Inventor

ZHAI SONGMAO

CN3 patents

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

ZHAI SONGMAO

2 patents

US9255577B2Feb 9, 2016

Large-scale submersible sewage pump

ZHAI SONGMAO2 citations49

US9103452B2Aug 11, 2015

Large-scale hydraulic variable-speed floating box flap valve

ZHAI SONGMAO0 citations33

NINGBO JUSHEN PUMPS IND CO LTD

1 patent

US9816508B2Nov 14, 2017

Dry-type cable wire outlet device for a submersible electrical pump

NINGBO JUSHEN PUMPS IND CO LTD0 citations24