Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734093 | Mechanism for modulating diffuser vane of diffuser | Cheng-Chung Yen, Ching-Fu Chen, Yung-Lo Chow | 2014-05-27 |
| 8177521 | System and method for monitoring and controlling oil return to compressor | Chun-Han Chen, Ching-Fu Chen, Yun-Jui Chung, Yen-Chieh Wang | 2012-05-15 |
| 8113799 | Oil-free centrifugal blade compressor and magnetic-gas bearing thereof | Teng-Yuan Wu, Cheng-Chung Yen, Jiing-Fu Chen | 2012-02-14 |
| 7841825 | Method for predicting surge in compressor | Chun-Han Chen, Jiing-Fu Chen, Chung-Che Liu, Yun-Jui Chung | 2010-11-30 |
| 7789616 | Rotor mechanism of centrifugal compressor | Cheng-Chung Yen, Jiing-Fu Chen, Yung-Lo Chow, Chun-Han Chen | 2010-09-07 |
| 7789627 | Centrifugal impeller | Jiing-Fu Chen, Yung-Lo Chow, Cheng-Chung Yen | 2010-09-07 |
| 7641439 | Flow passage structure for refrigerant compressor | Jiing-Fu Chen, Yung-Lo Chow, Cheng-Chung Yen | 2010-01-05 |
| 6487936 | Auxiliary-bicycle torsion sensing and large gear plate minimization apparatus | Ching-Huei Wu, Ching-Wen Liu, Cheng-Chung Yen, Chih-Ming Liang | 2002-12-03 |
| 5921363 | Free wheel rotary body structure of a bicycle | Pai-Hsiang Hsu, Chang-Dau Yan, Yuh-Ming Hwang | 1999-07-13 |
| 5913386 | Cushion mechanism for a brake of a bicycle | Caesar Chen | 1999-06-22 |
| 5876159 | Sprocket trimming method for the multi-stage sprocket assembly | Ching-Huan Tseng, Chwan-Cherng Wang, Chung-Biau Tsay, Pai-Hsiang Hsu | 1999-03-02 |
| 5865698 | Rear derailleur for use in bicycles | Jack Huang, Chan-Hua Feng | 1999-02-02 |
| 5732593 | Bicycle speed changing apparatus | Yuh-Ming Hwang, Chang-Dau Yan | 1998-03-31 |
| 5673594 | Speed change lever apparatus for use in bicycles | Jack Huang, Chan-Hua Feng, Yuh-Ming Hwang | 1997-10-07 |
| 5632226 | Bicycle speed indicator | Jack Huang, Chan-Hua Feng | 1997-05-27 |
| 5588331 | Rotary shifter for bicycle | Jack Huang, Chan-Hua Feng | 1996-12-31 |