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For the Inventor, By the Inventor

Santa Rosa, CA, United States of America

Kristar Enterprises, Inc.

Calculating rank
USPTO Granted Patents = 17

% Expired Patents = 17.6

Trademarks = 1

Forward Citations = 552

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4 inventors (with patents filed for the assignee):

goldMedal Douglas Paul Allard (16 out of 22 patents)

silverMedal Jonathan McDonald (3 out of 3 patents)

bronzeMedal Andrew Charles Wilson (2 out of 2 patents)

4.  John Barella (1 out of 1 patent)


17 patents:

1. 8535533 - Bioretention system with high internal high flow bypass (2013-09-17),
2. 7985335 - Low profile catch basin filter (2011-07-26),
3. 7374364 - Trench drain filter assembly (2008-05-20),
4. 7182874 - Storm water treatment apparatus employing dual vortex separators (2007-02-27),
5. 7165913 - Trench drain filter assembly (2007-01-23),
6. 7040838 - High capacity catch basin filtration system with adjustable deflector ring (2006-05-09),
7. 6986621 - Trench drain filtration system (2006-01-17),
8. 6976808 - Catch basin filtration system will disposable silt/contaminant collector (2005-12-20),
9. 6905599 - Prefilter for water treatment (2005-06-14),
10. 6875350 - Chitosan enhanced dewatering bag (2005-04-05),
11. 6872029 - Hard bodied high capacity catch basin filtration system (2005-03-29),
12. 6733209 - Chitosan enhanced erosion control rolls (2004-05-11),
13. 6641335 - Erosion control rolls (2003-11-04),
14. 6551023 - Soft bodied high capacity catch basin filtration system (2003-04-22),
15. 6527477 - Erosion control rolls (2003-03-04),
Company Overview
Kristar Enterprises, Inc. is a specialized manufacturer based in Santa Rosa, California, focusing on advanced water treatment solutions. The company is known for its innovative technologies in the design and production of high-efficiency water filtration systems, which serve various sectors including municipal, industrial, and commercial applications. Kristar's commitment to sustainability and environmental stewardship drives its research and development efforts, aiming to enhance water quality and resource management across diverse geographic regions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

17 Patents

#13 in Santa Rosa, CA

#4,521 in California

#18,913 in US

#35,974 in the World

Santa Rosa, CA (US)
Santa Rosa, CA, United States of America

Kristar Enterprises, Inc.

Forward Citations = 552

4 inventors:

goldMedal Douglas Paul Allard (16 out of 22 patents)

silverMedal Jonathan McDonald (3 out of 3 patents)

bronzeMedal Andrew Charles Wilson (2 out of 2 patents)

4.  John Barella (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kristar Enterprises, Inc.. Retrieved from https://idiyas.com/company/kristar-enterprises

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]
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