Growing community of inventors

Perkiomenville, PA, United States of America

Donald Tunnell

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 = 4

Donald TunnellSteven Michael Weinrich (1 patent)Donald TunnellJames C Long (1 patent)Donald TunnellGeorge E Bachman (1 patent)Donald TunnellEric P Gove (1 patent)Donald TunnellDonald Tunnell (1 patent)Steven Michael WeinrichSteven Michael Weinrich (23 patents)James C LongJames C Long (6 patents)George E BachmanGeorge E Bachman (5 patents)Eric P GoveEric P Gove (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Invensys Systems, Inc. (1 from 383 patents)


1 patent:

1. 8321045 - Validating information within production event messages for recording non-trending production data and events

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12/12/2025
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