Inventor

HE DAXIN

US2 patents

⚠️ This page may combine multiple inventors who share the name “HE DAXIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

1 patent

US5897772AApr 27, 1999

Multi-stage flotation column

38 citations81

JIANGXI PROVINCE FENGHE YINGZAO GROUP CO LTD

1 patent

US9915048B2Mar 13, 2018

Method for river/lake level regulation and water conservancy system

JIANGXI PROVINCE FENGHE YINGZAO GROUP CO LTD2 citations62