Yeung; Kui Wong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yeung; Kui Wong.The latest application filed is for "ventilator or ventilating apparatus with thermal exchanger and air filter".
- Yeung; Kui Wong - Hong Kong HK
- Yeung; Kui-wong - New Territories HK
- Yeung; Kui Wong - Kwai Chung HK
- Yeung; Kui Wong - Hong Kong SAR CN
- Yeung, Kui-Wong - Kwai Chung N.T. HK
| Patent | Date |
|---|---|
| Stand fan Grant D762,837 - Yeung August 2, 2 | 2016-08-02 |
| Desk fan Grant D737,420 - Yeung August 25, 2 | 2015-08-25 |
| Patio heater Grant D619,231 - Yeung July 6, 2 | 2010-07-06 |
| Desk fan Grant D613,392 - Yeung April 6, 2 | 2010-04-06 |
| Convection heater Grant D609,795 - Yeung February 9, 2 | 2010-02-09 |
| Food processor Grant D536,212 - Yeung February 6, 2 | 2007-02-06 |
| Steam cooker Grant D536,210 - Yeung February 6, 2 | 2007-02-06 |
| Sandwich maker Grant D533,392 - Yeung December 12, 2 | 2006-12-12 |
| Toaster Grant D526,526 - Yeung August 15, 2 | 2006-08-15 |
| Blender Grant D526,156 - Yeung August 8, 2 | 2006-08-08 |
| Toaster Grant D525,475 - Yeung July 25, 2 | 2006-07-25 |
| Air-ventilator with high efficiency thermal exchanger and air filter Grant 6,966,356 - Yeung November 22, 2 | 2005-11-22 |
| Ventilator or ventilating apparatus with thermal exchanger and air filter Grant 6,949,131 - Yeung September 27, 2 | 2005-09-27 |
| Ventilator or ventilating apparatus with thermal exchanger and air filter App 20040139712 - Yeung, Kui Wong | 2004-07-22 |
| Air-ventilator with high efficiency thermal exchanger and air filter App 20040104008 - Yeung, Kui Wong | 2004-06-03 |
| Air-ventilator with high efficiency thermal exchanger and air filter Grant 6,684,939 - Yeung February 3, 2 | 2004-02-03 |
| Ventilator or ventilating apparatus with thermal exchanger and air filter App 20030051454 - Yeung, Kui Wong | 2003-03-20 |
| Air-ventilator with high efficiency thermal exchanger and air filter field of the invention App 20030051861 - Yeung, Kui Wong | 2003-03-20 |
| Scooter brake system App 20020084612 - Yeung, Kui-Wong | 2002-07-04 |
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