For the Inventor, By the Inventor

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Menlo Park, CA, United States of America

Twelve, Inc.

USPTO Granted Patents = 76

% Expired Patents = 2.6

CIPO Patents = 4

EPO Patents = 27

Trademarks = 2

Forward Citations = 2,790

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41 inventors (with patents filed for the assignee):

John H Morriss (43 out of 132 patents)

Hanson Gifford (41 out of 154 patents)

Matt McLean (24 out of 33 patents)

4. Jean-Pierre Dueri (18 out of 64 patents)

5. Mark E Deem (14 out of 124 patents)

6. David Trask (12 out of 17 patents)

7. Michael Luna (11 out of 125 patents)

8. James I Fann (11 out of 30 patents)

9. Hanson S Gifford, Iii (10 out of 265 patents)

10. Maureen Bensing (9 out of 10 patents)

11. Katie Miyashiro (9 out of 9 patents)

12. Kirsten Valley (9 out of 9 patents)

13. David Jerry Scott (9 out of 39 patents)

14. Jeffry J Grainger (8 out of 26 patents)

15. Matthew McLean (7 out of 47 patents)

Core Competencies:

Prosthetic Heart Valves

Mitral Valve Repair

Hydraulic Delivery Systems

Intravascular Treatment Catheters

Fluid Diversion Devices

Telescoping Capsules

Crimping Devices

Heart Valve Replacement

Support Devices

Implantable Heart Valves

Flow Diversion Devices

Transcatheter Delivery Systems

76 patents: Sort by Forward Citations

1. 12734030 - Prosthetic heart valve devices and associated systems and methods (2026-09-15),

2. 12708509 - PROSTHETIC HEART VALVE DEVICES, PROSTHETIC MITRAL VALVES AND ASSOCIATED SYSTEMS AND METHODS (2026-08-18),

3. 12690964 - Prosthetic heart valve devices, prosthetic mitral valves and associated systems and methods (2026-07-28),

4. 12642651 - Prosthetic heart valve devices, prosthetic mitral valves and associated systems and methods (2026-06-02),

5. 12611302 - Prosthetic heart valve device and associated systems and methods (2026-04-28),

6. 12370042 - Devices, systems and methods for heart valve replacement (2025-07-29),

7. 12329639 - Delivery systems with telescoping capsules for deploying prosthetic heart valve devices and associated methods (2025-06-17),

8. 12324738 - Hydraulic delivery systems with flow diversion devices and associated methods (2025-06-10),

9. 12274632 - Crimping device for loading stents and prosthetic heart valves (2025-04-14),

10. 12201523 - Hydraulic systems for delivering prosthetic heart valve devices and associated methods (2025-01-21),

11. 12186188 - Support devices for transcatheter delivery system handles (2025-01-07),

12. 12178702 - System for mitral valve repair and replacement (2024-12-31),

13. 12161552 - Hydraulic delivery systems for prosthetic heart valve devices and associated methods (2024-12-10),

14. 12016772 - Prosthetic heart valve devices and associated systems and methods (2024-06-25),

15. 11992404 - Fluid diversion devices for hydraulic delivery systems and associated methods (2024-05-28),

Company Overview

Twelve, Inc. is a pioneering medical device company based in Menlo Park, California, specializing in advanced heart valve technology. The organization focuses on the development and manufacturing of innovative prosthetic heart valves and related devices, including solutions for mitral valve repair and heart valve replacement. Their expertise extends to hydraulic delivery systems, intravascular treatment catheters, and fluid diversion devices, contributing to significant advancements in minimally invasive cardiac treatments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

76 Patents

#18 in Menlo Park, CA

#1,131 in California

#4,838 in US

#9,877 in the World

Menlo Park, CA, United States of America

Twelve, Inc.

Forward Citations = 2,790

41 inventors:

John H Morriss (43 out of 132 patents)

Hanson Gifford (41 out of 154 patents)

Matt McLean (24 out of 33 patents)

4. Jean-Pierre Dueri (18 out of 64 patents)

5. Mark E Deem (14 out of 124 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Twelve, Inc.. Retrieved from https://idiyas.com/company/twelve

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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