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For the Inventor, By the Inventor

Saint Paul, MN, United States of America

Acorn Cardiovascular, Inc.


USPTO Granted Patents = 66

% Expired Patents = 34.8


Forward Citations = 5,139

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34 inventors (with patents filed for the assignee):

goldMedal Clifton A Alferness (33 out of 131 patents)

silverMedal J Edward Shapland (15 out of 37 patents)

bronzeMedal Michael J Girard (12 out of 54 patents)

4.  Jody Lee Rivers (11 out of 21 patents)

5.  John C Vanden Hoek (11 out of 20 patents)

6.  John Melmouth Power (10 out of 13 patents)

7.  Jai Shankar Raman (10 out of 11 patents)

8.  Robert G Walsh (8 out of 26 patents)

9.  Donald F Palme, Ii (8 out of 13 patents)

10.  Donald G Rohrbaugh (8 out of 8 patents)

11.  James Edgar Cox (7 out of 28 patents)

12.  John David Dockter (5 out of 7 patents)

13.  James Edward Shapland (5 out of 22 patents)

14.  Hani Naief Sabbah (4 out of 28 patents)

15.  Clif Alferness (3 out of 3 patents)


Core Competencies:
Cardiac Constraint Jacket
Delivery Tool
Cardiac Support Device
Anti-Fibrosis Coating
Ventricular Support
Tension Relief
Reinforcement Device
Cardiac Disease Treatment
Heart Measurement
Controlled Ventricular Pressure
Defibrillating Constraint
Therapeutic Heart Sack

66 patents:

1. 7819797 - Delivery of cardiac constraint jacket (2010-10-26),
2. 7727142 - Delivery tool for cardiac support device (2010-06-01),
3. 7651462 - Cardiac support device delivery tool with release mechanism (2010-01-26),
4. 7651461 - Cardiac support with metallic structure (2010-01-26),
5. 7641608 - Sectional cardiac support device and method of delivery (2010-01-05),
6. 7618364 - Cardiac wall tension relief device and method (2009-11-17),
7. 7578784 - Cardiac support device with differential expansion (2009-08-25),
8. 7575547 - Cardiac support device with anti-fibrosis coating (2009-08-18),
9. 7419466 - Delivery of cardiac constraint jacket (2008-09-02),
10. 7351200 - Cardiac reinforcement device (2008-04-01),
11. 7326174 - Cardiac disease treatment and device (2008-02-05),
12. 7278964 - Cardiac reinforcement device (2007-10-09),
13. 7261684 - Cardiac reinforcement device (2007-08-28),
14. 7255674 - Cardiac reinforcement device (2007-08-14),
15. 7252632 - Cardiac disease treatment and device (2007-08-07),
Company Overview
Acorn Cardiovascular, Inc., based in Saint Paul, MN, specializes in the development of innovative cardiac support devices aimed at improving treatment outcomes for patients with cardiac diseases. The company focuses on advanced technologies such as the Cardiac Constraint Jacket and various delivery tools designed to enhance ventricular support and provide tension relief. Their research encompasses anti-fibrosis coatings and reinforcement devices, contributing to the evolving landscape of cardiac care and support solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

66 Patents

#22 in Saint Paul, MN

#152 in Minnesota

#5,522 in US

#11,155 in the World

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

Acorn Cardiovascular, Inc.

Forward Citations = 5,139

34 inventors:

goldMedal Clifton A Alferness (33 out of 131 patents)

silverMedal J Edward Shapland (15 out of 37 patents)

bronzeMedal Michael J Girard (12 out of 54 patents)

4.  Jody Lee Rivers (11 out of 21 patents)

5.  John C Vanden Hoek (11 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Acorn Cardiovascular, Inc.. Retrieved from https://idiyas.com/company/acorn-cardiovascular

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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