Thor Dahl, Inc.

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 27

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2 inventors (with patents filed for the assignee):

William H Gunther, Jr (4 out of 5 patents)

John B McPherson (2 out of 2 patents)

4 patents: Sort by Forward Citations

1. 4189341 - Envelope opening mechanism (1980-02-19),

2. 4106432 - Apparatus for applying chemicals to envelopes (1978-08-15),

3. 4082603 - Envelope opening process (1978-04-04),

4. 4069011 - Envelope opening machine (1978-01-17),

Company Overview

Thor Dahl, Inc. is a global leader in the supply and distribution of raw materials for the chemical, steel, and construction industries. With over 100 years of experience, we provide high-quality products and excellent customer service to clients all over the world. Our commitment to sustainability and innovation sets us apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#1,394 in New York, NY

#3,682 in New York

#60,671 in US

New York, NY, United States of America

Thor Dahl, Inc.

Forward Citations = 27

2 inventors:

William H Gunther, Jr (4 out of 5 patents)

John B McPherson (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Thor Dahl, Inc.. Retrieved from https://idiyas.com/company/thor-dahl

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]