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St. Charles, MO, United States of America

Edwin S Carlson

This inventor holds 9 USPTO granted patents. Top assignee: Acf Industries, Incorporated. Active years: 1976-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Edwin S Carlson. Retrieved from https://idiyas.com/inventor/edwin-s-carlson

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 63(Granted Patents)

Company Filing History:

Acf Industries, Incorporated

Years Active: 1976-1984

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4431162 - Low profile cone valve assembly (1984-02-14),

2. 4318531 - Low profile cone valve assembly (1982-03-09),

3. 4311298 - Low profile tank car ball valve (1982-01-19),

4. 4264053 - Top operated outlet valve with unitary closure guide and retainer (1981-04-28),

5. 4248261 - Eduction pipe assembly having upper flexible member (1981-02-03),

6. 4240607 - Top operated tank car lading valve also operable from the bottom (1980-12-23),

7. 4141535 - Bottom operable tank car valve assembly having shear plane (1979-02-27),

8. 4124193 - Bottom operable tank car valve assembly having shear plane (1978-11-07),

9. 3981481 - Bottom operable tank car valve (1976-09-21),

I specialize in innovations, inventions, inventors, patent attorneys, assignees, and patents.

Profile summary based on public USPTO records.

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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