Forward Citations = 207

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5 inventors (with patents filed for the assignee):

Curtis W Clarkson (6 out of 8 patents)

Larry F Koll (4 out of 4 patents)

Nicholas J Williams (3 out of 4 patents)

4. Thomas P McKavanagh (1 out of 3 patents)

5. Milton E Jennings (1 out of 3 patents)

7 patents: Sort by Forward Citations

1. 5890700 - Gate valve (1999-04-06),

2. 5370149 - Line blind valve (1994-12-06),

3. 5271426 - Gate valve (1993-12-21),

4. 4895181 - Gate valve (1990-01-23),

5. 4846442 - Gate valve with lock ring (1989-07-11),

6. 4688597 - Gate valve (1987-08-25),

7. 4257447 - Gate valve (1981-03-24),

Company Overview

The Clarkson Company is a leading provider of innovative and high-quality solutions for businesses. We offer a wide range of services, including consulting, technology solutions, and project management. With a team of experienced professionals, we are committed to helping our clients achieve their goals and drive success in today's competitive business environment.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#15 in Sparks, NV

#364 in Nevada

#39,907 in US

Sparks, NV, United States of America

The Clarkson Company

Forward Citations = 207

5 inventors:

Curtis W Clarkson (6 out of 8 patents)

Larry F Koll (4 out of 4 patents)

Nicholas J Williams (3 out of 4 patents)

4. Thomas P McKavanagh (1 out of 3 patents)

5. Milton E Jennings (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Clarkson Company. Retrieved from https://idiyas.com/company/clarkson-company

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]