% Expired Patents = 33.3

Forward Citations = 11

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6 inventors (with patents filed for the assignee):

Uday Prakash Karmarkar (2 out of 12 patents)

Walter B Samples (1 out of 1 patent)

Uday Prakash Karmarker (1 out of 1 patent)

4. Hisham Tawfig Mohamed (1 out of 1 patent)

5. Blake Edward Matthies (1 out of 2 patents)

6. C Robert Samples (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 7939158 - Double walled structural reinforcement (2011-05-10),

2. 7249497 - Apparatus and method for predicting tire life relative to belt-leaves-belt failures (2007-07-31),

3. 7208063 - Double walled structural reinforcement (2007-04-24),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#98 in Akron, OH

#2,864 in Ohio

#73,904 in US

Akron, OH, United States of America

Akron Rubber Development Laboratory, Inc.

Forward Citations = 11

6 inventors:

Uday Prakash Karmarkar (2 out of 12 patents)

Walter B Samples (1 out of 1 patent)

Uday Prakash Karmarker (1 out of 1 patent)

4. Hisham Tawfig Mohamed (1 out of 1 patent)

5. Blake Edward Matthies (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Akron Rubber Development Laboratory, Inc.. Retrieved from https://idiyas.com/company/akron-rubber-development-laboratory

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]