% Expired Patents = 66.7

CIPO Patents = 1

EPO Patents = 3

Forward Citations = 19

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6 inventors (with patents filed for the assignee):

George Kadlicko (5 out of 17 patents)

Jeffrey Maney (3 out of 3 patents)

John Gregorio (2 out of 4 patents)

4. Tobin Gimber (2 out of 2 patents)

5. Mike Mihajlovic (1 out of 1 patent)

6. William C Pizzo (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 9989056 - Hydraulic pump with integrated clutch (2018-06-05),

2. 9746005 - Velocity control for hydraulic control system (2017-08-29),

3. 9222486 - Engine augmentation of hydraulic control system (2015-12-29),

4. 9115770 - Rotary hydraulic machine and controls (2015-08-25),

5. 8596055 - Hydraulic drive system (2013-12-03),

6. 8196397 - Hydraulic drive system (2012-06-12),

Company Overview

Concentric Rockford Inc. is a leading manufacturer and distributor of precision hydraulic components and systems. With a rich history of over 50 years in the industry, we specialize in delivering high-quality, reliable solutions for various applications. Our products are known for their durability, efficiency, and performance, making us a trusted partner for customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#47 in Rockford, IL

#2,112 in Illinois

#45,007 in US

Rockford, IL, United States of America

Concentric Rockford Inc.

Forward Citations = 19

6 inventors:

George Kadlicko (5 out of 17 patents)

Jeffrey Maney (3 out of 3 patents)

John Gregorio (2 out of 4 patents)

4. Tobin Gimber (2 out of 2 patents)

5. Mike Mihajlovic (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Concentric Rockford Inc.. Retrieved from https://idiyas.com/company/concentric-rockford

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]

1 patent (CIPO):

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]

3 patents (EPO):

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]