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Andover, MA, United States of America

Transmural Systems LLC

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USPTO Granted Patents = 40

EPO Patents = 8

Forward Citations = 146

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17 inventors (with patents filed for the assignee):

Nasser Rafiee (40 out of 87 patents)

Stuart MacDonald (20 out of 20 patents)

Koosha Rafiee (16 out of 16 patents)

4. Rany Busold (6 out of 30 patents)

5. Robert J Lederman (6 out of 29 patents)

6. Biwei MacDonald (6 out of 6 patents)

7. Morgan House (6 out of 27 patents)

8. Mai Le Diep (6 out of 6 patents)

9. Toby Rogers (4 out of 15 patents)

10. Ozgur Kocaturk (4 out of 24 patents)

11. Alexis Balcom (4 out of 4 patents)

12. Alana Rafiee (3 out of 3 patents)

13. Kanishka Ratnayaka (2 out of 6 patents)

14. Adam Groothuis (2 out of 14 patents)

15. G Randall Green (2 out of 2 patents)

Core Competencies:

Prostheses Delivery

Lumenal Repair

Cardiac Annuloplasty

MRI-Compatible Devices

Tissue Excision

Percutaneous Shunt

Access Catheter

Tissue Cutting

Closure Techniques

Catheter Systems

Manipulators

Transvascular Access

40 patents: Sort by Forward Citations

1. 12758382 - Devices, systems and methods for repairing lumenal systems (2026-10-13),

2. 12727996 - Methods and systems for delivering prostheses using rail techniques (2026-09-08),

3. 12588994 - Devices, systems and methods for repairing lumenal systems (2026-03-31),

4. 12569330 - Percutaneous Potts shunt devices and related methods (2026-03-10),

5. 12544228 - Annuloplasty procedures, related devices and methods (2026-02-10),

6. 12544227 - Annuloplasty procedures, related devices and methods (2026-02-10),

7. 12535542 - MRI-compatible devices (2026-01-27),

8. 12496126 - Tissue cutting systems and methods (2025-12-16),

9. 12490963 - Tissue cutting systems and methods (2025-12-09),

10. 12453590 - Tissue excision, cutting, and removal systems and methods (2025-10-28),

11. 12453580 - Access catheter (2025-10-28),

12. 12433748 - Methods and systems for delivering prostheses using rail techniques (2025-10-07),

13. 12402835 - Catheter and actuator systems and methods (2025-09-02),

14. 12376956 - Percutaneous shunt devices and related methods (2025-08-05),

15. 12245941 - Cardiac annuloplasty procedures, related devices and methods (2025-03-11),

Company Overview

Transmural Systems LLC, based in Andover, MA, specializes in advanced medical technologies focused on improving patient outcomes through innovative solutions. The company is dedicated to developing cutting-edge medical devices and systems that enhance the delivery of care, particularly in the fields of cardiovascular health and diagnostics. By leveraging its expertise in engineering and clinical research, Transmural aims to address critical healthcare challenges and contribute to the evolution of medical practices.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

40 Patents

#8 in Andover, MA

#496 in Massachusetts

#8,637 in US

#17,098 in the World

Andover, MA, United States of America

Transmural Systems LLC

Forward Citations = 146

17 inventors:

Nasser Rafiee (40 out of 87 patents)

Stuart MacDonald (20 out of 20 patents)

Koosha Rafiee (16 out of 16 patents)

4. Rany Busold (6 out of 30 patents)

5. Robert J Lederman (6 out of 29 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Transmural Systems LLC. Retrieved from https://idiyas.com/company/transmural-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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