For the Inventor, By the Inventor

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Bellefonte, PA, United States of America

Graymont (Pa) Inc.

USPTO Granted Patents = 10

CIPO Patents = 1

Trademarks = 8

Forward Citations = 26

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15 inventors (with patents filed for the assignee):

Jared Ira Leikam (7 out of 24 patents)

Joseph Lewis (6 out of 10 patents)

Michael John Tate (5 out of 28 patents)

4. Shiaw Tseng (4 out of 6 patents)

5. Michael Thomas Roach (4 out of 208 patents)

6. Harold Wayne Lee, Ii (3 out of 3 patents)

7. Laura L Kinner (3 out of 3 patents)

8. Douglas C Murdock (3 out of 4 patents)

9. Fred Douglas Blackham (3 out of 3 patents)

10. John B Heintzelman (3 out of 3 patents)

11. Nikolas Andrei Romaniuk (1 out of 20 patents)

12. Narain Hariharan (1 out of 14 patents)

13. Jesse Wayne Fox (1 out of 12 patents)

14. Brent LaMar (1 out of 1 patent)

15. Brent Lamar (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 12709547 - PRODUCTION OF CALCIUM CARBONATE VIA SOLID-STATE CALCIUM HYDROXIDE PARTICLES AND CARBON DIOXIDE, AND ASSOCIATED SYSTEMS AND METHODS (2026-08-18),

2. 12515165 - Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles (2026-01-06),

3. 11883776 - Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles (2024-01-30),

4. 11344844 - Calcium hydroxide-containing compositions and associated systems and methods (2022-05-31),

5. 10898851 - Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles (2021-01-26),

6. 10894730 - Geotechnical characteristics of tailings via lime addition (2021-01-19),

7. 10874982 - Calcium hydroxide-containing compositions and associated systems and methods (2020-12-29),

8. 10870585 - Production of calcium carbonate via solid-state calcium hydroxide particles and carbon dioxide, and associated systems and methods (2020-12-22),

9. 10610825 - Calcium hydroxide-containing compositions and associated systems and methods (2020-04-07),

10. 10369518 - Calcium hydroxide-containing compositions and associated systems and methods (2019-08-06),

Graymont is a leading supplier of lime and limestone products with operations throughout North America and Asia-Pacific. With a mission to be the leading supplier of lime and limestone products in the world, Graymont serves a broad range of industries including agriculture, construction, and environmental applications.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

10 Patents

#6 in Bellefonte, PA

#1,082 in Pennsylvania

#29,802 in US

#55,915 in the World

Bellefonte, PA, United States of America

Graymont (Pa) Inc.

Forward Citations = 26

15 inventors:

Jared Ira Leikam (7 out of 24 patents)

Joseph Lewis (6 out of 10 patents)

Michael John Tate (5 out of 28 patents)

4. Shiaw Tseng (4 out of 6 patents)

5. Michael Thomas Roach (4 out of 208 patents)

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