Forward Citations = 13

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3 inventors (with patents filed for the assignee):

Larry R Magnuson (3 out of 12 patents)

Wilbur E Tolliver (2 out of 33 patents)

Wilber E Tolliver (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5634312 - Shear bolt connected structural units (1997-06-03),

2. 5487251 - Apparatus and method for reinforcing cast structures (1996-01-30),

3. 5388951 - Pipe laying and handling apparatus and method (1995-02-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#225 in Indianapolis, IN

#1,041 in Indiana

#73,904 in US

Indianapolis, IN, United States of America

Independent Concrete Pipe Corporation

Forward Citations = 13

3 inventors:

Larry R Magnuson (3 out of 12 patents)

Wilbur E Tolliver (2 out of 33 patents)

Wilber E Tolliver (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Independent Concrete Pipe Corporation. Retrieved from https://idiyas.com/company/independent-concrete-pipe

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]