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Raleigh, NC, United States of America

Martin Marietta Materials, Inc.

USPTO Granted Patents = 27

% Expired Patents = 44.4

Trademarks = 3

Forward Citations = 644

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34 inventors (with patents filed for the assignee):

Chris Dumlao (8 out of 8 patents)

Eric Abrahamson (7 out of 7 patents)

Joseph Anthony Seiter (5 out of 6 patents)

4. Ronald J Zupancich, Sr (4 out of 5 patents)

5. Paul Willard Peterson, Jr (4 out of 4 patents)

6. Alan K Miller (3 out of 15 patents)

7. Les Fisher (3 out of 3 patents)

8. Kristina Lauraitis (3 out of 3 patents)

9. Gregory J Solomon (2 out of 3 patents)

10. Dennis Joseph Skaradzinski (2 out of 2 patents)

11. Ulhas S Sawant (2 out of 4 patents)

12. Walter William Wuerfel, Iii (2 out of 2 patents)

13. Larry C Dickinson (2 out of 2 patents)

14. David W Jahn (2 out of 2 patents)

15. Stephen Misencik (1 out of 7 patents)

Core Competencies:

Composite Structures

Insulated Cargo Containers

Blast-Resistant Panels

Refrigerated Trailers

Flame-Retardant Compositions

Modular Components

Fiber Reinforced Polymer

Cargo Bed Structures

Aggregate Particle Shapes

Cone Crusher

Load Bearing Deck

Panel Apparatus

27 patents: Sort by Forward Citations

1. 8342588 - Insulated composite body panel structure for a refrigerated truck body (2013-01-01),

2. 8186747 - Modular composite structural component and structures formed therewith (2012-05-29),

3. 7980165 - Modular blast-resistant panel system for reinforcing existing structures (2011-07-19),

4. 7790076 - Foam insulating liners and methods for manufacturing the same (2010-09-07),

5. 7608313 - Panel apparatus with supported connection (2009-10-27),

6. 7594474 - Open-top rail car covers and open-top rail cars employing the same (2009-09-29),

7. 7587984 - Insulated cargo containers (2009-09-15),

8. 7578534 - Structural panel for a refrigerated trailer comprising an integrated bulkhead structure for promoting air flow (2009-08-25),

9. 7575264 - Cargo bed structure comprising fiber reinforced polymer components (2009-08-18),

10. 7562508 - Shelter and associated method of assembly (2009-07-21),

11. 7514489 - Flame-retardant magnesium hydroxide compositions and associated methods of manufacture and use (2009-04-07),

12. 7451995 - King pin assembly for securing trailer to fifth wheel (2008-11-18),

13. 7434520 - Insulated cargo container doors (2008-10-14),

14. 7353960 - Cargo container with insulated floor (2008-04-08),

15. 7163100 - Reciprocating floor structure (2007-01-16),

Company Overview

Martin Marietta Materials, Inc. is a leading supplier of aggregates and heavy building materials in the United States. The company specializes in the production of crushed stone, sand, and gravel, which are essential for infrastructure projects, commercial construction, and residential development. With a strong focus on sustainability, Martin Marietta integrates innovative practices in its operations to enhance efficiency and reduce environmental impact. The company serves a diverse range of markets across the U.S., contributing to the growth of communities through its materials and expertise.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#32 in Raleigh, NC

#288 in North Carolina

#12,428 in US

#24,034 in the World

Raleigh, NC, United States of America

Martin Marietta Materials, Inc.

Forward Citations = 644

34 inventors:

Chris Dumlao (8 out of 8 patents)

Eric Abrahamson (7 out of 7 patents)

Joseph Anthony Seiter (5 out of 6 patents)

4. Ronald J Zupancich, Sr (4 out of 5 patents)

5. Paul Willard Peterson, Jr (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Martin Marietta Materials, Inc.. Retrieved from https://idiyas.com/company/martin-marietta-materials

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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