For the Inventor, By the Inventor

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Greenwood Village, CO, United States of America

Molycorp Minerals, LLC

USPTO Granted Patents = 9

% Expired Patents = 44.4

CIPO Patents = 1

EPO Patents = 2

Trademarks = 4

Forward Citations = 78

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11 inventors (with patents filed for the assignee):

John Burba (7 out of 29 patents)

Carl Hassler (2 out of 2 patents)

Richard Donald Witham (2 out of 6 patents)

4. Edward Bayer McNew (2 out of 6 patents)

5. Robert Cable (1 out of 1 patent)

6. Tim L Oriard (1 out of 1 patent)

7. C Brock O'Kelley (1 out of 1 patent)

8. Joseph A Lupo (1 out of 1 patent)

9. Joseph R Pascoe (1 out of 1 patent)

10. John L Burba, Iii (1 out of 45 patents)

11. John Leslie Burba, Iii (1 out of 1 patent)

12. John L Burba (0 patent)

13. Edward B Mcnew (0 patent)

14. John L Iii Burba (0 patent)

9 patents: Sort by Forward Citations

1. 9233863 - Rare earth removal of hydrated and hydroxyl species (2016-01-12),

2. 8936770 - Hydrometallurgical process and method for recovering metals (2015-01-20),

3. 8809229 - Filter substrate composition (2014-08-19),

4. 8557730 - Composition and process for making the composition (2013-10-15),

5. 8475658 - Water purification device for arsenic removal (2013-07-02),

6. 8349764 - Composition for treating a fluid (2013-01-08),

7. 8252087 - Process and apparatus for treating a gas containing a contaminant (2012-08-28),

8. 8066874 - Apparatus for treating a flow of an aqueous solution containing arsenic (2011-11-29),

9. 7686976 - Composition for removing arsenic from aqueous streams (2010-03-30),

Molycorp Minerals, LLC is a leading producer of rare earth minerals, with a focus on mining and processing these essential elements for a variety of industries. The company operates mines and processing facilities in North America and prides itself on sustainable and environmentally responsible practices. Molycorp is committed to providing high-quality rare earth minerals to meet the growing global demand.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

9 Patents

#9 in Greenwood Village, CO

#694 in Colorado

#32,549 in US

Greenwood Village, CO, United States of America

Molycorp Minerals, LLC

Forward Citations = 78

11 inventors:

John Burba (7 out of 29 patents)

Carl Hassler (2 out of 2 patents)

Richard Donald Witham (2 out of 6 patents)

4. Edward Bayer McNew (2 out of 6 patents)

5. Robert Cable (1 out of 1 patent)

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