Growing community of inventors

Bay City, MI, United States of America

Jeff A Ewald

Average Co-Inventor Count = 3.00

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 = 27

Jeff A Ewald ↔ Ray A Lewis (1 patent)Jeff A Ewald ↔ Walther C Reinhardt (1 patent)Jeff A EwaldJeff A Ewald (1 patent)Ray A LewisRay A Lewis (6 patents)Walther C ReinhardtWalther C Reinhardt (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Crane Company (1 from 171 patents)


1 patent:

1. 6228204 - Method and apparatus for welding together fluoropolymer pipe liners

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12/29/2025
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