David Turner
92Patents
24h-index
122Co-inventors
91Inventor score
Filing activity: Apr 20, 1984 → Sep 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6367929B1 | Hydrogel with internal wetting agent | Physics | 335 | Expired |
| US6087415A | Biomedical devices with hydrophilic coatings | Human Necessities | 196 | Expired |
| US6943203B2 | Soft contact lenses | Chemistry; Metallurgy | 150 | Expired |
| US5296664A | Circuit breaker with positive off protection | Emerging Cross-Sectional Technologies | 122 | Expired |
| US7461937B2 | Soft contact lenses displaying superior on-eye comfort | Performing Operations; Transporting | 114 | Expired |
| US6849671B2 | Contact lenses | Physics | 102 | Expired |
| US7786185B2 | Wettable hydrogels comprising acyclic polyamides | Chemistry; Metallurgy | 88 | Active |
| US8399538B2 | Contact lenses | Physics | 68 | Active |
| US8022158B2 | Wettable hydrogels comprising acyclic polyamides | Chemistry; Metallurgy | 65 | Active |
| US4651066A | Ferrite permanent magnet electrical machine and the application thereof within vehicle traction drives | Emerging Cross-Sectional Technologies | 62 | Expired |
| US6500481B1 | Biomedical devices with amid-containing coatings | Emerging Cross-Sectional Technologies | 53 | Expired |
| US7825170B2 | Contact lenses | Physics | 52 | Active |
| US6478423B1 | Contact lens coating selection and manufacturing process | Physics | 49 | Expired |
| US7186933B2 | Handle attachment, assist mechanism therefor, and electrical switching apparatus employing the same | Electricity | 44 | Expired |
| US6534559B1 | Biomedical devices with hydrophilic coatings | Human Necessities | 42 | Expired |
| US5493084A | Door release for circuit interrupter rotary handle mechanism | Electricity | 34 | Expired |
| US5937835A | EGR system and improved actuator therefor | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US6861123B2 | Silicone hydrogel contact lens | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7879267B2 | Method for coating articles by mold transfer | Performing Operations; Transporting | 31 | Expired |
| US6838491B1 | Biomedical devices with hydrophilic coatings | Human Necessities | 29 | Expired |
| US6015959A | Molded case electric power switches with cam driven, spring powered open and close mechanism | Electricity | 28 | Expired |
| US6292076A | Circuit interrupter with improved DIN rail mounting adaptor | Electricity | 27 | Expired |
| US6324043A | Residual current detector with fail safe lockout device | Electricity | 27 | Expired |
| US6012437A | EGR system with improved control logic | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6791040B1 | Locking assembly for an electrical switching apparatus | Electricity | 24 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.