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For the Inventor, By the Inventor

Sparks, MD, United States of America

Active Minerals International, LLC


USPTO Granted Patents = 13


Trademarks = 10

Forward Citations = 7

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18 inventors (with patents filed for the assignee):

goldMedal Dennis Clay Parker (10 out of 14 patents)

silverMedal Robert J Purcell, Jr (7 out of 7 patents)

bronzeMedal Bo Wang (6 out of 24 patents)

4.  Matthew J Lyman (4 out of 4 patents)

5.  Steven B Feldman (4 out of 4 patents)

6.  John W Kitchens (3 out of 3 patents)

7.  Rudolph Coetzee (3 out of 3 patents)

8.  Dennis Parker (3 out of 3 patents)

9.  Donald Keith Mills (2 out of 2 patents)

10.  Charles Pettit (2 out of 2 patents)

11.  James Cutright (2 out of 2 patents)

12.  Thomas S Cortner (2 out of 10 patents)

13.  Paul Fendley (2 out of 2 patents)

14.  Scott Kevin Palm (2 out of 26 patents)

15.  Jeffery Carr, Jr (1 out of 1 patent)


13 patents:

1. 12654148 - Thermally activated bleaching clay product for oil bleaching (2026-06-16),
2. 12502651 - Product for PFAS adsorption (2025-12-23),
3. 12350644 - Product for PFAS adsorption (2025-07-08),
4. 12138576 - Product for metal adsorption (2024-11-12),
5. 11992822 - Thermally activated bleaching clay product for oil bleaching (2024-05-28),
6. 11883772 - Product for metal adsorption (2024-01-30),
7. 11708307 - Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof (2023-07-25),
8. 11198646 - Composition to completely or partially replace ball clay in ceramics, method of making, and use thereof (2021-12-14),
9. 10683242 - Thixotropic suspension agent for plant nutrients or animal feed supplements: composition, method of making, and use thereof (2020-06-16),
10. 9670011 - Method of transshipping solid particulates in an aqueous suspension of solid particulates using mineral suspending agent (2017-06-06),
11. 9573849 - Backfill, methods of making, and use thereof (2017-02-21),
12. 9511955 - Mineral suspending agent, method of making, and use thereof (2016-12-06),
13. 9416052 - Concrete materials with modified rheology, methods of making, and uses thereof (2016-08-16),
Company Overview
Active Minerals International, LLC is a leading provider of industrial minerals, specializing in the development and manufacturing of high-quality products derived from natural resources. The company focuses on the extraction and processing of minerals such as kaolin and attapulgite, which are utilized in various applications including ceramics, plastics, and construction materials. Headquartered in Sparks, Maryland, Active Minerals serves a global market, emphasizing innovation and sustainability in its operations to meet diverse customer needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Active Minerals International, LLC USPTO Patent Assignee Logo
13 Patents

#3 in Sparks, MD

#331 in Maryland

#23,838 in US

#45,039 in the World

Sparks, MD (US)
Sparks, MD, United States of America

Active Minerals International, LLC

Forward Citations = 7

18 inventors:

goldMedal Dennis Clay Parker (10 out of 14 patents)

silverMedal Robert J Purcell, Jr (7 out of 7 patents)

bronzeMedal Bo Wang (6 out of 24 patents)

4.  Matthew J Lyman (4 out of 4 patents)

5.  Steven B Feldman (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Active Minerals International, LLC. Retrieved from https://idiyas.com/company/active-minerals-international

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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