Changqing Liu
8Patents
1h-index
46Co-inventors
47Inventor score
Filing activity: Jun 20, 2011 → Oct 20, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9109822B2 | Expansion valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9631850B2 | Thermal expansion valve with one-way control function | Emerging Cross-Sectional Technologies | 1 | Active |
| US10740052B2 | Integrated services for forms generation and maintenance on cloud | Physics | 1 | Active |
| US12270730B2 | Integrated automatic detection equipment for highway network structure group | Physics | 0 | Active |
| US11607686B2 | Sample collecting device | Performing Operations; Transporting | 0 | Active |
| US9705836B2 | Method, server and SNS system for message interaction | Electricity | 0 | Active |
| US11630295B2 | Illumination module for microscope apparatus, corresponding control method and microscope apparatus | Electricity | 0 | Active |
| US9587864B2 | Thermal expansion valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.