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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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242 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, based in Saint Paul, MN, specializes in advanced catheter pump technology aimed at enhancing circulatory support. The company focuses on developing innovative solutions such as blood pumps and heart assist devices, integrating cutting-edge techniques in wireless energy transfer and fluid handling. Their expertise extends to pump controllers and impelled flow systems, positioning Tc1 LLC as a key player in the medical device sector dedicated to improving patient outcomes through sophisticated circulatory management technologies.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

304 Patents

#8 in Saint Paul, MN

#35 in Minnesota

#1,441 in US

#2,939 in the World

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

Tc1 LLC

Forward Citations = 4,803

242 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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