Ernst-Dieter Schaefer
17Patents
8h-index
30Co-inventors
68Inventor score
Filing activity: Oct 26, 1983 → Mar 13, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4621498A | Tandem master cylinder | Performing Operations; Transporting | 19 | Expired |
| US6093003A | Piston pump | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4550567A | Tandem master cylinder for hydraulically operated vehicular brakes | Performing Operations; Transporting | 15 | Expired |
| US5988768A | Hydraulic braking system for road vehicles, in particular passenger cars | Performing Operations; Transporting | 14 | Expired |
| US5803555A | Damper for damping pressure fluctuations in brake fluid of hydraulic brake systems of a vehicle | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5172956A | Hydraulic system for a motor vehicle brake system having a pump with pulsation reduction | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5842405A | Eccentric arrangement for a reciprocating piston pump | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6389955B1 | Pump assembly for a slip-controlled hydraulic brake system for a vehicle | Performing Operations; Transporting | 10 | Expired |
| US7278835B2 | Piston pump | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5190362A | Pressure limiting valve with uncoupled valve closing body and tappet | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6193481A | Piston pump | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5897302A | Reciprocating piston pump with radial cylinders based by a wire hoop spring against an eccentric shaft | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6272970A | Motor-and-pump unit for a vehicle hydraulic brake system | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5718488A | Damper for damping fluid oscillations in a hydraulic, slip-controlled motor vehicle brake system | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4903734A | Pressure fluid reservoir | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6554111B2 | Method for emptying the pressure medium from a hydraulic unit of a hydraulic brake system of motor vehicles | Performing Operations; Transporting | 1 | Expired |
| US6758243B2 | Pressure accumulator, and method for producing the same | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.