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For the Inventor, By the Inventor

Costa Mesa, CA, United States of America

Cla-Val Co.


USPTO Granted Patents = 23

% Expired Patents = 34.8



Forward Citations = 348

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15 inventors (with patents filed for the assignee):

goldMedal Robert Folk (7 out of 8 patents)

silverMedal Harold W Ensign (7 out of 7 patents)

bronzeMedal Daniel Ré (3 out of 3 patents)

4.  James R Reese (2 out of 2 patents)

5.  William Yelich (2 out of 2 patents)

6.  David Michael Rose (1 out of 2 patents)

7.  Martin W Pickett (1 out of 2 patents)

8.  Robert Lewis Ogden, Jr (1 out of 1 patent)

9.  Ryan W Pickett (1 out of 1 patent)

10.  David J Becker (1 out of 26 patents)

11.  Mark Randall McClaran (1 out of 6 patents)

12.  Clifford V Zieg (1 out of 2 patents)

13.  J Albert Story, Jr (1 out of 1 patent)

14.  Donald G Griswold (1 out of 1 patent)

15.  Clyde W Seltzer (1 out of 1 patent)


23 patents:

1. 10774939 - Valve with integral insert-cast seat and related method (2020-09-15),
2. 10697571 - Breakaway hydraulic coupler (2020-06-30),
3. 9249896 - Control pilot valve apparatus (2016-02-02),
4. 9010371 - Anti-cavitation valve seat (2015-04-21),
5. 8714028 - Insertion vortex fluid flow meter with adjustable geometry (2014-05-06),
6. 8695630 - System and method for hydraulically managing fluid pressure downstream from a main valve between set points (2014-04-15),
7. 8550101 - System and method for hydraulically managing fluid pressure downstream from a main valve between set points (2013-10-08),
8. 8381761 - Pressure management control valve assembly (2013-02-26),
9. 8276612 - System and method for hydraulically managing fluid pressure downstream from a main valve (2012-10-02),
10. 8091582 - System and method for hydraulically managing fluid pressure downstream from a main valve between set points (2012-01-10),
11. 6405768 - Pressure fuel servicing nozzle (2002-06-18),
12. 5183074 - Pressure-reducing valve, and aircraft fueling system incorporating the (1993-02-02),
13. 4874531 - Apparatus and method for separating water from aviation fuel, and float (1989-10-17),
14. 4865078 - Manual control valve (1989-09-12),
15. 4715578 - Diaphragm valve (1987-12-29),
Company Overview
Cla-Val Co. is a leading manufacturer specializing in automatic control valves and related products for various industries, including waterworks, wastewater, and industrial applications. The company focuses on innovative solutions that enhance fluid control and management, ensuring efficiency and reliability in operations. With a strong presence in the global market, Cla-Val is committed to advancing technology in hydraulic systems, contributing to sustainable practices and infrastructure development.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Cla-Val Co. USPTO Patent Assignee Logo
23 Patents

#21 in Costa Mesa, CA

#3,419 in California

#14,428 in US

#27,685 in the World

Costa Mesa, CA (US)
Costa Mesa, CA, United States of America

Cla-Val Co.

Forward Citations = 348

15 inventors:

goldMedal Robert Folk (7 out of 8 patents)

silverMedal Harold W Ensign (7 out of 7 patents)

bronzeMedal Daniel Ré (3 out of 3 patents)

4.  James R Reese (2 out of 2 patents)

5.  William Yelich (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cla-Val Co.. Retrieved from https://idiyas.com/company/cla-val-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]
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