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Hsinchu, TW
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Patents Grants
last 30 patents
Information
Patent Grant
Integrally formed stamped sheet-metal blades having 3D structure
Patent number
6,634,856
Issue date
Oct 21, 2003
Industrial Technology Research Insitute
Huan-Jan Chien
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Integrally formed stamping sheet-metal blades having 3D structure
Patent number
6,506,023
Issue date
Jan 14, 2003
Industrial Technology Research Institute
Huan-Jan Chien
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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
Patents Applications
last 30 patents
Information
Patent Application
Integrally formed stamping sheet-metal blades having 3D structure
Publication number
20020119049
Publication date
Aug 29, 2002
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
Huan-Jan Chien
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...