Chun-Chih Chen

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Changhua Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Air pump assembly for a power chuck
- Patent number 8,770,222
- Issue date Jul 8, 2014
- Autogrip Machinery Co., Ltd.
- Chun-Chih Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotatable cylinder
- Patent number 6,640,686
- Issue date Nov 4, 2003
- Chia Her Machinery Co., Ltd.
- Chun-Chih Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for manufacturing a shoe sole having two densities
- Patent number 6,045,733
- Issue date Apr 4, 2000
- Pao Chen Corporation
- Shih-Chien Chu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BICYCLE HANDLEBAR STEM ASSEMBLY
- Publication number 20240208602
- Publication date Jun 27, 2024
- J.D. COMPONENTS CO., LTD.
- Pin-Chieh FENG
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
AIR PUMP ASSEMBLY FOR A POWER CHUCK
- Publication number 20140001711
- Publication date Jan 2, 2014
- Chun-Chih CHEN
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Chuck
- Publication number 20040119249
- Publication date Jun 24, 2004
- Chun-Chih Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Rotatable cylinder
- Publication number 20020112576
- Publication date Aug 22, 2002
- Chia Her Machinery Co., Ltd.
- Chun-Chih Chen
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC