For the Inventor, By the Inventor

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Chicago, IL, United States of America

Westec Environmental Solutions, LLC

USPTO Granted Patents = 2

EPO Patents = 2

Forward Citations = 2

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4 inventors (with patents filed for the assignee):

Roy J Pellegrin (2 out of 6 patents)

William Hargrove (1 out of 2 patents)

Bobby Liu Zhenshuo (1 out of 2 patents)

4. Craig Dugan (1 out of 4 patents)

2 patents: Sort by Forward Citations

1. 9545598 - Absorber (2017-01-17),

2. 7854791 - Method and means for simultaneously generating an aqueous froth and numerous micro-droplets for use in filtering a contaminated air stream (2010-12-21),

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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#1,028 in Chicago, IL

#4,383 in Illinois

#94,730 in US

Chicago, IL, United States of America

Westec Environmental Solutions, LLC

Forward Citations = 2

4 inventors:

Roy J Pellegrin (2 out of 6 patents)

William Hargrove (1 out of 2 patents)

Bobby Liu Zhenshuo (1 out of 2 patents)

4. Craig Dugan (1 out of 4 patents)

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