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For the Inventor, By the Inventor

Baltimore, MD, United States of America

Mra Systems, Inc.

Calculating rank
USPTO Granted Patents = 44



Forward Citations = 251

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45 inventors (with patents filed for the assignee):

goldMedal Graham Frank Howarth (22 out of 26 patents)

silverMedal David Patrick Calder (21 out of 26 patents)

bronzeMedal Andrew Michael Roach (14 out of 17 patents)

4.  Michael Moses Martinez (8 out of 10 patents)

5.  Rudramuni Kariveerappa Majjigi (5 out of 7 patents)

6.  Mahendra Maheshwari (5 out of 7 patents)

7.  Wendy Wenling Lin (4 out of 33 patents)

8.  Timothy Robert Beasman (4 out of 4 patents)

9.  Steven Thomas Davies (4 out of 4 patents)

10.  Richard David Cedar (4 out of 15 patents)

11.  Aaron Goldsholl (3 out of 3 patents)

12.  Allen Madsen Woolley (3 out of 3 patents)

13.  Qiming Song (2 out of 2 patents)

14.  Julian Alexander Opificius (2 out of 8 patents)

15.  Egbert Geertsema (2 out of 27 patents)


Core Competencies:
Aircraft Engine
Thrust Reverser
Acoustic Liner
Turbine Engine
Composite Structures
Acoustic Absorption
Nacelle Assembly
Thermal Insulation
Gas Turbine
Variable Area Nozzle
Ice Protection System
Acoustically Attenuating

44 patents:

1. 12134480 - Aircraft engine nacelle cowling mechanism (2024-11-05),
2. 11915679 - Continuous degree of freedom acoustic cores (2024-02-27),
3. 11434819 - Acoustic liners with enhanced acoustic absorption and reduced drag characteristics (2022-09-06),
4. 11378037 - Thrust reverser assembly and method of operating (2022-07-05),
5. 11227576 - Continuous degree of freedom acoustic cores (2022-01-18),
6. 11149686 - Thrust reverser assembly (2021-10-19),
7. 11060331 - Engine door and latch assembly (2021-07-13),
8. 10995699 - Thrust reverser cascade (2021-05-04),
9. 10971128 - Acoustic liner and methods of constructing an acoustic liner (2021-04-06),
10. 10961913 - Acoustic liners for use in a turbine engine (2021-03-30),
11. 10876479 - Acoustic liner having multiple layers (2020-12-29),
12. 10851734 - Thrust reverser assembly (2020-12-01),
13. 10851713 - Acoustic liner having internal structure (2020-12-01),
14. 10837368 - Acoustic liner and method of forming an acoustic liner (2020-11-17),
15. 10634060 - Engine door with burst seal (2020-04-28),
Company Overview
Mra Systems, Inc. is a specialized engineering firm based in Baltimore, MD, focusing on advanced technologies for the aerospace sector. The company develops and manufactures critical components such as aircraft engine nacelles, acoustic liners, and thrust reverser assemblies. Mra Systems is also engaged in the innovation of gas turbine engines, thermal insulation blankets, and composite materials, contributing to enhanced performance and safety in aviation. Their expertise extends to turbomachine nacelles and ice protection systems, reflecting a commitment to cutting-edge aerospace solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Mra Systems, Inc. USPTO Patent Assignee Logo
44 Patents

#9 in Baltimore, MD

#92 in Maryland

#7,963 in US

#15,771 in the World

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

Mra Systems, Inc.

Forward Citations = 251

45 inventors:

goldMedal Graham Frank Howarth (22 out of 26 patents)

silverMedal David Patrick Calder (21 out of 26 patents)

bronzeMedal Andrew Michael Roach (14 out of 17 patents)

4.  Michael Moses Martinez (8 out of 10 patents)

5.  Rudramuni Kariveerappa Majjigi (5 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mra Systems, Inc.. Retrieved from https://idiyas.com/company/mra-systems

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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