Ming-Hsin Liu
10Patents
4h-index
13Co-inventors
53Inventor score
Filing activity: Jun 8, 2000 → Feb 13, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6312242A | Asymmetric double screw rotor assembly | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6341951B1 | Combination double screw rotor assembly | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6257839A | Double screw rotor assembly with electrically controlled clearance adjustment means | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6257854A | Double screw rotor assembly having means to automatically adjust the clearance by pressure difference | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6508639B2 | Combination double screw rotor assembly | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7278839B2 | Multi-stage vacuum pump | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7425710B2 | Anode layer particle beam device | Physics | 1 | Active |
| US10066882B2 | Connecting member and heat exchanger having the connecting member | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8241014B2 | Screw compressors | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7550940B2 | Overload current control circuit for a DC motor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.