Growing community of inventors

Chicago, IL, United States of America

Jeffrey Held

Average Co-Inventor Count = 2.67

ph-index = 4

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

Jeffrey HeldSatya P Chauhan (4 patents)Jeffrey HeldAnthony J Tomasello (2 patents)Jeffrey HeldMichael T Gallagher (2 patents)Jeffrey HeldJeffrey Held (4 patents)Satya P ChauhanSatya P Chauhan (28 patents)Anthony J TomaselloAnthony J Tomasello (14 patents)Michael T GallagherMichael T Gallagher (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Opencel LLC (2 from 4 patents)

2. Opencell Corporation (1 from 3 patents)

3. Dh20, L.l.c. (1 from 3 patents)


4 patents:

1. 7645382 - Apparatus for converting biological materials into energy resources

2. 7507341 - Method of and apparatus for converting biological materials into energy resources

3. 7001520 - Method for treating waste-activated sludge using elecroporation

4. 6709594 - Method for treating waste-activated sludge using electroporation

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idiyas.com
as of
12/30/2025
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