Growing community of inventors

Berea, KY, United States of America

Darrell E Helton

Average Co-Inventor Count = 4.44

ph-index = 2

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 = 13

Darrell E HeltonLonnie R Oxley (2 patents)Darrell E HeltonJeffrey G Stephenson (2 patents)Darrell E HeltonDavid S Billings (2 patents)Darrell E HeltonAshwani K Bansal (1 patent)Darrell E HeltonDarrell E Helton (2 patents)Lonnie R OxleyLonnie R Oxley (10 patents)Jeffrey G StephensonJeffrey G Stephenson (4 patents)David S BillingsDavid S Billings (2 patents)Ashwani K BansalAshwani K Bansal (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nmhg Oregon, LLC (2 from 27 patents)


2 patents:

1. 9000905 - Auxiliary fuel tank

2. 7940165 - Low fuel warning systems for a motorized vehicle

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as of
12/21/2025
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