Trademarks = 1

Forward Citations = 5

Loading Chart...

4 inventors (with patents filed for the assignee):

Donald J Hansen (1 out of 4 patents)

Harry E Gardner (1 out of 4 patents)

David O Skiles (1 out of 1 patent)

4. Sundaresan Ramachandran (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 4701309 - Method of operating a heap leach for recovering uranium and vanadium (1987-10-20),

2. 4540562 - Process for the production of vanadyl hydrate (1985-09-10),

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#79 in Danbury, CT

#1,782 in Connecticut

#94,782 in US

Danbury, CT, United States of America

Umetco Minerals Corporation

Forward Citations = 5

4 inventors:

Donald J Hansen (1 out of 4 patents)

Harry E Gardner (1 out of 4 patents)

David O Skiles (1 out of 1 patent)

4. Sundaresan Ramachandran (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Umetco Minerals Corporation. Retrieved from https://idiyas.com/company/umetco-minerals

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]