Dieter Kramer
14Patents
5h-index
31Co-inventors
66Inventor score
Filing activity: Jul 13, 1978 → Feb 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4471978A | Push-pull connecting system for pressure lines, brake-system lines in particular | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4790007A | Telephone instrument | Electricity | 32 | Expired |
| US4782522A | Terminal for a telecommunications switching system having an additional keyboard and/or visual display | Electricity | 27 | Expired |
| US4226445A | Hose and pipe coupling | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4511694A | Hydrophilic polymer carrier for proteins | Chemistry; Metallurgy | 18 | Expired |
| US5326698A | Method of purification of penicillin amidase using phenylbutylamine-eupergit | Performing Operations; Transporting | 5 | Expired |
| US4247643A | Preparation of stabilized carrier-bound proteins | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4813880A | Arrangement for main distribution frames | Electricity | 4 | Expired |
| US6820017B1 | Method for determining the amplitude and phase angle of a measuring signal corresponding to a current or voltage of an electrical power supply network | Physics | 3 | Expired |
| US9149875B2 | Device for clamping a workpiece holder to a collet chuck that can be fixed to a machine tool | Emerging Cross-Sectional Technologies | 2 | Active |
| US8239098B2 | Industrial truck, in particular, a lift truck | Performing Operations; Transporting | 1 | Active |
| US11492996B2 | Piston having outer thread | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7617011B2 | Automation system | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10204751B2 | Method and arrangement for parameterizing bay controllers and/or protective devices of a switching arrangement | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.