Du Qi

USPTO Trademark & Patent Filings

Du Qi

Trademark applications and grants for Du Qi. Du Qi has 7 trademark applications. The latest application filed is for "SINOTRUMAN"

Company Profile
    Company Aliases
  • DU QI
  • qi du
  • Du; Qi - Nanjing CN
  • DU; Qi - Shenzhen CN
  • Du; Qi - Chengdu CN
  • Du; Qi - Sichuan CN

Trademarks Patents
Patent Applications
Patent ApplicationDate
POWER TOOL AND CONTROL METHOD THEREOF
20220094287 - 17/474432 Xu; Tianxiao ;   et al.
2022-03-24
METHOD AND APPARATUS FOR EXTRACTING STRUCTURED DATA FROM IMAGE, AND DEVICE
20210295114 - 17/335261 YE; Yibin ;   et al.
2021-09-23
External Bed Type Double-Fluidized Bed System for Preventing Boiler Contamination
20150292735 - 14/646457 Cao; Liyong ;   et al.
2015-10-15
PYROLYSIS-COMBUSTION DUAL-BED SYSTEM FOR ELIMINATING CONTAMINATION CAUSED BY COMBUSTION OF HIGH-SODIUM COAL
20150292734 - 14/425662 Cao; Liyong ;   et al.
2015-10-15
DUAL-BED SYSTEM FOR PREVENTING BOILER HEATING SURFACE FROM BEING CONTAMINATED
20150226423 - 14/425678 Cao; Liyong ;   et al.
2015-08-13
Pyrolysis-combustion dual-bed system for eliminating contamination by combustion of high-sodium coal
9,989,247 - 14/425,662 Cao , et al. June 5, 2
2018-06-05
Dual-bed system for preventing boiler heating surface from being contaminated
9,927,119 - 14/425,678 Cao , et al. March 27, 2
2018-03-27
External bed type double-fluidized bed system for preventing boiler contamination
9,784,445 - 14/646,457 Cao , et al. October 10, 2
2017-10-10
Patent Grants & Applications

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