Chiang; Pi-Yun
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chiang; Pi-Yun.The latest application filed is for "two-direction hub assembly".
- Chiang; Pi-Yun - Taichung Hsien TW
- Chiang; Pi-Yun - Ta Ya Hsiang TW
| Patent | Date |
|---|---|
| Bicycle hub assembly with two bearings Grant 8,474,587 - Chiang July 2, 2 | 2013-07-02 |
| Positioning device for battery box Grant 8,413,947 - Chiang April 9, 2 | 2013-04-09 |
| Two-direction Hub Assembly App 20120228923 - CHIANG; PI-YUN | 2012-09-13 |
| Bearing Positioning Device For Hub Assembly App 20120193972 - CHIANG; PI-YUN | 2012-08-02 |
| Positioning Device For Battery Box App 20120145852 - CHIANG; PI-YUN | 2012-06-14 |
| Bicycle Hub Assembly With Two Transmission Directions App 20120133199 - CHIANG; PI-YUN | 2012-05-31 |
| Bicycle hub assembly Grant 8,038,225 - Chiang October 18, 2 | 2011-10-18 |
| Hub Ratchet Driving Device For Bicycles App 20110220450 - CHIANG; PI-YUN | 2011-09-15 |
| Bicycle Hub Assembly With Two Bearings App 20110220449 - CHIANG; PI-YUN | 2011-09-15 |
| Rotary Unit For Bicycle Hub Assembly App 20110221263 - CHIANG; PI-YUN | 2011-09-15 |
| Tubular Portion Of Bicycle Hub App 20110193406 - CHIANG; PI-YUN | 2011-08-11 |
| Tubular Portion Of Bicycle Hub App 20110175433 - CHIANG; PI-YUN | 2011-07-21 |
| Combination of Bicycle Rear Wheel Hub and Sprocket Set App 20100260544 - Chiang; Pi-Yun | 2010-10-14 |
| Bicycle hub assembly App 20100194183 - Chiang; Pi-Yun | 2010-08-05 |
| Cassette body Grant D609,621 - Chiang February 9, 2 | 2010-02-09 |
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