% Expired Patents = 50.0

Trademarks = 13

Forward Citations = 48

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9 inventors (with patents filed for the assignee):

Roger B Aldrich (2 out of 5 patents)

Brian A Henn (1 out of 1 patent)

David R Bergholz (1 out of 1 patent)

4. Darwin P Knecht (1 out of 1 patent)

5. Barry M Richard (1 out of 1 patent)

6. Kenneth R Graham (1 out of 1 patent)

7. Roger W Hike (1 out of 1 patent)

8. Gary R White (1 out of 2 patents)

9. Richard J Mullen (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 6869092 - Slide-out deck for a recreational vehicle (2005-03-22),

2. 6709211 - Girt or purlin retainer and method of using same (2004-03-23),

3. 6637347 - Anti-spin/anti-drift module for railway car door (2003-10-28),

4. 4506449 - Rocker clip assembly (1985-03-26),

5. 4344314 - Alignment apparatus (1982-08-17),

6. 4319602 - Vacuum check bowl (1982-03-16),

Company Overview

Chief Industries, Inc. is a diversified manufacturing and construction company with businesses in multiple industries including agriculture, construction, freight transportation, and more. Founded in 1954, Chief Industries has a long history of providing high-quality products and services to customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#4 in Grand Island, NE

#117 in Nebraska

#44,981 in US

Grand Island, NE, United States of America

Chief Industries, Inc.

Forward Citations = 48

9 inventors:

Roger B Aldrich (2 out of 5 patents)

Brian A Henn (1 out of 1 patent)

David R Bergholz (1 out of 1 patent)

4. Darwin P Knecht (1 out of 1 patent)

5. Barry M Richard (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chief Industries, Inc.. Retrieved from https://idiyas.com/company/chief-industries

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]