Powell Fabrication & Manufacturing, Inc.

Calculating rank

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 8

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4 inventors (with patents filed for the assignee):

Duane Powell (2 out of 2 patents)

Robert B Bebow (1 out of 4 patents)

Ralph F Strigle, Jr (1 out of 7 patents)

4. Clarence Powell (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6170801 - Valve closure system (2001-01-09),

2. 5393314 - Horizontal pass, multiple packed-bed gas scrubber (1995-02-28),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#506 in St. Louis, MO

#1,321 in Missouri

#94,949 in US

St. Louis, MO, United States of America

Powell Fabrication & Manufacturing, Inc.

Forward Citations = 8

4 inventors:

Duane Powell (2 out of 2 patents)

Robert B Bebow (1 out of 4 patents)

Ralph F Strigle, Jr (1 out of 7 patents)

4. Clarence Powell (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Powell Fabrication & Manufacturing, Inc.. Retrieved from https://idiyas.com/company/powell-fabrication-and-manufacturing

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]