William Cohen
24Patents
15h-index
5Co-inventors
74Inventor score
Filing activity: Mar 10, 1975 → Oct 16, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6942649B2 | Microdermabrasion fluid appplication system and method | Human Necessities | 77 | Expired |
| US6673082B2 | Microdermabrasion handpiece with supply and return lumens | Human Necessities | 63 | Expired |
| US8048089B2 | Apparatus and methods for treating the skin | Human Necessities | 62 | Active |
| US6592595B1 | Microdermabrasion and suction massage apparatus and method | Human Necessities | 58 | Expired |
| US9550052B2 | Console system for the treatment of skin | Human Necessities | 40 | Active |
| US9474886B2 | Removable tips for skin treatment systems | Human Necessities | 40 | Active |
| US9662482B2 | Methods and systems for extraction of materials from skin | Human Necessities | 37 | Active |
| US9814868B2 | Tip with embedded materials for skin treatment | Human Necessities | 36 | Active |
| US10357642B2 | Removable tips for use with skin treatment systems | Human Necessities | 27 | Active |
| US10357641B2 | Tips for skin treatment device | Human Necessities | 27 | Active |
| US11446477B2 | Devices and methods for treating skin | Human Necessities | 22 | Active |
| US11241357B2 | Devices, systems and methods for promoting hair growth | Human Necessities | 20 | Active |
| US11547840B2 | Devices and methods for treating skin | Human Necessities | 16 | Active |
| US11291474B2 | Skin treatment tool applicator tip | Human Necessities | 16 | Active |
| US4310022A | Fluid distributor system | Emerging Cross-Sectional Technologies | 15 | Expired |
| US3961497A | Universal joint | Emerging Cross-Sectional Technologies | 14 | Expired |
| US11612726B2 | Devices and methods for treating skin | Human Necessities | 14 | Active |
| US11865287B2 | Devices and methods for treating skin | Human Necessities | 7 | Active |
| US4005618A | Transmission with continuously variable speed ratio | Emerging Cross-Sectional Technologies | 6 | Expired |
| US3994640A | Spherical rotary steam engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US3934559A | Anti-pollutant spherical rotary engine with automatic supercharger | Emerging Cross-Sectional Technologies | 5 | Expired |
| US12053607B2 | Devices and methods for treating skin | Human Necessities | 3 | Active |
| US3967866A | Anti-friction pressure seal | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US12295618B2 | Skin treatment tool applicator tip | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.