Growing community of inventors

Apple Creek, OH, United States of America

William Kirker

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 6

William KirkerTan Dinh Nguyen (2 patents)William KirkerWilliam Kirker (2 patents)Tan Dinh NguyenTan Dinh Nguyen (18 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Crain Cutter Company, Inc. (2 from 27 patents)


2 patents:

1. 7722012 - Tail section for carpet stretching tool

2. 7451961 - Tail section for carpet stretching tool

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as of
1/11/2026
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