Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QC

Qingfeng Cheng — 2 Patents

Xinxiang, CN: #9 of 61 inventorsTop 15%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Qingfeng Cheng has been granted 2 US patents. The first was granted in 2018 and the most recent in November 2025. Qingfeng Cheng ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Qingfeng Cheng in Xinxiang, CN.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12479756 Methods, vacuum insulated glazing units produced thereby, and sealants Yuxuan Gong, Jason Kantola, Paul Hemingfield, Franklin K. Rolles, David Yagla +2 more 2025-11-25
10072899 Spiral louver shaped condenser with multilayer spatial structure Xiangqi Gao, Jinfa Zhang, Baojia Kang, Zhouzheng Han, Song Zhang +3 more 2018-09-11