AGFA-Gervaert AG
373Patents
0Active
373Granted
41Portfolio score
Filing activity: Mar 24, 1972 → May 1, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4270854A | Photographic instant camera with magnetic recording capability | Physics | 57 | Expired |
| US3966316A | Electrostatic copying machine with removable copying drum | Physics | 46 | Expired |
| US4172219A | Daylight projection screen and method and apparatus for making the same | Physics | 42 | Expired |
| US3933507A | Photographic light-sensitive and heat developable material | Physics | 37 | Expired |
| US4279502A | Method of and apparatus for determining the copying light amounts for copying from color originals | Physics | 35 | Expired |
| US4080061A | Apparatus for processing developed photographic films prior to copying | Physics | 34 | Expired |
| US3955208A | Photographic camera with liquid-crystal diaphragm arrangement | Physics | 31 | Expired |
| US4277061A | Apparatus for classifying photographic prints or the like | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4007489A | Method and apparatus for creating color copies of an original by an electrostatic charging process | Physics | 29 | Expired |
| US4076384A | Rear-projection viewing screen | Physics | 29 | Expired |
| US4025025A | Apparatus for scanning a marked web | Physics | 28 | Expired |
| US4202618A | Electrostatic copying machine having flash-discharge-lamp fixing unit | Physics | 28 | Expired |
| US4010514A | Arrangement for continuously cleaning flexible layer substrates in tape form | Physics | 27 | Expired |
| US3959105A | Process for the production of hydrophilic surfaces on silicon elastomer articles | Chemistry; Metallurgy | 25 | Expired |
| US4251148A | Photographic camera | Physics | 25 | Expired |
| US4166689A | Apparatus for wet treatment of carriers of photosensitive material | Physics | 24 | Expired |
| US3951660A | Dry copying material | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4081151A | Stackable winding cores for magnetic tapes | Physics | 23 | Expired |
| US3974294A | Process for the production of protein-containing food additives | Human Necessities | 22 | Expired |
| US4115981A | Apparatus for assembling and packing photographic prints with associated developed films | Physics | 22 | Expired |
| US4101217A | Automatic color printing apparatus | Physics | 22 | Expired |
| US4237943A | Tuner supply for electrostatic copiers | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4107687A | Recording device | Electricity | 21 | Expired |
| US4039258A | Method and apparatus for making reproductions of photograhic copy negatives or the like | Physics | 21 | Expired |
| US4195924A | Camera with zoom lens | Physics | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.