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For the Inventor, By the Inventor

Salt Lake City, UT, United States of America

Roman Cement, LLC

Calculating rank
USPTO Granted Patents = 28



Trademarks = 3

Forward Citations = 395

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2 inventors (with patents filed for the assignee):

goldMedal John M Guynn (28 out of 39 patents)

silverMedal Andrew S Hansen (12 out of 46 patents)


Core Competencies:
Cement-SCM Compositions
Supplementary Cementitious Materials
Mineral Fines
Fly Ash
Quarry Fines
Pozzolans
High Early Strength
Particle Packed Blends
Narrow PSD Hydraulic Cement
White Cementitious Compositions
Beneficiated Fly Ash
Clinker Reduction

28 patents:

1. 12540101 - Non-hydraulically reactive particulate mineral compositions for reducing cement content in concrete (2026-02-03),
2. 12435000 - Compositions and methods for making blended supplementary cementitious materials (2025-10-07),
3. 12428353 - Classification and recombination of different SCM and cement fractions to efficiently manufacture cement-SCM compositions (2025-09-30),
4. 12151974 - Use of mineral fines to reduce clinker content of cementitious compositions (2024-11-26),
5. 11746048 - Cement-SCM compositions and methods and systems for their manufacture (2023-09-05),
6. 11655186 - Activitation of natural pozzolans (2023-05-23),
7. RE49415 - Particle packed cement-SCM blends (2023-02-13),
8. 11472737 - Process for improving fly ash quality, improved fly ash, and cementitious compositions containing improved fly ash (2022-10-18),
9. 11168029 - Use of mineral fines to reduce clinker content of cementitious compositions (2021-11-09),
10. 10968137 - Process for beneficiating fly ash, beneficiated fly ash, and cementitious compositions containing beneficiated fly ash (2021-04-06),
11. 10737980 - Use of mineral fines to reduce clinker content of cementitious compositions (2020-08-11),
12. 10730805 - Use of quarry fines and/or limestone powder to reduce clinker content of cementitious compositions (2020-08-04),
13. 10526248 - White cementitious compositions (2020-01-07),
14. 10494298 - Cement-SCM compositions and methods and systems for their manufacture (2019-12-03),
15. 10233116 - Activitation of natural pozzolans (2019-03-19),
Company Overview
Roman Cement, LLC, based in Salt Lake City, UT, specializes in the development and manufacturing of innovative cement products. The company focuses on creating advanced materials that enhance construction processes and improve structural integrity. With a commitment to sustainability, Roman Cement integrates eco-friendly practices into its production methods, aiming to reduce environmental impact while delivering high-performance solutions for the construction industry. Their expertise spans various applications, catering to both commercial and residential projects.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

28 Patents

#55 in Salt Lake City, UT

#143 in Utah

#12,036 in US

#23,351 in the World

Salt Lake City, UT (US)
Salt Lake City, UT, United States of America

Roman Cement, LLC

Forward Citations = 395

2 inventors:

goldMedal John M Guynn (28 out of 39 patents)

silverMedal Andrew S Hansen (12 out of 46 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Roman Cement, LLC. Retrieved from https://idiyas.com/company/roman-cement

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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