William E. Springer
11Patents
8h-index
6Co-inventors
61Inventor score
Filing activity: Feb 28, 1975 → Oct 31, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4232454A | Variable airflow hair treatment device | Human Necessities | 82 | Expired |
| US4003616A | Swivelling electrical connector | Electricity | 56 | Expired |
| US4263500A | Infrared heating hair dryer | Human Necessities | 35 | Expired |
| US3994290A | Massage device | Human Necessities | 34 | Expired |
| US3950052A | Swivelling electrical connection | Electricity | 30 | Expired |
| USRE30500E | Massage device | General | 14 | Expired |
| US3973528A | Styling apparatus for hair | Human Necessities | 13 | Expired |
| US4203026A | Temperature responsive fluid delivery control device for a steam curling iron | Human Necessities | 8 | Expired |
| US4799124A | Shock hazard protector for hair dryers | Electricity | 4 | Expired |
| USD262063S | Hair roller clip | General | 2 | Expired |
| US4381790A | Roller clip | Human Necessities | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.