Growing community of inventors

Columbus, IN, United States of America

Doug Doup

Average Co-Inventor Count = 5.00

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 = 9

Doug Doup ↔ Aaron S Quinton (1 patent)Doug Doup ↔ Patrick R Shea (1 patent)Doug Doup ↔ Dana E Richardson (1 patent)Doug Doup ↔ David P Quigley (1 patent)Doug DoupDoug Doup (1 patent)Aaron S QuintonAaron S Quinton (14 patents)Patrick R SheaPatrick R Shea (3 patents)Dana E RichardsonDana E Richardson (2 patents)David P QuigleyDavid P Quigley (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cummins Inc. (1 from 1,580 patents)


1 patent:

1. 8276563 - Internal combustion engine piston

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as of
12/13/2025
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