David Perrin
19Patents
5h-index
16Co-inventors
59Inventor score
Filing activity: Oct 4, 2002 → Jul 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6877875B2 | Canted head-mounted light | Mechanical Engineering; Lighting; Heating | 71 | Expired |
| US6995542B2 | Battery charger amusement device | Electricity | 12 | Expired |
| US8668073B2 | Multipath conveyor installation | Performing Operations; Transporting | 9 | Active |
| US6860616B2 | Ultraviolet light writing system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8770392B2 | Width-adjusting device for conveyor corridor(s) | Emerging Cross-Sectional Technologies | 8 | Active |
| USD513282S1 | Audio toy | General | 5 | Expired |
| US8298036B2 | Dynamo powered amusement device | Human Necessities | 5 | Active |
| US8257136B2 | Dynamo powered toy | Human Necessities | 4 | Active |
| US7926648B2 | Guide(s) mounted on a conveyor | Performing Operations; Transporting | 4 | Active |
| US7259541B2 | Battery charger amusement device | Electricity | 4 | Expired |
| USD551305S1 | Audio toy | General | 3 | Expired |
| US8459444B2 | Conveying equipment including at least one curved corridor | Emerging Cross-Sectional Technologies | 3 | Active |
| US6896390B2 | Animate form headlamp | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US8616933B2 | Dynamo powered toy | Human Necessities | 2 | Active |
| US11655677B2 | Fall arrest system | Fixed Constructions | 1 | Active |
| US7679320B2 | Amusement apparatus operative as a dynamo battery charger | Electricity | 1 | Active |
| US11112126B2 | Method and device for saving heat energy and water in a sanitary facility | Emerging Cross-Sectional Technologies | 0 | Active |
| US10980600B2 | Method of assisting the production of an implantable unfurlable made to measure device | Human Necessities | 0 | Active |
| USRE42469E1 | Battery charger amusement device | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.