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For the Inventor, By the Inventor

Boulder, CO, United States of America

Thinkvillage-Kerfoot, LLC

Calculating rank
USPTO Granted Patents = 18

% Expired Patents = 94.4

Forward Citations = 66

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2 inventors (with patents filed for the assignee):

goldMedal William B Kerfoot (18 out of 56 patents)

silverMedal Richard Jones (1 out of 1 patent)


18 patents:

1. 8771507 - Directional microporous diffuser and directional sparging (2014-07-08),
2. 8557110 - Groundwater and subsurface remediation (2013-10-15),
3. 8302939 - Soil and water remediation system and method (2012-11-06),
4. RE43350 - Microporous diffusion apparatus (2012-05-07),
5. 7666316 - Permanganate-coated ozone for groundwater and soil treatment with in-situ oxidation (2010-02-23),
6. 7666313 - Groundwater and subsurface remediation (2010-02-23),
7. 7661657 - Deep well sparging (2010-02-16),
8. 7651611 - Directional microporous diffuser and directional sparging (2010-01-26),
9. 7648640 - Directional microporous diffuser and directional sparging (2010-01-19),
10. 7645384 - Environmental remediation method using ozonophilic bacteria within a liquid coating of bubbles (2010-01-12),
11. 7645380 - Microporous diffusion apparatus (2010-01-12),
12. 7621696 - Directional microporous diffuser and directional sparging (2009-11-24),
13. 7572368 - Water treatment apparatus (2009-08-11),
14. 7569140 - Directional spargewell system (2009-08-04),
15. 7547388 - Superoxidant poiser for groundwater and soil treatment with in-situ oxidation-reduction and acidity-basicity adjustment (2009-06-16),
Company Overview
Thinkvillage-Kerfoot, LLC is a technology-focused organization based in Boulder, Colorado, specializing in innovative solutions across various sectors. The company is dedicated to developing advanced software and systems that enhance operational efficiency and user experience. With a strong emphasis on research and development, Thinkvillage-Kerfoot engages in cutting-edge projects that span multiple domains, including cloud computing and data analytics, positioning itself as a key player in the technology landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

18 Patents

#74 in Boulder, CO

#371 in Colorado

#17,974 in US

#34,244 in the World

Boulder, CO (US)
Boulder, CO, United States of America

Thinkvillage-Kerfoot, LLC

Forward Citations = 66

2 inventors:

goldMedal William B Kerfoot (18 out of 56 patents)

silverMedal Richard Jones (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Thinkvillage-Kerfoot, LLC. Retrieved from https://idiyas.com/company/thinkvillage-kerfoot

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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