Clear Water Technologies, Inc.

Calculating rank

USPTO Granted Patents = 3

% Expired Patents = 33.3

Forward Citations = 70

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4 inventors (with patents filed for the assignee):

Delman R Hogen (1 out of 7 patents)

Timothy T France (1 out of 1 patent)

Mark J Gruenwald (1 out of 1 patent)

4. James D Gruenwald (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 7527941 - Process for producing ethyl alcohol from cellulosic materials (2009-05-05),

2. 4597692 - Rehabilitated manhole cover (1986-07-01),

3. 4556245 - Carrying handle assembly for a diving tank (1985-12-03),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#10 in Fridley, MN

#1,983 in Minnesota

#73,929 in US

Fridley, MN, United States of America

Clear Water Technologies, Inc.

Forward Citations = 70

4 inventors:

Delman R Hogen (1 out of 7 patents)

Timothy T France (1 out of 1 patent)

Mark J Gruenwald (1 out of 1 patent)

4. James D Gruenwald (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Clear Water Technologies, Inc.. Retrieved from https://idiyas.com/company/clear-water-technologies

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]