Inventor · Jinan, CN

Sifeng Bi

1Patents
0h-index
6Co-inventors
19Inventor score

Filing activity: Nov 29, 2023 → Nov 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US12168912B1 Downhole hydraulic directional control valve used by hydraulic power pumps and working method thereof Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.