Pao-Yin Ou

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Chutung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Pump shell for multistage metal working pump
- Patent number 6,439,835
- Issue date Aug 27, 2002
- Huan-Jan Chien
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Floatable impeller for multistage metal working pump
- Patent number 6,398,493
- Issue date Jun 4, 2002
- Industrial Technology Research Institute
- Huan-Jan Chien
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Sheet metal casing for multistage pump and method for manufacturing...
- Patent number 6,267,555
- Issue date Jul 31, 2001
- Industrial Technology Research Institute
- Huan-Jan Chien
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Centrifugal pump impeller
- Patent number 6,220,819
- Issue date Apr 24, 2001
- Industrial Technology Research Institute
- Huan-Jan Chien
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...