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Lindenhurst, IL, United States of America

John Allen

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 = 24

John AllenAlec Ewen (2 patents)John AllenRobert Gurney (2 patents)John AllenJohn Allen (2 patents)Alec EwenAlec Ewen (4 patents)Robert GurneyRobert Gurney (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Enfield Industrial Corporation (2 from 4 patents)


2 patents:

1. 6649015 - Method of making fitting joint for double containment pipe

2. 5624140 - Double containment pipe fitting

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