Growing community of inventors

Newburyport, MA, United States of America

Mark Guenter Herwig

Average Co-Inventor Count = 4.00

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 = 29

Mark Guenter Herwig ↔ Roy F Thornton (2 patents)Mark Guenter Herwig ↔ Mark Rechtsteiner (2 patents)Mark Guenter Herwig ↔ Bruce Edward Goodwin (2 patents)Mark Guenter HerwigMark Guenter Herwig (2 patents)Roy F ThorntonRoy F Thornton (21 patents)Mark RechtsteinerMark Rechtsteiner (4 patents)Bruce Edward GoodwinBruce Edward Goodwin (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. General Electric Company (2 from 51,873 patents)


2 patents:

1. 7033979 - Composition for engine cleaning

2. 6537384 - Composition and method for engine cleaning

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as of
12/8/2025
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