logo

For the Inventor, By the Inventor

Willis, TX, United States of America

Greatpyr Resources LLC


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 3

Loading Chart...
Loading Chart...

2 inventors (with patents filed for the assignee):

goldMedal Charles G Dannemann (3 out of 7 patents)

silverMedal Helen Sergerie (2 out of 2 patents)


3 patents:

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),
logo

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#6 in Willis, TX

#4,679 in Texas

#71,953 in US

...
Willis, TX, United States of America

Greatpyr Resources LLC

Forward Citations = 3

2 inventors:

goldMedal Charles G Dannemann (3 out of 7 patents)

silverMedal Helen Sergerie (2 out of 2 patents)

Please report any incorrect information to support@idiyas.com
Loading…