American Optical Corporation
409Patents
0Active
409Granted
42Portfolio score
Filing activity: Feb 21, 1961 → Jan 19, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD263058S | Pair of spectacles | General | 198 | Expired |
| USD243084S | Pair of spectacles | General | 187 | Expired |
| US4215010A | Photochromic compounds | Physics | 181 | Expired |
| US4342668A | Photochromic compounds | Physics | 180 | Expired |
| US4261875A | Contact lenses containing hydrophilic silicone polymers | Chemistry; Metallurgy | 179 | Expired |
| US4720356A | Photochromic composition resistant to fatigue | Physics | 169 | Expired |
| US4094310A | Apparatus for enhanced display of physiological waveforms and for defibrillation | Human Necessities | 168 | Expired |
| US4062629A | Progressive power ophthalmic lens having a plurality of viewing zone with discontinuous power variations therebetween | Physics | 166 | Expired |
| US4810080A | Protective eyewear with removable nosepiece and corrective spectacle | Physics | 163 | Expired |
| US4367170A | Stabilized photochromic materials | Emerging Cross-Sectional Technologies | 151 | Expired |
| US4166043A | Stabilized photochromic materials | Emerging Cross-Sectional Technologies | 141 | Expired |
| USD261033S | Bilirubin concentration analyzer | General | 128 | Expired |
| USD261173S | Bilirubinometer | General | 122 | Expired |
| USD243398S | Pair of spectacles | General | 119 | Expired |
| US4899921A | Aligner bonder | Electricity | 115 | Expired |
| USD257854S | Pair of spectacles | General | 113 | Expired |
| US4284399A | Contact lens mold | Emerging Cross-Sectional Technologies | 105 | Expired |
| US3996187A | Optically clear filled silicone elastomers | Chemistry; Metallurgy | 97 | Expired |
| US4600002A | Disposable respirator | Human Necessities | 92 | Expired |
| US3996189A | Optically clear filled silicone elastomers | Emerging Cross-Sectional Technologies | 92 | Expired |
| USD248497S | Disposable respirator | General | 91 | Expired |
| US4540534A | Apparatus and method for injection molding lenses | Emerging Cross-Sectional Technologies | 89 | Expired |
| US4043637A | Photochromic light valve | Physics | 88 | Expired |
| US4042405A | High strength ophthalmic lens | Emerging Cross-Sectional Technologies | 84 | Expired |
| USD268683S | Pair of safety spectacles | General | 80 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.