% Expired Patents = 25.0

Forward Citations = 116

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4 inventors (with patents filed for the assignee):

Lawrence A Denny (3 out of 19 patents)

Edward Albert Patterson (2 out of 13 patents)

Larry Denny (1 out of 1 patent)

4. James E Aswell (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7062413 - Oilfield equipment identification method and apparatus (2006-06-13),

2. 6973416 - Oilfield equipment identification method and apparatus (2005-12-06),

3. 5595248 - Pipe alignment apparatus (1997-01-21),

4. 4235469 - Pipe handling apparatus (1980-11-25),

Company Overview

Den-con Tool Company is a leading manufacturer and distributor of premium quality industrial tools and equipment. With over 50 years of experience in the industry, we offer a wide range of products including cutting tools, abrasives, hand tools, power tools, and more. Our commitment to providing top-notch customer service and innovative solutions has helped us build a strong reputation in the market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#81 in Oklahoma City, OK

#331 in Oklahoma

#60,641 in US

Oklahoma City, OK, United States of America

Den-Con Tool Company

Forward Citations = 116

4 inventors:

Lawrence A Denny (3 out of 19 patents)

Edward Albert Patterson (2 out of 13 patents)

Larry Denny (1 out of 1 patent)

4. James E Aswell (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Den-Con Tool Company. Retrieved from https://idiyas.com/company/den-con-tool-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]