Yu; Guolin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yu; Guolin.The latest application filed is for "electrical connection assembly".
- Yu; Guolin - Ningbo CN
- Yu; Guolin - Xiangyang CN
- Yu; Guolin - Yuyao CN
- Yu; Guolin - Zhejiang N/A CN
Trademarks
| Patent | Date |
|---|---|
| Plug retention apparatus Grant D964,289 - Yu September 20, 2 | 2022-09-20 |
| Multi-socket hub Grant D957,343 - Yu July 12, 2 | 2022-07-12 |
| Electrical connection assembly Grant 11,316,301 - Yu April 26, 2 | 2022-04-26 |
| Steering knuckle Grant 11,254,358 - Zhang , et al. February 22, 2 | 2022-02-22 |
| Wire connecting device and method thereof Grant 11,239,619 - Yu February 1, 2 | 2022-02-01 |
| Electrical socket Grant D938,915 - Yu December 21, 2 | 2021-12-21 |
| Electrical socket Grant D938,916 - Yu December 21, 2 | 2021-12-21 |
| Electrical Connection Assembly App 20210296823 - Yu; Guolin | 2021-09-23 |
| Work lamp Grant D930,874 - Yu , et al. September 14, 2 | 2021-09-14 |
| Electrical plug Grant D926,698 - Yu August 3, 2 | 2021-08-03 |
| Timer Grant D926,600 - Yu August 3, 2 | 2021-08-03 |
| Timer Grant D926,601 - Yu August 3, 2 | 2021-08-03 |
| Timer Grant D922,217 - Yu June 15, 2 | 2021-06-15 |
| Timer Grant D922,216 - Yu June 15, 2 | 2021-06-15 |
| Lamp cap Grant D922,325 - Yu June 15, 2 | 2021-06-15 |
| Timer Grant D922,215 - Yu June 15, 2 | 2021-06-15 |
| Electrical socket Grant D920,920 - Yu June 1, 2 | 2021-06-01 |
| Electrical socket Grant D920,919 - Yu June 1, 2 | 2021-06-01 |
| Wire Connecting Device And Method Thereof App 20210083443 - Yu; Guolin | 2021-03-18 |
| Lamp Cap And Lamp Holder Thereof App 20210036475 - Yu; Guolin | 2021-02-04 |
| Lamp cap and lamp holder thereof Grant 10,897,113 - Yu January 19, 2 | 2021-01-19 |
| Multi-socket hub Grant D908,094 - Yu January 19, 2 | 2021-01-19 |
| Lamp Grant D905,322 - Yu December 15, 2 | 2020-12-15 |
| Electrical socket Grant D896,760 - Yu Sept | 2020-09-22 |
| Steering Knuckle App 20200223479 - ZHANG; Yunjun ; et al. | 2020-07-16 |
| Electrical socket Grant 10,714,862 - Yu | 2020-07-14 |
| Lamp holder Grant D890,100 - Yu | 2020-07-14 |
| Electrical socket Grant 10,714,870 - Yu | 2020-07-14 |
| Lampshade Grant D884,256 - Yu , et al. | 2020-05-12 |
| Extension cord Grant D872,696 - Yu Ja | 2020-01-14 |
| Lampshade Grant D869,739 - Yu , et al. Dec | 2019-12-10 |
| Electrical plug Grant D869,396 - Yu , et al. Dec | 2019-12-10 |
| Outdoor lamp holder and outdoor lamp string using same Grant 10,408,392 - Yu Sept | 2019-09-10 |
| Electrical socket Grant D844,565 - Yu | 2019-04-02 |
| Electrical socket with USB charging Grant D844,566 - Yu | 2019-04-02 |
| Electrical socket Grant D821,978 - Yu July 3, 2 | 2018-07-03 |
| Color changing light and related light chain thereof Grant 10,006,596 - Yu , et al. June 26, 2 | 2018-06-26 |
| Electrical socket with cover Grant D817,888 - Yu May 15, 2 | 2018-05-15 |
| Electrical plug Grant D817,886 - Yu May 15, 2 | 2018-05-15 |
| Electrical socket Grant D817,887 - Yu May 15, 2 | 2018-05-15 |
| Color changing light and controlling method and apparatus thereof Grant 9,949,340 - Yu April 17, 2 | 2018-04-17 |
| Color Changing Light And Controlling Method And Apparatus Thereof App 20170347426 - Yu; Guolin | 2017-11-30 |
| Outdoor Lamp Holder And Outdoor Lamp String Using Same App 20170343169 - Yu; Guolin | 2017-11-30 |
| Color Changing Light And Related Light Chain Thereof App 20170343170 - Yu; Guolin ; et al. | 2017-11-30 |
| Plug and socket Grant D753,064 - Yu April 5, 2 | 2016-04-05 |
| Power socket Grant 8,585,434 - Yu November 19, 2 | 2013-11-19 |
| Power Socket App 20120088411 - YU; GUOLIN | 2012-04-12 |
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