Tsai; Chung-Yu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsai; Chung-Yu.The latest application filed is for "grip bar for hexagonal wrench".
- Tsai; Chung-Yu - Taichung N/A TW
- Tsai; Chung-Yu - Tamshui Chen TW
- Tsai; Chung-Yu - Taoyuan County TW
- Tsai; Chung-Yu - Taoyuan City TW
- Tsai; Chung-Yu - Changhua TW
- Tsai, Chung-Yu - Changhua City TW
| Patent | Date |
|---|---|
| Grip device for hexagonal wrenches Grant 11,203,108 - Tsai December 21, 2 | 2021-12-21 |
| Grip device for hexagonal wrenches Grant 11,103,985 - Tsai August 31, 2 | 2021-08-31 |
| Grip bar for hexagonal wrench Grant 11,072,056 - Tsai July 27, 2 | 2021-07-27 |
| Grip Bar For Hexagonal Wrench App 20210001460 - Tsai; Chung-Yu | 2021-01-07 |
| Grip Device For Hexagonal Wrenches App 20210001459 - Tsai; Chung-Yu | 2021-01-07 |
| Grip Device For Hexagonal Wrenches App 20200398418 - Tsai; Chung-Yu | 2020-12-24 |
| Ratchet screwdriver Grant 10,766,125 - Tsai , et al. Sep | 2020-09-08 |
| Tool combination Grant 10,596,692 - Tsai | 2020-03-24 |
| Measuring tape assembly Grant 10,545,013 - Tsai , et al. Ja | 2020-01-28 |
| Tool Combination App 20190329393 - Tsai; Chung-Yu | 2019-10-31 |
| Tool Box Assembly App 20190321963 - Tsai; Chung-Yu | 2019-10-24 |
| Tool box assembly Grant 10,434,638 - Tsai O | 2019-10-08 |
| Hand Tool Adapter App 20190299389 - Tsai; Chung-Yu | 2019-10-03 |
| Ratchet screwdriver Grant 10,384,334 - Tsai , et al. A | 2019-08-20 |
| Measuring Tape Assembly App 20190212120 - Tsai; Chiung-Chang ; et al. | 2019-07-11 |
| Hand Tool Assembly App 20190176317 - Tsai; Chung-Yu | 2019-06-13 |
| Ratchet Screwdriver App 20190134790 - Tsai; Chiung-Chang ; et al. | 2019-05-09 |
| Ratchet Screwdriver App 20190099864 - Tsai; Chiung-Chang ; et al. | 2019-04-04 |
| Magnetic sleeve for positioning screwdriver bit Grant 10,022,847 - Tsai July 17, 2 | 2018-07-17 |
| Connection device for hexagonal wrench Grant 9,969,076 - Tsai May 15, 2 | 2018-05-15 |
| Tool assembly Grant 9,908,230 - Tsai March 6, 2 | 2018-03-06 |
| Magnetic positioning device for hand tool Grant 9,902,050 - Tsai February 27, 2 | 2018-02-27 |
| Magnetic Sleeve For Positioning Screwdriver Bit App 20170326713 - Tsai; Chung-Yu | 2017-11-16 |
| Magnetic Positioning Device For Hand Tool App 20170274509 - Tsai; Chung-Yu | 2017-09-28 |
| Hand tool assembly with magnetic securing device Grant 9,718,174 - Tsai August 1, 2 | 2017-08-01 |
| Torque Detection Device App 20170191885 - Tsai; Chung-Yu | 2017-07-06 |
| Tool Assembly App 20170190040 - Tsai; Chung-Yu | 2017-07-06 |
| Torque detection device Grant 9,696,224 - Tsai July 4, 2 | 2017-07-04 |
| Hand Tool Assembly With Magnetic Securing Device App 20170120427 - TSAI; CHUNG-YU | 2017-05-04 |
| Folding Tool Assembly App 20170120434 - TSAI; CHUNG-YU | 2017-05-04 |
| Connection Device For Hexagonal Wrench App 20160354916 - Tsai; Chung-Yu | 2016-12-08 |
| Magnetic sleeve assembly Grant 9,406,423 - Tsai August 2, 2 | 2016-08-02 |
| Packaged heat dissipating assembly for an intermediate bus converter Grant 8,134,836 - Tsai , et al. March 13, 2 | 2012-03-13 |
| Generalized Code Communication System App 20100290613 - Tsai; Chung-Yu ; et al. | 2010-11-18 |
| Packaged Heat Dissipating Assembly For An Intermediate Bus Converter App 20100212864 - TSAI; Chung-Yu ; et al. | 2010-08-26 |
| Pulse Width Modulation Structure Enabling Regulated Duty Cycle App 20090231052 - Li; Ching-Sheng | 2009-09-17 |
| Fluid motor Grant 7,066,074 - Lin , et al. June 27, 2 | 2006-06-27 |
| Fluid motor App 20050126386 - Lin, Kun-Tzu ; et al. | 2005-06-16 |
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