Growing community of inventors

Houston, TX, United States of America

Keith B Willhelm

Average Co-Inventor Count = 2.40

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 = 34

Keith B WillhelmChristopher J Cuffe (1 patent)Keith B WillhelmJohn Cuffe (1 patent)Keith B WillhelmClaude H Richey, Jr (1 patent)Keith B WillhelmKeith B Willhelm (2 patents)Christopher J CuffeChristopher J Cuffe (6 patents)John CuffeJohn Cuffe (2 patents)Claude H Richey, JrClaude H Richey, Jr (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Eircan Downhole Technologies, LLC (1 from 2 patents)

2. Rrr & Associates, L.l.c. (1 from 2 patents)


2 patents:

1. 9051810 - Frac valve with ported sleeve

2. 8516733 - Firearm shooting support

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as of
12/25/2025
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