Yan Tang
21Patents
5h-index
14Co-inventors
62Inventor score
Filing activity: Feb 13, 2002 → Apr 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6694750B1 | Refrigeration system employing multiple economizer circuits | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| USD736975S1 | Combination flashlight stun gun | General | 33 | Active |
| US6644045B1 | Oil free screw expander-compressor | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6916353B2 | Curved side oil or fluid separator element | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6739853B1 | Compact control mechanism for axial motion control valves in helical screw compressors | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6595024B1 | Expressor capacity control | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US7163387B2 | Meshing helical rotors | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6658866B2 | Scroll expressor | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7423880B1 | Secure device capable of engaging with a heat sink firmly | Electricity | 4 | Active |
| US11234550B2 | Squeezing threaded rod, squeezing component, and food processor | Human Necessities | 3 | Active |
| US11096513B2 | Drive assembly and food processor | Human Necessities | 3 | Active |
| US10786118B2 | Food processor | Human Necessities | 3 | Active |
| US7802974B2 | Screw compressor having asymmetric seal around rotor axis | Emerging Cross-Sectional Technologies | 2 | Active |
| US11008182B2 | Rotatable tray mechanism, robot and device | Performing Operations; Transporting | 1 | Active |
| US8308446B2 | Smart blow-down system for variable frequency drive compressor units | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11717104B2 | Spiral blade, grinding component and food processor | Human Necessities | 0 | Active |
| US11446890B2 | Food processor | Performing Operations; Transporting | 0 | Active |
| US11692536B2 | Vacuum pumping device and food processor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8721301B2 | Smart blow-down system for variable frequency drive compressor units | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11246453B2 | Food processor with overflow detection ring | Human Necessities | 0 | Active |
| US10906589B2 | Flexible base and self-driven robot | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.