% Expired Patents = 25.0

EPO Patents = 2

Trademarks = 1

Forward Citations = 335

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7 inventors (with patents filed for the assignee):

Hugh Miller Herr (7 out of 97 patents)

Zhixiu Han (4 out of 22 patents)

Richard James Casler, Jr (3 out of 32 patents)

4. Rick Casler (2 out of 8 patents)

5. David A Garlow (1 out of 37 patents)

6. Jeff Anthony Weber (1 out of 23 patents)

7. Yossi Alush (1 out of 1 patent)

8. Timothy Mark Dalrymple (31 patents)

9. Christopher M Nook (7 patents)

10. Christopher Eric Barnhart (18 patents)

11. Seth S Kessler (23 patents)

12. Christopher Guy Williams (47 patents)

13. Alexander S Margolin (5 patents)

14. Jennifer T McCarthy (1 patent)

15. Gregory Kent Thompson (11 patents)

8 patents: Sort by Forward Citations

1. 9351856 - Hybrid terrain-adaptive lower-extremity systems (2016-05-31),

2. 9211201 - Hybrid terrain-adaptive lower-extremity systems (2015-12-15),

3. 9084689 - Variable-mechanical-impedance artificial legs (2015-07-21),

4. 9060883 - Biomimetic joint actuators (2015-06-23),

5. 8900325 - Hybrid terrain-adaptive lower-extremity systems (2014-12-02),

6. 8551184 - Variable mechanical-impedance artificial legs (2013-10-08),

7. 8419804 - Hybrid terrain-adaptive lower-extremity systems (2013-04-16),

8. D669673 - Shoe sole (2012-10-30),

Company Overview

Iwalk, Inc. is a leading provider of innovative mobility solutions for individuals with lower leg injuries. Their flagship product, the iWALK2.0, is a hands-free crutch alternative that allows users to maintain their independence while recovering from injuries. The company is dedicated to improving the quality of life for those with mobility challenges through cutting-edge technology and superior customer support.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#57 in Bedford, MA

#2,098 in Massachusetts

#35,924 in US

Bedford, MA, United States of America

Iwalk, Inc.

Forward Citations = 335

7 inventors:

Hugh Miller Herr (7 out of 97 patents)

Zhixiu Han (4 out of 22 patents)

Richard James Casler, Jr (3 out of 32 patents)

4. Rick Casler (2 out of 8 patents)

5. David A Garlow (1 out of 37 patents)

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

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]

2 patents (EPO):

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]