% Expired Patents = 20.0

Forward Citations = 37

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3 inventors (with patents filed for the assignee):

Steven T Bidwell (4 out of 4 patents)

Murray A Rowe (1 out of 9 patents)

Ewald R Ulmer (1 out of 6 patents)

5 patents: Sort by Forward Citations

1. 6634114 - Gage set for measuring inside and outside diameters of ring shaped parts (2003-10-21),

2. D398866 - Free style swing gage (1998-09-29),

3. D395247 - Centerline hub body (1998-06-16),

4. 5711083 - Gage set for measuring inside and outside diameters of ring-shaped parts (1998-01-27),

5. 4484834 - Pavers (1984-11-27),

Company Overview

Bidwell Corporation is a leading provider of innovative construction equipment and machinery. With a focus on quality and efficiency, Bidwell offers a wide range of products including concrete pavers, asphalt pavers, and bridge deck finishers. With over 50 years of experience in the industry, Bidwell continues to set the standard for excellence in construction equipment.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

5 Patents

#4 in Enfield, CT

#1,030 in Connecticut

#51,570 in US

Enfield, CT, United States of America

Bidwell Corporation

Forward Citations = 37

3 inventors:

Steven T Bidwell (4 out of 4 patents)

Murray A Rowe (1 out of 9 patents)

Ewald R Ulmer (1 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bidwell Corporation. Retrieved from https://idiyas.com/company/bidwell

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]