Growing community of inventors

Sylvania, OH, United States of America

David R Feltner

Average Co-Inventor Count = 4.00

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 = 15

David R FeltnerPeter F Gerhardinger (3 patents)David R FeltnerRichard L Ashton (3 patents)David R FeltnerRobert J Simons (2 patents)David R FeltnerDavid E Olin (1 patent)David R FeltnerDavid R Feltner (3 patents)Peter F GerhardingerPeter F Gerhardinger (21 patents)Richard L AshtonRichard L Ashton (3 patents)Robert J SimonsRobert J Simons (2 patents)David E OlinDavid E Olin (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nextronex, Inc. (3 from 3 patents)


3 patents:

1. 8963373 - Grid tie solar system and a method

2. 8779627 - Grid tie solar system and a method

3. 8289709 - Inverter system

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1/18/2026
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