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For the Inventor, By the Inventor

Cleveland, OH, United States of America

The Hanna Mining Company

USPTO Granted Patents = 20

Forward Citations = 140

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19 inventors (with patents filed for the assignee):

goldMedal Adolfo R Zambrano (6 out of 9 patents)

silverMedal Abraham A Dor (3 out of 3 patents)

bronzeMedal Alan English (3 out of 3 patents)

4.  Dennis D Chilcote (2 out of 5 patents)

5.  Barry J Hansen (2 out of 2 patents)

6.  William T Rule (2 out of 2 patents)

7.  Colin D Jardine (2 out of 2 patents)

8.  Rodney H Coles (2 out of 2 patents)

9.  Stephen Hebb (2 out of 2 patents)

10.  Sooi Chong (2 out of 2 patents)

11.  James C Stensrud (1 out of 2 patents)

12.  James B Morrow (1 out of 1 patent)

13.  Mason L Dicks (1 out of 1 patent)

14.  Patrick John McGauley (1 out of 4 patents)

15.  Walter D Atchison (1 out of 1 patent)


20 patents:

1. 4478803 - Dry scrubbing of SO.sub.2 from mixtures (1984-10-23),
2. 4430056 - Pressure actuated seal for travelling grate (1984-02-07),
3. 4406417 - Mill liner for dry autogenous mills (1983-09-27),
4. 4395315 - Recovery of nickel from waste materials (1983-07-26),
5. 4324654 - Recovery of copper from copper oxide minerals (1982-04-13),
6. 4323199 - Mill liner for dry autogenous mills (1982-04-06),
7. 4298379 - Production of high purity and high surface area magnesium oxide (1981-11-03),
8. 4292281 - Selective leaching of chloride from copper oxide minerals (1981-09-29),
9. 4238466 - Absorption of sulfur dioxide from gases by ferrous sulfate (1980-12-09),
10. 4214983 - Recovery of copper from copper oxide minerals (1980-07-29),
11. 4185996 - Arsenic and sulfur elimination from cobaltiferous ores (1980-01-29),
12. 4163469 - Heat reclaim system (1979-08-07),
13. 4125588 - Nickel and magnesia recovery from laterites by low temperature (1978-11-14),
14. 4120698 - Recovery of nickel from wastes (1978-10-17),
15. 4095306 - Reaction ladle cleaning machine (1978-06-20),
Company Overview
The Hanna Mining Company, based in Cleveland, Ohio, specializes in the exploration and development of mineral resources, particularly iron ore. The company has a rich history in the mining sector, focusing on innovative techniques to enhance resource extraction and processing. With a commitment to sustainable practices, Hanna Mining plays a significant role in the mining industry, contributing to advancements in mineral technology and environmental stewardship. Its operations are primarily centered in the Great Lakes region, leveraging local geological advantages.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#101 in Cleveland, OH

#714 in Ohio

#16,409 in US

#31,295 in the World

Cleveland, OH (US)
Cleveland, OH, United States of America

The Hanna Mining Company

Forward Citations = 140

19 inventors:

goldMedal Adolfo R Zambrano (6 out of 9 patents)

silverMedal Abraham A Dor (3 out of 3 patents)

bronzeMedal Alan English (3 out of 3 patents)

4.  Dennis D Chilcote (2 out of 5 patents)

5.  Barry J Hansen (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Hanna Mining Company. Retrieved from https://idiyas.com/company/hanna-mining-company

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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