Christoph Erdmann
16Patents
3h-index
27Co-inventors
60Inventor score
Filing activity: Jul 3, 1996 → Sep 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5750590A | Polymerizable material | Chemistry; Metallurgy | 20 | Expired |
| US6902608B2 | Dental material containing phosphonic acids | Chemistry; Metallurgy | 8 | Expired |
| US7318025B2 | Method for improving speech quality in speech transmission tasks | Physics | 5 | Expired |
| US7254532B2 | Method for making a voice activity decision | Physics | 3 | Expired |
| US11149601B2 | Oil separator having first and second gas inlets and gas outlets | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9988957B2 | Ventilation system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10364714B2 | Device for the separation of oil droplets and/or oil mist | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11098623B2 | Oil separator, ventilation system for an internal combustion engine, and internal combustion engine comprising such an oil separator | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10086321B2 | Separation device for liquids | Emerging Cross-Sectional Technologies | 0 | Active |
| US8747647B2 | Process and apparatus for the electrolysis of an aqueous solution of hydrogen chloride or alkali chloride in an electrolytic cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US10682600B2 | Apparatus for cleaning crankcase gases | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9797308B2 | Cover assembly | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7322317B2 | Heat-recovery boiler | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11660610B2 | Turbine and liquid separator having such a turbine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11098622B2 | Oil separator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11292013B2 | Turbine and liquid separator | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.