Li; Qingshuang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Li; Qingshuang.The latest application filed is for "backflow prevention device".
- Li; Qingshuang - Xiamen City CN
- Li; Qingshuang - Xiamen CN
- Li; Qingshuang - Fujian CN
- Li; Qingshuang - Fujian Province CN
| Patent | Date |
|---|---|
| Backflow Prevention Device App 20220065357 - Chen; Zhibin ; et al. | 2022-03-03 |
| Faucet aerator Grant D944,922 - Lai , et al. March 1, 2 | 2022-03-01 |
| Faucet aerator Grant D944,920 - Lai , et al. March 1, 2 | 2022-03-01 |
| Faucet aerator Grant D944,921 - Lai , et al. March 1, 2 | 2022-03-01 |
| Shower head Grant D924,357 - Lai , et al. July 6, 2 | 2021-07-06 |
| Faucet aerator Grant D895,065 - Lai , et al. Sep | 2020-09-01 |
| Faucet aerator Grant D894,338 - Lai , et al. A | 2020-08-25 |
| Cold water recycling and reusing apparatus Grant 10,704,237 - Wu , et al. | 2020-07-07 |
| Cold Water Recycling And Reusing Apparatus App 20190345698 - WU; Boqing ; et al. | 2019-11-14 |
| Flow control component and shower Grant 10,239,065 - Huang , et al. | 2019-03-26 |
| Flow Control Component And Shower App 20190001350 - HUANG; Hui ; et al. | 2019-01-03 |
| Rotary switch valve and shower group with rotary switch valve Grant 10,123,659 - Zhou , et al. November 13, 2 | 2018-11-13 |
| Hot and cold water switching valve Grant 10,012,320 - Cutler , et al. July 3, 2 | 2018-07-03 |
| Hot And Cold Water Switching Valve App 20170350519 - CUTLER; Kyle William ; et al. | 2017-12-07 |
| Dual Flow Switching Device App 20170335980 - CUTLER; Kyle William ; et al. | 2017-11-23 |
| Massage water outlet mechanism and a rotor component thereof Grant 9,421,558 - Zhou , et al. August 23, 2 | 2016-08-23 |
| Water Outlet Structure for Generating Candle Flame Shaped Water and A Shower Head Mounting the Same App 20160228885 - Cutler; Kyle William ; et al. | 2016-08-11 |
| Water Outlet Structure for Generating Cone Shaped Water and A Shower Head Mounting the Same App 20160228886 - Lin; Wenjuan ; et al. | 2016-08-11 |
| Temperature control outlet device Grant 9,309,984 - Cutler , et al. April 12, 2 | 2016-04-12 |
| Shower with detachable faceplate Grant 9,211,550 - Cutler , et al. December 15, 2 | 2015-12-15 |
| Rotary Switch Valve And Shower Group With Rotary Switch Valve App 20150265105 - ZHOU; Huasong ; et al. | 2015-09-24 |
| Rotary switch valve and shower group with rotary switch valve Grant 9,067,225 - Zhou , et al. June 30, 2 | 2015-06-30 |
| Lifting rod device of shower Grant 8,919,709 - Zhou , et al. December 30, 2 | 2014-12-30 |
| Temperature Control Outlet Device App 20140311592 - CUTLER; Kyle William ; et al. | 2014-10-23 |
| Shower With Detachable Faceplate App 20140151466 - CUTLER; Kyle William ; et al. | 2014-06-05 |
| Self-reset valve Grant 8,739,831 - Zhou , et al. June 3, 2 | 2014-06-03 |
| Massage Water Outlet Mechanism And A Rotor Component Thereof App 20130320111 - Zhou; Huasong ; et al. | 2013-12-05 |
| Showerhead Grant D685,876 - Cutler , et al. July 9, 2 | 2013-07-09 |
| Showerhead Grant D681,781 - Cutler , et al. May 7, 2 | 2013-05-07 |
| Showerhead Grant D681,780 - Cutler , et al. May 7, 2 | 2013-05-07 |
| Showerhead Grant D681,779 - Cutler , et al. May 7, 2 | 2013-05-07 |
| Showerhead Grant D681,776 - Cutler , et al. May 7, 2 | 2013-05-07 |
| Self-reset Valve App 20130056095 - Zhou; Huasong ; et al. | 2013-03-07 |
| Lifting Rod Device Of Shower App 20130026317 - Zhou; Huasong ; et al. | 2013-01-31 |
| Showerhead Grant D667,929 - Cutler , et al. September 25, 2 | 2012-09-25 |
| Showerhead Grant D667,928 - Cutler , et al. September 25, 2 | 2012-09-25 |
| Rotary Switch Valve And Shower Group With Rotary Switch Valve App 20120145810 - Zhou; Huasong ; et al. | 2012-06-14 |
| Suspending buckle mechanism of output water device Grant 7,918,424 - Wu , et al. April 5, 2 | 2011-04-05 |
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