CHENG; Xiaofeng
Patent Applications and Registrations
Patent applications and USPTO patent grants for CHENG; Xiaofeng.The latest application filed is for "tool-free light box".
- CHENG; Xiaofeng - Changzhou CN
- Cheng; Xiaofeng - Zhangjiagang CN
- Cheng; Xiaofeng - Shenzhen CN
- Cheng; Xiaofeng - Shenzhen City CN
Trademarks
| Patent | Date |
|---|---|
| Tool-free Light Box App 20220235923 - CHENG; Xiaofeng ; et al. | 2022-07-28 |
| Electronic water meter Grant 10,240,961 - Cheng , et al. | 2019-03-26 |
| An Automatic Magnetic Flow Recording Device App 20180033474 - Deak; James Geza ; et al. | 2018-02-01 |
| Direct read metering device and direct read water meter Grant 9,880,023 - Wang , et al. January 30, 2 | 2018-01-30 |
| Non-contact potentiometer Grant 9,846,058 - Wang , et al. December 19, 2 | 2017-12-19 |
| Magnetic anti-counterfeit label and identification system thereof Grant 9,805,224 - Deak , et al. October 31, 2 | 2017-10-31 |
| Method and system for issuing and acquiring information Grant 9,729,256 - Zou , et al. August 8, 2 | 2017-08-08 |
| Magnetic Anti-counterfeit Label And Identification System Thereof App 20170200028 - Deak; James Geza ; et al. | 2017-07-13 |
| Display method and device for mobile terminal Grant 9,706,033 - Cheng , et al. July 11, 2 | 2017-07-11 |
| Methods, devices and system for verifying mobile equipment Grant 9,374,705 - Cheng , et al. June 21, 2 | 2016-06-21 |
| Electronic Water Meter App 20160069723 - Cheng; Xiaofeng ; et al. | 2016-03-10 |
| Non-contact Potentiometer App 20160041008 - Wang; Junyun ; et al. | 2016-02-11 |
| Method and system for issuing and acquiring information App 20150256278 - Zou; Wei ; et al. | 2015-09-10 |
| Display Method and Device for Mobile Terminal App 20150249732 - Cheng; Xiaofeng ; et al. | 2015-09-03 |
| Direct Read Metering Device And Direct Read Water Meter App 20150204692 - Wang; Feng ; et al. | 2015-07-23 |
| Methods, devices and system for verifying mobile equipment App 20150181421 - Cheng; Xiaofeng ; et al. | 2015-06-25 |
| Composite magnetic material and method of preparing the same Grant 8,574,380 - Gong , et al. November 5, 2 | 2013-11-05 |
| Nd-Fe-B PERMANENT MAGNETIC MATERIAL AND PREPARATION METHOD THEREOF App 20120058003 - Gong; Qing ; et al. | 2012-03-08 |
| Composite Magnetic Material And Method Of Preparing The Same App 20120007014 - Gong; Qing ; et al. | 2012-01-12 |
| Hydrogen Storage Material And Preparation Thereof App 20090274614 - Gong; Qing ; et al. | 2009-11-05 |
| Nd-Fe-B Permanent Magnetic Material App 20090274571 - DU; Xin ; et al. | 2009-11-05 |
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