.00

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 = 1

Joseph P Gierlach ↔ John Willison (1 patent)Joseph P GierlachJoseph P Gierlach (1 patent)John WillisonJohn Willison (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Joy Mm Delaware, Inc. (1 from 181 patents)


1 patent:

1. 8231179 - Cutter drum extension mechanism

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12/15/2025
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