Wen-Chun Hwang

Person

Tainan Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating wastewater containing active sludge
- Patent number 7,517,454
- Issue date Apr 14, 2009
- Kang Na Hsuing Enterprise Co., Ltd.
- Yen-Jung Hu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Wastewater treating system
- Patent number 7,501,060
- Issue date Mar 10, 2009
- Kang Na Hsiung Enterprise Co., Ltd.
- Yen-Jung Hu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Tool exchange device for machining centers
- Patent number 5,947,878
- Issue date Sep 7, 1999
- National Science Council
- Wen-Miin Hwang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Elliptic trammel mechanism for automatic tool changing apparatus
- Patent number 5,816,987
- Issue date Oct 6, 1998
- National Science Council
- Hong-Sen Yan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Automatic tool changing apparatus
- Patent number 5,749,819
- Issue date May 12, 1998
- National Science Council
- Hong-Sen Yan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Variable pitch cyclindrical cam mechanism for controlling the motio...
- Patent number 5,526,851
- Issue date Jun 18, 1996
- National Science Council
- Wen-Miin Hwang
- D03 - WEAVING
Information Patent Grant
Variable pitch cylindrical cam mechanism for controlling the motion...
- Patent number 5,320,143
- Issue date Jun 14, 1994
- National Science Council
- Wen-Miin Hwang
- D03 - WEAVING

Patents Applicationslast 30 patents

Information Patent Application
Method for treating wastewater containing active sludge
- Publication number 20080099398
- Publication date May 1, 2008
- Yen-Jung Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Wastewater treating system
- Publication number 20080011677
- Publication date Jan 17, 2008
- Yen-Jung Hu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Wen-Chun Hwang

Person

Patents Grantslast 30 patents

Method for treating wastewater containing active sludge

Wastewater treating system

Tool exchange device for machining centers

Elliptic trammel mechanism for automatic tool changing apparatus

Automatic tool changing apparatus

Variable pitch cyclindrical cam mechanism for controlling the motio...

Variable pitch cylindrical cam mechanism for controlling the motion...

Patents Applicationslast 30 patents

Method for treating wastewater containing active sludge

Wastewater treating system