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For the Inventor, By the Inventor

Saint Paul, MN, United States of America

Tc1 LLC


USPTO Granted Patents = 304

% Expired Patents = 4.6


Trademarks = 13

Forward Citations = 4,803

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240 inventors (with patents filed for the assignee):

goldMedal Keif M Fitzgerald (41 out of 64 patents)

silverMedal Paul F Muller (39 out of 57 patents)

bronzeMedal Michael R Butler (38 out of 49 patents)

4.  John Freddy Hansen (35 out of 49 patents)

5.  Richard L Keenan (33 out of 74 patents)

6.  Kevin Bourque (21 out of 36 patents)

7.  Carine Hoarau (21 out of 59 patents)

8.  Ethan Falk Petersen (20 out of 47 patents)

9.  Adam R Tanner (20 out of 21 patents)

10.  Eric T Lee (19 out of 40 patents)

11.  Joseph C Stark, Iii (19 out of 24 patents)

12.  Phyllis Yuen (18 out of 28 patents)

13.  Todd Jenkins (18 out of 24 patents)

14.  Alexander Medvedev (18 out of 21 patents)

15.  Daniel I Harjes (15 out of 32 patents)


Core Competencies:
Catheter Pump
Blood Pump
Circulatory Support
Wireless Energy Transfer
Heart Assist Device
Fluid Handling
Pump Controllers
Impelled Flow
Thermal Performance
Sensor Calibration
Motor Assembly
Aortic Connectors

304 patents:

1. 12738378 - Systems and methods for personalized cardiovascular analyses (2026-09-15),
2. 12734350 - Extracorporeal blood pump assembly and methods of assembling same (2026-09-15),
3. 12708760 - PERCUTANEOUS HEART PUMP DISTAL SEAL (2026-08-18),
4. 12708351 - CATHETER SYSTEM FOR INTRODUCING EXPANDABLE MEDICAL DEVICE AND METHODS OF USING SAME (2026-08-18),
5. 12698776 - Alternating pump gaps (2026-08-04),
6. 12697498 - Using wireless power transfer coils for inductive telemetry (2026-08-04),
7. 12661499 - Sensors for catheter pumps (2026-06-23),
8. 12646953 - Energy management of blood pump controllers (2026-06-02),
9. 12642954 - Sheath system for catheter pump (2026-06-02),
10. 12636507 - Modular flying lead cable and methods for use with heart pump controllers (2026-05-26),
11. 12623083 - System and method for intra-body communication of sensed physiologic data (2026-05-12),
12. 12594415 - Distal bearing support (2026-04-07),
13. 12573879 - Systems and methods for improving thermal performance of wireless power transfer systems (2026-03-10),
14. 12569668 - Impeller for catheter pump (2026-03-10),
15. 12551688 - Heart pump providing adjustable outflow (2026-02-17),
TC1 LLC is a leading technology consulting firm specializing in providing innovative IT solutions for businesses of all sizes. With a team of highly skilled professionals, TC1 offers a wide range of services including software development, cloud computing, cybersecurity, and digital transformation. Our goal is to help our clients leverage technology to drive growth, improve efficiency, and stay ahead of the competition. Visit our website to learn more about our services and explore how we can help your business thrive.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

304 Patents

#8 in Saint Paul, MN

#34 in Minnesota

#1,438 in US

#2,934 in the World

Saint Paul, MN (US)
Saint Paul, MN, United States of America

Tc1 LLC

Forward Citations = 4,803

240 inventors:

goldMedal Keif M Fitzgerald (41 out of 64 patents)

silverMedal Paul F Muller (39 out of 57 patents)

bronzeMedal Michael R Butler (38 out of 49 patents)

4.  John Freddy Hansen (35 out of 49 patents)

5.  Richard L Keenan (33 out of 74 patents)

Please report any incorrect information to [email protected]
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