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Ning Lei

📍 Huizhou, IL: #1 of 1 inventorsTop 100%
Overall (2004): #12,812 of 270,089Top 5%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6772742 Method and apparatus for flexibly regulating internal combustion engine valve flow Qianfan Xin 2004-08-10
6745958 Dual control valve 2004-06-08
6742504 Pressure wave attenuator for a rail Kenneth R. Seymour, II, Sidi Ould Sadfa, James Henry Yager, Xilin Yang, Kalyan Singh Bagga +1 more 2004-06-01
6684853 Fuel injector with direct needle valve control 2004-02-03