Inventor · Xing'an, CN

Kao Si

2Patents
1h-index
1Co-inventors
30Inventor score

Filing activity: Jan 29, 2016 → Aug 31, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US10760367B2 Wellhead sealing device of sucker-rod pumping machine Mechanical Engineering; Lighting; Heating 1 Active
US11261687B2 Wellhead sealing device of sucker-rod pumping machine Mechanical Engineering; Lighting; Heating 0 Active

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