Growing community of inventors

Massillon, OH, United States of America

Andy Keffler

Average Co-Inventor Count = 4.00

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 = 4

Andy Keffler ↔ John J Miller, Jr (1 patent)Andy Keffler ↔ Michael Hall (1 patent)Andy Keffler ↔ Charles Brackney (1 patent)Andy KefflerAndy Keffler (1 patent)John J Miller, JrJohn J Miller, Jr (2 patents)Michael HallMichael Hall (1 patent)Charles BrackneyCharles Brackney (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Superb Industries, Inc. (1 from 2 patents)


1 patent:

1. 7762276 - Check valve

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1/12/2026
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