Growing community of inventors

Doylestown, PA, United States of America

John E Quinn

Average Co-Inventor Count = 2.57

ph-index = 3

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 = 51

John E Quinn ↔ Lawrence S Wittenbrook (2 patents)John E Quinn ↔ Charles E Donegan (2 patents)John E Quinn ↔ Joseph I Gerstemeier (1 patent)John E QuinnJohn E Quinn (3 patents)Lawrence S WittenbrookLawrence S Wittenbrook (4 patents)Charles E DoneganCharles E Donegan (2 patents)Joseph I GerstemeierJoseph I Gerstemeier (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Betz Laboratories, Inc. (3 from 577 patents)


3 patents:

1. 4191655 - Dewatering composition

2. 4156649 - Dewatering ore concentrates with branched alkyl ethoxylated alcohol

3. 3977971 - Method of feeding polymers

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as of
12/21/2025
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