Trademarks = 1

Forward Citations = 3

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2 inventors (with patents filed for the assignee):

Charles G Dannemann (3 out of 7 patents)

Helen Sergerie (2 out of 2 patents)

3 patents: Sort by Forward Citations

1. 12377372 - Apparatus, systems, and processes employing wet/dry suction filter with chicaned suction head (2025-08-05),

2. 12090428 - Systems and processes employing wet/dry suction filter (2024-09-17),

3. 11529573 - Systems and processes employing wet/dry suction filter (2022-12-20),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#6 in Willis, TX

#4,791 in Texas

#73,860 in US

Willis, TX, United States of America

Greatpyr Resources LLC

Forward Citations = 3

2 inventors:

Charles G Dannemann (3 out of 7 patents)

Helen Sergerie (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Greatpyr Resources LLC. Retrieved from https://idiyas.com/company/greatpyr-resources

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]