Christoph Keller
22Patents
3h-index
26Co-inventors
63Inventor score
Filing activity: Feb 11, 1997 → Oct 12, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6202857A | Frame for flat sifter and process for producing the same | Performing Operations; Transporting | 11 | Expired |
| US7991586B2 | Device for transmitting measured values | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US6584771B2 | Piston for a hydraulic cylinder, in particular a clutch master cylinder for motor vehicles | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6523444B2 | Method for cutting at least one workpiece section which may have been produced in an extrusion press | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8021133B2 | Feed pump | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5957030A | Actuator and the process for its assembly | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6260710A | Flat sifter | Performing Operations; Transporting | 3 | Expired |
| US11787424B2 | Method for checking at least one driving environment sensor of a vehicle | Physics | 1 | Active |
| US6743295B2 | Compartment for powder coating of workpieces | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6582517B2 | Compartment for powder coating of workpieces | Performing Operations; Transporting | 1 | Expired |
| US8403625B2 | Pitot tube pump | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6713223B2 | Device for articulated connection between a control element and a control rod with a ball head | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11993257B2 | Method for operating a vehicle assistance system, device for executing the method, and vehicle | Physics | 0 | Active |
| US11866050B2 | Method and device for operating a vehicle assistance system | Performing Operations; Transporting | 0 | Active |
| US12106579B2 | Method for operating at least one environment sensor on a vehicle | Performing Operations; Transporting | 0 | Active |
| US12005893B2 | Method for guiding a motor vehicle in an at least partly automated manner | Performing Operations; Transporting | 0 | Active |
| US6569246B2 | Powder coating assembly | Emerging Cross-Sectional Technologies | 0 | Expired |
| US11993286B2 | Vehicle and method for detecting damage to a vehicle | Performing Operations; Transporting | 0 | Active |
| US9683541B2 | Energy generating unit | Emerging Cross-Sectional Technologies | 0 | Active |
| US8851834B2 | Centrifugal pump | Emerging Cross-Sectional Technologies | 0 | Active |
| US12358503B2 | Method for operating an automated vehicle | Performing Operations; Transporting | 0 | Active |
| US12024185B2 | Method and system for synchronizing at least two sensor systems | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.