Sum Poon
5Patents
4h-index
2Co-inventors
36Inventor score
Filing activity: Jul 9, 2003 → Jan 5, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6935222B2 | Locking device sustaining high pressure for coffee maker lid | Human Necessities | 39 | Expired |
| US7237475B2 | Cabinet design of filter holder for pressurized espresso machines | Human Necessities | 16 | Expired |
| US7617763B2 | Motorized and remote-controlled cabinet design of filter holder for pressurized espresso machines | Human Necessities | 7 | Active |
| US7694624B2 | Cabinet design of filter holder for pressurized espresso machines | Human Necessities | 4 | Active |
| US7228790B2 | Spoon brewing apparatus | Human Necessities | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.