% Expired Patents = 37.5

Trademarks = 1

Forward Citations = 106

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3 inventors (with patents filed for the assignee):

Julian P Trangsrud (8 out of 30 patents)

Matthew A Wassman (1 out of 1 patent)

Richard M Odland (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 7682104 - Culvert inlet protection device (2010-03-23),

2. D572802 - Sanitary storm and catch basin trap (2008-07-08),

3. D559959 - Sanitary storm and catch basin trap (2008-01-15),

4. D559958 - Sanitary storm and catch basin trap (2008-01-15),

5. 7309420 - Sanitary, storm and catch basin trap with filter insert (2007-12-18),

6. D557385 - Sanitary storm and catch basin trap (2007-12-11),

7. D556865 - Catch basin flow diverter (2007-12-04),

8. 7300573 - Catch basin filter (2007-11-27),

Company Overview

Royal Concrete Pipe, Inc. is a leading manufacturer of high-quality concrete pipes for various construction projects. With over 50 years of experience, we provide durable and reliable products to meet the needs of our clients. Our team is dedicated to delivering exceptional customer service and innovative solutions in the concrete industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#2 in Stacy, MN

#1,027 in Minnesota

#35,941 in US

Stacy, MN, United States of America

Royal Concrete Pipe, Inc.

Forward Citations = 106

3 inventors:

Julian P Trangsrud (8 out of 30 patents)

Matthew A Wassman (1 out of 1 patent)

Richard M Odland (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Royal Concrete Pipe, Inc.. Retrieved from https://idiyas.com/company/royal-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]