Yu; Youkai
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu; Youkai.The latest application filed is for "portable cup".
- Yu; Youkai - Chaozhou CN
- YU; Youkai - Guangzhou City CN
- Yu; Youkai - Guangdong CN
- YU; Youkai - Chaozhou City CN
- YU; Youkai - Chaozhou City, Guangdong CN
| Patent | Date |
|---|---|
| Aquarium Grant 11,178,858 - Yu , et al. November 23, 2 | 2021-11-23 |
| Aquarium Grant 11,172,655 - Yu , et al. November 16, 2 | 2021-11-16 |
| Aquarium Grant 11,172,654 - Yu , et al. November 16, 2 | 2021-11-16 |
| Portable Cup App 20210300646 - YU; Youkai ; et al. | 2021-09-30 |
| Aquarium Grant 11,116,186 - Yu , et al. September 14, 2 | 2021-09-14 |
| Cross-flow type flow-making water pump Grant 10,995,764 - Yu , et al. May 4, 2 | 2021-05-04 |
| Magnetic pump, water pumping device and method for using the magnetic pump Grant 10,859,085 - Yu , et al. December 8, 2 | 2020-12-08 |
| Water quality purification device, water purifier and aquarium using the same Grant 10,820,579 - Yu , et al. November 3, 2 | 2020-11-03 |
| Title Pet Water Dispenser App 20200337266 - YU; Youkai ; et al. | 2020-10-29 |
| Aquarium App 20200281172 - YU; Youkai ; et al. | 2020-09-10 |
| Power Generation Apparatus And Aquarium Equipment App 20200177066 - YU; Youkai ; et al. | 2020-06-04 |
| Magnetic Pump, Water Pumping Device And Method For Using The Magnetic Pump App 20200166037 - YU; Youkai ; et al. | 2020-05-28 |
| Pet Case App 20200113149 - YU; Youkai ; et al. | 2020-04-16 |
| Liquid Level Alarm Device For Water Filter App 20200005621 - Yu; Youkai ; et al. | 2020-01-02 |
| Water Quality Purification Device, Water Purifier And Aquarium Using The Same App 20190387722 - YU; Youkai ; et al. | 2019-12-26 |
| Catalyst Filler For Purifying Water In Aquariums And Preparation Method And Use Thereof App 20190358612 - YU; Youkai ; et al. | 2019-11-28 |
| Control Circuitry And Method Applied To Pumping Device, Pumping Device And Aquarium Equipment App 20190345945 - YU; Youkai ; et al. | 2019-11-14 |
| Aquarium App 20190289833 - YU; Youkai ; et al. | 2019-09-26 |
| Power Generation Apparatus And Aquarium Equipment App 20190245419 - YU; Youkai ; et al. | 2019-08-08 |
| Aquarium App 20190239492 - YU; Youkai ; et al. | 2019-08-08 |
| Water Pump And Aquarium Equipment Comprising The Water Pump App 20190239491 - Yu; Youkai ; et al. | 2019-08-08 |
| Aquarium App 20190239488 - YU; Youkai ; et al. | 2019-08-08 |
| Power Generation Apparatus And Aquarium Equipment Comprising The Power Generation Apparatus App 20190239490 - YU; Youkai ; et al. | 2019-08-08 |
| Cross-flow Type Flow-making Water Pump App 20190014755 - YU; Youkai ; et al. | 2019-01-17 |
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