Louie; Wai Hang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Louie; Wai Hang.The latest application filed is for "one kind of machine for fume removal".
- Louie; Wai Hang - Shenzhen CN
- Louie; Wai Hang - Hong Kong HK
- Louie; Wai Hang - Hunghom HK
- Louie; Wai Hang - Kowloon HK
| Patent | Date |
|---|---|
| Steam milk frother Grant 11,284,739 - Louie , et al. March 29, 2 | 2022-03-29 |
| One Kind of Machine for Fume Removal App 20210059469 - Wong; Kowk Wai ; et al. | 2021-03-04 |
| Apparatus And Method For Extracting Component In Solid By Using Nanobubbles App 20200360872 - Louie; Wai Hang ; et al. | 2020-11-19 |
| Brewing apparatus with air suction for cold extraction and brewing method thereof Grant 10,750,899 - Chung , et al. A | 2020-08-25 |
| Steam Milk Frother App 20200163486 - LOUIE; Wai Hang ; et al. | 2020-05-28 |
| Brewing Apparatus With Air Suction For Cold Extraction And Brewing Method Thereof App 20190150659 - CHUNG; King Chiu ; et al. | 2019-05-23 |
| Shielding system for microwave ovens and microwave oven using this shielding system Grant 8,772,686 - Louie , et al. July 8, 2 | 2014-07-08 |
| Microwave Oven With A Tray Moving In An Orbital Pattern App 20090114642 - LOUIE; WAI HANG ; et al. | 2009-05-07 |
| Shielding System For Microwave Ovens And Microwave Oven Using This Shielding System App 20090008386 - LOUIE; WAI HANG ; et al. | 2009-01-08 |
| Transfigurable self-erecting structure Grant 7,111,634 - Louie September 26, 2 | 2006-09-26 |
| Collapsible and foldable canvas structure Grant 7,077,147 - Louie , et al. July 18, 2 | 2006-07-18 |
| Collapsible and foldable canvas structure App 20040129307 - Louie, Wai Hang ; et al. | 2004-07-08 |
| Transfigurable self-erecting structure App 20030213511 - Louie, Wai Hang | 2003-11-20 |
| Transfigurable self-erecting structure Grant 6,502,595 - Louie January 7, 2 | 2003-01-07 |
| Transfigurable self-erecting structure App 20020112753 - Louie, Wai Hang | 2002-08-22 |
| Self-deploying tubular enclosure Grant 6,363,955 - Louie April 2, 2 | 2002-04-02 |
| Self-erecting, collapsible and foldable dome structure Grant 6,311,709 - Louie , et al. November 6, 2 | 2001-11-06 |
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