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USPTO Patent Rankings Data through Dec 31, 2025
Home › Polyflow › Changhui Zhu
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Changhui Zhu — 1 Patent

POPolyflow: 1 patents #3 of 8Top 40%
Malvern, PA: #340 of 529 inventorsTop 65%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Changhui Zhu has been granted 1 US patent while listed as an inventor at Polyflow. All of these patents were granted in 2005. Changhui Zhu ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Changhui Zhu in Malvern, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6978843 Well configuration and method of increasing production from a hydrocarbon well Robert Gleim 2005-12-27

Frequent Collaborators

Robert Gleim1 shared

Nearby-Ranked Inventors

Andrew Whitesides Lloyd1
Xianwu Meng1
Phillip COLETTI1
Yuchen Mao1
Sheng'an ZHANG1
Hayeong Nam1
Pedro Fernando Gomez Fernandez1
Kira Astakhova1
Amir EISEN1