Compur-Electronic GmbH
18Patents
0Active
18Granted
31Portfolio score
Filing activity: May 21, 1975 → Jul 1, 1983
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4666309A | Head for measuring reflectance | Physics | 94 | Expired |
| US4568191A | Distance-independent optical reflectance instrument | Physics | 86 | Expired |
| US4442426A | Signal transmission | Physics | 29 | Expired |
| US4193538A | Apparatus for separating and measuring sample components | Performing Operations; Transporting | 14 | Expired |
| US4003662A | Portable photometer | Physics | 13 | Expired |
| US4384283A | Method and an apparatus for monitoring the subjection of individual people to harmful gases | Physics | 12 | Expired |
| US4052164A | Apparatus for centrifugal separation and measurement of samples | Performing Operations; Transporting | 10 | Expired |
| US4128400A | Read-off device for medical samples | Physics | 8 | Expired |
| USD259140S | Pocket-size centrifuge | General | 7 | Expired |
| US4240749A | Test vessel | Physics | 7 | Expired |
| US4435167A | Centrifuge | Performing Operations; Transporting | 5 | Expired |
| USD269416S | Photometer | General | 4 | Expired |
| US4199544A | Read-off device for medical samples | Physics | 4 | Expired |
| US4052165A | Apparatus for centrifugal separation of test samples | Performing Operations; Transporting | 3 | Expired |
| US4357300A | Apparatus for process analysis | Physics | 3 | Expired |
| US4636082A | Fiber optic reflectance measurement apparatus | Physics | 2 | Expired |
| USD258447S | Pocket-size photometer | General | 2 | Expired |
| US4445148A | Automatic telephone answering apparatus | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.