For the Inventor, By the Inventor

Enter assignee name

Danbury, CT, United States of America

Umetco Minerals Corporation

USPTO Granted Patents = 2

Trademarks = 1

Forward Citations = 5

Loading Chart...

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 - Dec 30 2025

2 Patents

#72 in Danbury, CT

#1,724 in Connecticut

#92,662 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)

Please report any incorrect information to support@idiyas.com

Loading…