Grundig AG
16Patents
0Active
16Granted
30Portfolio score
Filing activity: Aug 31, 1978 → Mar 23, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6275804A | Process and circuit arrangement for storing dictations in a digital dictating machine | Physics | 34 | Expired |
| US6246979A | Method for voice signal coding and/or decoding by means of a long term prediction and a multipulse excitation signal | Physics | 23 | Expired |
| US6088349A | Method, transmitter and receiver for the transmission and selection of local radio programs in a common-wave broadcasting network | Electricity | 8 | Expired |
| US5412300A | Numerical control device and method for control of movement of a tool | Physics | 8 | Expired |
| USD258058S | Dictating apparatus | General | 8 | Expired |
| US5355307A | Apparatus for entering and displaying control commands for controlling a machine loop | Physics | 7 | Expired |
| US5315525A | Method for simulating the machining of workpieces | Physics | 7 | Expired |
| US5840363A | Process for throughplating printed circuit boards using conductive plastics | Electricity | 4 | Expired |
| US5835588A | Digital dictation system with protection against unauthorized listening-in | Physics | 4 | Expired |
| US5877710A | Operational parameter non-linear regulation process and circuitry | Electricity | 4 | Expired |
| USD258507S | Telephone answering device-adapter | General | 4 | Expired |
| USD400530S | Hi-fi system | General | 3 | Expired |
| USD260255S | Dictating machine | General | 3 | Expired |
| US6178175A | Circuit array and method for creating a data feedback channel from receiver to transmitter in a common frequency network | Electricity | 3 | Expired |
| US5715591A | Process and design for producing inside coils | Emerging Cross-Sectional Technologies | 2 | Expired |
| USD258059S | Dictating apparatus | General | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.