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Nassau, Bahamas

Earth Sciences Limited

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USPTO Granted Patents = 17

Forward Citations = 144

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22 inventors (with patents filed for the assignee):

Robert S Rickard (6 out of 7 patents)

Kent W Loest (5 out of 5 patents)

Roman Z Pyrih (4 out of 4 patents)

4. Orin F Carrington (4 out of 4 patents)

5. Vernon R Ewing (3 out of 3 patents)

6. George J Hartman (2 out of 3 patents)

7. Larry D Jennings (2 out of 2 patents)

8. John T Schaefer (2 out of 2 patents)

9. John Hugo Nellmapius (1 out of 1 patent)

10. John H Watt (1 out of 2 patents)

11. Stanley A Bunk (1 out of 5 patents)

12. Harry B Scott (1 out of 1 patent)

13. Peter A Angevine (1 out of 4 patents)

14. Philip M Rooke (1 out of 1 patent)

15. Helge O Forberg (1 out of 5 patents)

17 patents: Sort by Forward Citations

1. 6269952 - Methods and apparatus for use in processing and treating particulate material (2001-08-07),

2. 4305912 - Process for recovering uranium from wet process phosphoric acid (III) (1981-12-15),

3. 4263148 - Process for removing humic matter from phosphoric acid solutions (1981-04-21),

4. 4258015 - Recovering uranium from wet process phosphoric acid with alkylphenyl (1981-03-24),

5. 4258014 - Process for recovering uranium from wet process phosphoric acid (1981-03-24),

6. 4258013 - Uranium recovery from wet process phosphoric acid (1981-03-24),

7. 4230678 - Process for recovering aluminum from alunite (1980-10-28),

8. 4115110 - Vanadium recovery process (1978-09-19),

9. 4093700 - Process for reduction of alunite ore in aluminum recovery process (1978-06-06),

10. 4075068 - Process for the recovery of aluminum from alunite (1978-02-21),

11. 4057611 - Process for recovering aluminum from alunite (1977-11-08),

12. 4033842 - Production of monobasic potassium phosphate by electrodialysis (1977-07-05),

13. 4031182 - Recovery of aluminum from alunite ore using acid leach to purify the (1977-06-21),

14. 4029737 - Redox treatment of alunite ore (1977-06-14),

15. 4008307 - Production of monobasic potassium phosphate by ion exchange (1977-02-15),

Company Overview

Earth Sciences Limited is a company based in Nassau, Bahamas, specializing in innovative solutions for environmental and geological challenges. The organization focuses on developing advanced technologies and methodologies in earth sciences, including geospatial analysis, environmental monitoring, and resource management. By leveraging cutting-edge research, Earth Sciences Limited aims to provide sustainable solutions that address the complexities of natural resource utilization and environmental conservation in various geographic contexts.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

17 Patents

#5 in Nassau

#4 in Bahamas

#35,974 in the World

Nassau, Bahamas

Earth Sciences Limited

Forward Citations = 144

22 inventors:

Robert S Rickard (6 out of 7 patents)

Kent W Loest (5 out of 5 patents)

Roman Z Pyrih (4 out of 4 patents)

4. Orin F Carrington (4 out of 4 patents)

5. Vernon R Ewing (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Earth Sciences Limited. Retrieved from https://idiyas.com/company/earth-sciences

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]

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