Yu; Kwok Chiu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu; Kwok Chiu.The latest application filed is for "toilet apparatus".
- Yu; Kwok Chiu - Hong Kong CN
- Yu; Kwok Chiu - Hong Kong SAR CN
- Yu; Kwok Chiu - Chai Wan CN
| Patent | Date |
|---|---|
| Flush valve assembly and toilet flush system incorporating the same Grant 9,932,728 - Yu April 3, 2 | 2018-04-03 |
| Toilet apparatus Grant 9,663,933 - Chan , et al. May 30, 2 | 2017-05-30 |
| Toilet Apparatus App 20160333561 - Chan; Kai Chi ; et al. | 2016-11-17 |
| Flush Valve Assembly And Toilet Flush System Incorporating The Same App 20160208471 - Yu; Kwok Chiu | 2016-07-21 |
| Liquid-operated actuator assembly, particularly for a flush toilet, and flush toilet incorporating the assembly Grant 9,228,334 - Yu , et al. January 5, 2 | 2016-01-05 |
| Liquid-operated Actuator Assembly App 20130152292 - Yu; Kwok Chiu | 2013-06-20 |
| Fluid-operated Actuator Assembly App 20130152293 - YU; Kwok Chiu ; et al. | 2013-06-20 |
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