Jack Chen
40Patents
13h-index
17Co-inventors
78Inventor score
Filing activity: Apr 13, 1987 → Nov 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4785289A | Timer controlled fire and burglar alarm system | Physics | 51 | Expired |
| US4826129A | Structure of faucet for automatic water supply and stoppage | Fixed Constructions | 43 | Expired |
| US6149046A | Safety device for preventing ejecting mechanism from hitting pushing member in a magazine of a power stapler | Performing Operations; Transporting | 42 | Expired |
| US6557878B2 | Locking device for releasably locking a seat post relative to a seat tube of a bicycle frame | Performing Operations; Transporting | 31 | Expired |
| US6059166A | Exhausted air dispensing device for a power nailer | Performing Operations; Transporting | 27 | Expired |
| USD342188S | Egg cooker for microwave oven | General | 23 | Expired |
| US6173963A | Sealing assembly for an inlet valve of a power nailer | Performing Operations; Transporting | 21 | Expired |
| US6264085A | Safety device for a pneumatic stapler to avoid shooting after the magazine being removed from the barrel | Performing Operations; Transporting | 19 | Expired |
| US5650085A | Cooking tray for microwave oven | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6024269A | Cylinder inlet valve for a power stapler | Performing Operations; Transporting | 18 | Expired |
| US6059167A | End base of a power stapler | Performing Operations; Transporting | 16 | Expired |
| US6626081B2 | Air-seal structure for pneumatic nailers | Performing Operations; Transporting | 15 | Expired |
| US6708927B2 | Apparatus for slowly and safely descending from a high-rise building | Performing Operations; Transporting | 14 | Expired |
| US7419079B2 | Pneumatic tool | Performing Operations; Transporting | 12 | Expired |
| US7111334B2 | Spraying head assembly for massaging tub | Human Necessities | 12 | Expired |
| US5336153A | Multipurpose gymnastic apparatus | Human Necessities | 11 | Expired |
| US6089436A | Ventilation device of a power stapler | Performing Operations; Transporting | 11 | Expired |
| US8555909B2 | Tent | Fixed Constructions | 10 | Active |
| USD817738S1 | Manual knife sharpener | General | 7 | Active |
| US6991182B2 | Spraying head assembly for massaging tub | Human Necessities | 7 | Expired |
| US7168745B2 | Device for latching a cabinet door | Emerging Cross-Sectional Technologies | 6 | Expired |
| USD342187S | Egg cooker for microwave oven | General | 5 | Expired |
| US9915283B2 | Fixture | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10246897B2 | Joint structure | Emerging Cross-Sectional Technologies | 3 | Active |
| US7398905B2 | Anti-misfit structure for a nail cartridge | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.