Qingfeng Zhang
13Patents
5h-index
47Co-inventors
62Inventor score
Filing activity: May 25, 2012 → Oct 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD864367S1 | Air humidifier | General | 27 | Active |
| USD870873S1 | Air humidifier | General | 19 | Active |
| USD864368S1 | Air humidifier | General | 16 | Active |
| USD972094S1 | Dehumidifier | General | 14 | Active |
| USD888913S1 | Air humidifier | General | 6 | Active |
| USD907184S1 | Air conditioning apparatus | General | 4 | Active |
| US12337710B2 | Charging pile | Emerging Cross-Sectional Technologies | 0 | Active |
| US11788167B2 | Device and method for manufacturing metal clad strips continuously | Chemistry; Metallurgy | 0 | Active |
| US11639538B2 | Device and method for manufacturing metal clad plates in way of continuous casting and rolling | Chemistry; Metallurgy | 0 | Active |
| USD839502S1 | Dishwasher | General | 0 | Active |
| US11697150B2 | Production apparatus and method for preparing metal clad plate in short process | Performing Operations; Transporting | 0 | Active |
| US9771639B2 | High-strength and high-toughness steel plate with yield strength of 700 MPa and method of manufacturing the same | Chemistry; Metallurgy | 0 | Active |
| US11724296B2 | Side spray method for cooling the steel strip after hot rolling | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.