For the Inventor, By the Inventor

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Dallas, TX, United States of America

Valveworks, LLC

USPTO Granted Patents = 3

CIPO Patents = 1

Forward Citations = 33

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3 inventors (with patents filed for the assignee):

Daniel E Johnson (3 out of 3 patents)

Edward P Cox (3 out of 3 patents)

Starr L Pitzer, Jr (3 out of 9 patents)

4. Starr L Pitzer (0 patent)

3 patents: Sort by Forward Citations

1. 11280411 - Multi-part valve assembly (2022-03-22),

2. 10760568 - Multi-part valve assembly (2020-09-01),

3. 9470226 - Multi-part valve assembly (2016-10-18),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#566 in Dallas, TX

#4,692 in Texas

#72,067 in US

Dallas, TX, United States of America

Valveworks, LLC

Forward Citations = 33

3 inventors:

Daniel E Johnson (3 out of 3 patents)

Edward P Cox (3 out of 3 patents)

Starr L Pitzer, Jr (3 out of 9 patents)

4. Starr L Pitzer (0 patent)

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