Cambridge Instruments GmbH
29Patents
0Active
29Granted
33Portfolio score
Filing activity: Mar 2, 1981 → Jul 3, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4702576A | Ocular scattering analyzer | Human Necessities | 60 | Expired |
| US4587617A | Image inspection system for defect detection | Physics | 50 | Expired |
| US4446817A | Apparatus for vapor deposition of a film on a substrate | Chemistry; Metallurgy | 38 | Expired |
| US4408615A | Interference filter | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4881807A | Optical alignment system | Human Necessities | 19 | Expired |
| USD273325S | Electrocardiograph | General | 14 | Expired |
| US4514634A | Electron beam focussing | Electricity | 12 | Expired |
| USD295556S | Slit lamp for examining the structure of a patient's eye | General | 12 | Expired |
| US4770520A | Protective cover for turret assembly of an optical instrument | Physics | 12 | Expired |
| USD308879S | Inverted microscope | General | 10 | Expired |
| US4578765A | Image comparison systems | Physics | 9 | Expired |
| USD319874S | Ophthalmic projector | General | 8 | Expired |
| US4690023A | Clamping mechanism for a cutter of a microtome | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4604523A | Scannable-beam microscopes and image stores therefor | Physics | 7 | Expired |
| US4691151A | Microtome feed-motor control | Physics | 7 | Expired |
| USD328793S | Refrigeration cabinet for a microtome | General | 5 | Expired |
| US5115339A | Stereomicroscope | Physics | 5 | Expired |
| US5117706A | Backlash-free drive for the infeed mechanism of a microtome | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4715697A | Microscope body system | Physics | 4 | Expired |
| US4770518A | Apparatus for indicating intensity of an illuminator in an optical instrument | Physics | 4 | Expired |
| US4695046A | Specimen holder clamp for a microtome | Performing Operations; Transporting | 4 | Expired |
| USD325091S | Refrigeration cabinet for a microtome | General | 4 | Expired |
| USD304592S | Protective cover for a rotatable turret assembly and objectives of an inverted microscope | General | 3 | Expired |
| US4702464A | Guide device for guiding a movable part of an apparatus relative to a fixed part of the apparatus | Physics | 2 | Expired |
| US4377813A | Electrocardiograph apparatus | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.