David Helps
12Patents
9h-index
18Co-inventors
65Inventor score
Filing activity: Apr 11, 1989 → Jun 3, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD525137S1 | Bottle and cap | General | 49 | Expired |
| USD500444S1 | Bottle | General | 48 | Expired |
| US4924048A | Tray for use in microwave ovens with heat sealed cover and inner lid | Emerging Cross-Sectional Technologies | 48 | Expired |
| USD505624S1 | Bottle and cap | General | 36 | Expired |
| USD449533S | Bottle | General | 31 | Expired |
| US8156755B2 | Refrigerator for storing vials and cartridge for use in the same | Mechanical Engineering; Lighting; Heating | 29 | Active |
| USD516429S1 | Jar | General | 29 | Expired |
| US6250208A | Tea brewing apparatus | Human Necessities | 27 | Expired |
| US5011042A | Vending systems for hot foods | Physics | 26 | Expired |
| US4993577A | Containers | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD499639S1 | Bottle | General | 2 | Expired |
| USD506143S1 | Bottle | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.