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Parkesburg, PA, United States of America

Gregory James Chapman

Average Co-Inventor Count = 7.00

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 = 1

Gregory James ChapmanJaved Abdurrazzaq Mapkar (2 patents)Gregory James ChapmanEdward J Hummelt (2 patents)Gregory James ChapmanKenneth Phaneuf (2 patents)Gregory James ChapmanRobert Michael Lefere (2 patents)Gregory James ChapmanJoseph David Proof (2 patents)Gregory James ChapmanSoumayajit Sarkar (2 patents)Gregory James ChapmanEdward Hummelt (1 patent)Gregory James ChapmanJaved Mapkar (1 patent)Gregory James ChapmanGregory James Chapman (2 patents)Javed Abdurrazzaq MapkarJaved Abdurrazzaq Mapkar (18 patents)Edward J HummeltEdward J Hummelt (8 patents)Kenneth PhaneufKenneth Phaneuf (7 patents)Robert Michael LefereRobert Michael Lefere (7 patents)Joseph David ProofJoseph David Proof (5 patents)Soumayajit SarkarSoumayajit Sarkar (5 patents)Edward HummeltEdward Hummelt (1 patent)Javed MapkarJaved Mapkar (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Eaton Corporation (2 from 5,989 patents)

2. Agc Chemicals Americas, Inc. (13 patents)


2 patents:

1. 9851026 - Layered tube and layer for use in same

2. 9694528 - Method for forming a layered tube and layer therein

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12/27/2025
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