DOOWON TECHNICAL COLLEGE
14Patents
14Active
14Granted
49Portfolio score
Filing activity: Sep 29, 2005 → Mar 13, 2013 · 10 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8671976B2 | Exhaust check valve of swash plate compressor | Emerging Cross-Sectional Technologies | 8 | Active |
| US7955141B2 | Inverter connection terminal with cables attached to parts of the terminal projecting from upper and lower surfaces of a plate | Electricity | 7 | Active |
| US7757597B2 | Variable displacement swash plate type compressor with smooth inclined moving feature | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US7802512B2 | Assembly structure of drive shaft and swash plate in swash plate type compressor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9022061B2 | Displacement control valve for variable displacement compressor | Emerging Cross-Sectional Technologies | 1 | Active |
| US8485794B2 | Reciprocating compressor with rotary valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8075291B2 | Scroll compressor improved in function of oil circulation and back pressure control | Emerging Cross-Sectional Technologies | 1 | Active |
| US9551334B2 | Variable capacity compressor having a control valve with channels | Emerging Cross-Sectional Technologies | 1 | Active |
| US8858197B2 | Compressor with sensor and valve plate arrangement | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8215924B2 | Oil separating structure of variable displacement compressor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8550797B2 | Scroll compressor with improved back pressure force control function | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8485803B2 | Scroll compressor comprising oil separating driving shaft | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9328721B2 | Variable displacement swash plate type compressor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8517695B2 | Variable displacement swash plate type compressor | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.