Robert Hoffmann
31Patents
3h-index
20Co-inventors
63Inventor score
Filing activity: Jul 6, 1998 → Aug 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6824192B2 | Truck top frame | Performing Operations; Transporting | 11 | Expired |
| US8875566B2 | Method for monitoring the state of a piezoelectric injector of a fuel injection system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8061188B2 | Method for determining a functional state of a piezoelectric injector of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9121378B2 | Method for determining the force conditions at the nozzle needle of a directly driven piezo injector | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US11710946B2 | Gas arrester | Electricity | 2 | Active |
| US10727008B2 | Contact device for an electrical switch, and electrical switch | Electricity | 2 | Active |
| US9127632B2 | Method for detecting faulty components of an electronically regulated fuel injection system of an internal combustion engine | Electricity | 2 | Active |
| USD421738S | Sporting goods insert for pickup storage compartment | General | 2 | Expired |
| US11462379B2 | Switching device with two stationary contacts and a movable contact in a switching chamber | Electricity | 1 | Active |
| US8296044B2 | Method for the localization of a fault location within a fuel injection system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12094673B2 | Relay | Electricity | 1 | Active |
| US11063409B2 | Gas arrester | Electricity | 1 | Active |
| US11742166B2 | Switching device for switching an electrical load | Electricity | 0 | Active |
| US9590394B2 | Surge arrester | General | 0 | Revoked |
| US12027332B2 | Switching device with rotary contact bridge | Electricity | 0 | Active |
| US12362118B2 | Switching device | Electricity | 0 | Active |
| US10920710B2 | Method for identifying faulty components of a fuel injection system | Emerging Cross-Sectional Technologies | 0 | Active |
| US11557448B2 | Switching device | Electricity | 0 | Active |
| US9587610B2 | Method for monitoring the condition of a piezo injector of a fuel injection system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9627855B2 | Surge arrester | Electricity | 0 | Active |
| US9453473B2 | Method for actuating a piezo injector of a fuel injection system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10140397B2 | Computer-implementable method for use with a surge arrester | Electricity | 0 | Active |
| US10908216B2 | Device for measuring a condition of an electric switch, electric switch and method for measuring a condition of an electric switch | Electricity | 0 | Active |
| US11551898B2 | Switching device | Electricity | 0 | Active |
| US10944243B2 | Method for producing an arrester, and arrester | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.