Siegfried Heer
28Patents
9h-index
11Co-inventors
72Inventor score
Filing activity: Sep 16, 1998 → Aug 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6328006A | Device for adjusting the phase angle of a camshaft of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US6257186A | Device for adjusting the phase angle of a camshaft of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6302073A | Device for adjusting the phase angle of a camshaft of an internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6138622A | Device for adjusting the phase angle of a camshaft of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6139274A | Radial impeller for a centrifugal pump | Performing Operations; Transporting | 19 | Expired |
| US6112706A | Cooling system for motor vehicles | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7331592B2 | Compressed air processing apparatus for compressed air systems of motor vehicles | Performing Operations; Transporting | 17 | Expired |
| US7625437B2 | Cartridge for cleaning compressed air in compressed air supply systems of motor vehicles | Emerging Cross-Sectional Technologies | 17 | Active |
| US5979382A | Device for adjusting the phase angle of a camshaft of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6200089A | Coolant pump | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7431406B2 | Compressed air processing system | Performing Operations; Transporting | 8 | Expired |
| US6270312A | Cooling water pump for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7194345B2 | Compressed air processing system for motor vehicles | Performing Operations; Transporting | 7 | Expired |
| US6138623A | Device for adjusting the phase angle of a camshaft | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6543399B2 | Apparatus for adjusting a camshaft | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6176204A | Cooling water pump for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6991001B2 | Compressed air control apparatus for compressed air systems of motor vehicles | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6158958A | Centrifugal pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6267554A | Cooling water pump | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6755172B2 | Thrust stopper device for camshaft | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7139649B2 | Method for adaptation of a level of a vehicle with an air suspension element | Performing Operations; Transporting | 2 | Expired |
| US11207935B2 | Electronic control device and control circuit for an air suspension system of a commercial vehicle | Performing Operations; Transporting | 2 | Active |
| US6053195A | Pressure control valve | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6318307A | Cooling system for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6966341B2 | Compressed air control apparatus for compressed air systems of motor vehicles | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.