Melrose Park, IL, United States of America

Henry Valve Company

Calculating rank

USPTO Granted Patents = 6

Forward Citations = 100

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8 inventors (with patents filed for the assignee):

Zbigniew H Gugala (3 out of 3 patents)

John N Scapes (2 out of 6 patents)

Richard J Krause (2 out of 3 patents)

4. Lawrence J Loman (1 out of 1 patent)

5. Harold J Lonn (1 out of 1 patent)

6. Evan Jones (1 out of 5 patents)

7. Joseph Zaletel (1 out of 1 patent)

8. Madhukant A Shah (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 5590680 - External valve operating means (1997-01-07),

2. 5577709 - Stem seal configuration for ball valves (1996-11-26),

3. 4683057 - Refillable filter-drier assembly (1987-07-28),

4. 4142543 - Valve stem and disc combination and method of assembling same (1979-03-06),

5. 4049017 - Adjustable relief valve (1977-09-20),

6. 3970285 - Ball valve assembly (1976-07-20),

Company Overview

Henry Valve Company specializes in manufacturing high-quality valves for industrial applications. With over 50 years of experience, the company has established a reputation for providing reliable and efficient valve solutions. Their products are used in various industries, including oil and gas, petrochemical, and power generation. Henry Valve Company is committed to customer satisfaction and continuous improvement in their products and services.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#11 in Melrose Park, IL

#2,113 in Illinois

#45,030 in US

Melrose Park, IL, United States of America