Hong Yi Zeng

Follow

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Diaphragm pump with inlet pathways passing through mounting holes
- Patent number 9,217,425
- Issue date Dec 22, 2015
- Johnson Electric S.A.
- Wan Hor Looi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
DIAPHRAGM PUMP
- Publication number 20120315166
- Publication date Dec 13, 2012
- Wan Hor Looi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...