Growing community of inventors

Willis, TX, United States of America

Helen Sergerie

Average Co-Inventor Count = 2.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 3

Helen SergerieCharles G Dannemann (2 patents)Helen SergerieHelen Sergerie (2 patents)Charles G DannemannCharles G Dannemann (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Greatpyr Resources LLC (2 from 3 patents)


2 patents:

1. 12090428 - Systems and processes employing wet/dry suction filter

2. 11529573 - Systems and processes employing wet/dry suction filter

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as of
12/19/2025
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