Rudolph Bergsma Trust

Calculating rank

USPTO Granted Patents = 3

Forward Citations = 23

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3 inventors (with patents filed for the assignee):

Gary Don Cochran (2 out of 4 patents)

Rosemary Bergsma, Legal Representative (1 out of 3 patents)

Rudolph Bergsma (1 out of 24 patents)

3 patents: Sort by Forward Citations

1. 7673509 - Magnetically coupled drive for a sealed liquid level sender (2010-03-09),

2. 6990862 - Hermetic fuel level sender having tank bottom referencing (2006-01-31),

3. 6851315 - Hermetic fuel level sender (2005-02-08),

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USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#192 in Ann Arbor, MI

#2,496 in Michigan

#73,904 in US

Ann Arbor, MI, United States of America

Rudolph Bergsma Trust

Forward Citations = 23

3 inventors:

Gary Don Cochran (2 out of 4 patents)

Rosemary Bergsma, Legal Representative (1 out of 3 patents)

Rudolph Bergsma (1 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rudolph Bergsma Trust. Retrieved from https://idiyas.com/company/rudolph-bergsma-trust

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]