Hellmut Krohn
9Patents
7h-index
9Co-inventors
52Inventor score
Filing activity: Feb 6, 1974 → Apr 8, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4509802A | Installation for charging a pressure reservoir provided as a pressure source within a propulsion control system of a motor vehicle | Performing Operations; Transporting | 43 | Expired |
| US4849891A | Device for propulsion control for a motor vehicle with all-wheel drive | Performing Operations; Transporting | 28 | Expired |
| US4629258A | Hydraulic dual circuit brake system for road vehicles | Performing Operations; Transporting | 25 | Expired |
| US4405181A | Brake valve | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4726630A | Thrust-control device for a motor vehicle | Performing Operations; Transporting | 13 | Expired |
| US4775034A | Floating-caliper disc brake | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4741581A | Device for anti-lock control and for thrust control on a motor vehicle with all-wheel drive | Performing Operations; Transporting | 10 | Expired |
| US4191020A | Servo brake system | Performing Operations; Transporting | 7 | Expired |
| US3942036A | Brake force control system for vehicles especially motor vehicles | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.