Zhen Liu
26Patents
2h-index
74Co-inventors
56Inventor score
Filing activity: Dec 29, 2008 → Jan 29, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8726533B2 | Over device of tunnel-type sterilization dryer | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US9041310B2 | Load driving apparatus related to light emitting diodes | Emerging Cross-Sectional Technologies | 3 | Active |
| US8359818B2 | Large transfusion filing and corking machine | Performing Operations; Transporting | 2 | Active |
| US8421374B2 | Apparatus for driving load | Emerging Cross-Sectional Technologies | 2 | Active |
| US8418429B2 | Bottle supporting means with clutch | Performing Operations; Transporting | 1 | Active |
| US10995706B1 | Gas mixing device and a natural gas engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10773899B2 | Conveying/loading apparatus and loading method thereof | Performing Operations; Transporting | 0 | Active |
| US8963429B2 | Lighting apparatus for fluorescent tube and driving method therefor | Electricity | 0 | Active |
| US10794174B2 | Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement | Fixed Constructions | 0 | Active |
| US12180671B2 | Skid steer loader | Fixed Constructions | 0 | Active |
| US11795932B2 | Double-roller hose pressing apparatus for peristaltic pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8970120B2 | Lamp driving apparatus and illumination equipment using the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10954589B2 | Current collector production apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US11697658B2 | Method for preparing lornoxicam | Chemistry; Metallurgy | 0 | Active |
| US10774591B2 | Drill-power-based directional hydraulic fracturing system for downhole quick slotting and method thereof | Fixed Constructions | 0 | Active |
| US8674612B2 | Fluorescent tube driving device | Emerging Cross-Sectional Technologies | 0 | Active |
| US11506041B2 | Drilling-slitting-sealing-fracturing device and method for a deep low-permeability gassy coal seam | Fixed Constructions | 0 | Active |
| US9148920B2 | Light emitting diode driving apparatus capable of detecting whether current leakage phenomenon occurs on LED load and light emitting diode driving method thereof | Emerging Cross-Sectional Technologies | 0 | Active |
| US11773834B2 | Linear peristaltic metering pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8746297B2 | Positioning device for production line of large and soft infusion bag | Performing Operations; Transporting | 0 | Active |
| US12138127B2 | Portable remote ultrasound scanning systems and compliance control methods for safe ultrasound scanning | Human Necessities | 0 | Active |
| US10883320B2 | Ground wellhole dedicated protective pipe for gas extraction of mining-induced area | Fixed Constructions | 0 | Active |
| US12138119B2 | Portable teleoperation hand-held devices for remote ultrasound examination | Emerging Cross-Sectional Technologies | 0 | Active |
| US10253629B2 | Test apparatus and a test method for the wetted perimeter of coal seam water injection | Emerging Cross-Sectional Technologies | 0 | Active |
| US8931627B2 | Bottle pushing mechanism for tunnel type sterilizing dryer | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.