Trademarks = 2

Forward Citations = 30

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6 inventors (with patents filed for the assignee):

John B Goddard (2 out of 8 patents)

Ledell Rigsby (1 out of 1 patent)

Michael R Woolery (1 out of 1 patent)

4. Donald J Hansen (1 out of 4 patents)

5. Oreste J Malacarne (1 out of 2 patents)

6. Harry E Gardner (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 6306356 - Separation and recovery of metal values from natural bitumen ash (2001-10-23),

2. 4816236 - Recovery of vanadium and nickel from petroleum residues (1989-03-28),

3. 4666512 - Method for recovering vanadium from vanadium-containing ore (1987-05-19),

4. 4640823 - Alkaline leaching of vanadium bearing residues (1987-02-03),

Company Overview

U.S. Vanadium Corporation is an American mining company that specializes in producing high-quality vanadium products for a wide range of industrial applications. With a focus on sustainability and innovation, the company is committed to delivering reliable and efficient solutions to its customers around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#52 in

#60,597 in

Danbury, CT, United States of America

U.S. Vanadium Corporation

Forward Citations = 30

6 inventors:

John B Goddard (2 out of 8 patents)

Ledell Rigsby (1 out of 1 patent)

Michael R Woolery (1 out of 1 patent)

4. Donald J Hansen (1 out of 4 patents)

5. Oreste J Malacarne (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: U.S. Vanadium Corporation. Retrieved from https://idiyas.com/company/u-s-vanadium

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]