Helmut Schwegler
19Patents
11h-index
46Co-inventors
64Inventor score
Filing activity: Jun 19, 1996 → Jul 3, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5890474A | Method and arrangement for checking the operability of a tank-venting system | Mechanical Engineering; Lighting; Heating | 68 | Expired |
| US6205979A | Spring locator for damping device | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US5901742A | Pressure control valve | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6418909B2 | Low cost hydraulic damper element and method for producing the same | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US6321719A | Pressure damper for a pressure vessel | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6213143A | Liquid filter with integral pressure regulator | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6112728A | Device for diagnosis of a tank ventilation system of a vehicle | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6247486A | Liquid filter with built-in pressure regulator | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5765538A | Pump device for a fuel vapor retention system of an internal combustion engine | Performing Operations; Transporting | 13 | Expired |
| US5794597A | Device for supplying internal combustion engine with fuel from supply container | Performing Operations; Transporting | 12 | Expired |
| US6431149B1 | Fuel supply system of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6029694A | Diaphragm pressure regulating valve assembly | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7188789B2 | Atomising nozzle | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6439263B2 | Pressure regulating valve and method for producing a pressure regulating valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6516786B2 | Method and arrangement for through-flow controlling fuel vapor in a tank-venting system of a motor vehicle | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6182502A | Diagnostic module for testing the tightness of a container | Physics | 6 | Expired |
| US5975115A | Pressure control valve | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6513501B1 | Flat tubular pressure damper for damping fluid pressure pulsations in fluid lines | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6739361B2 | Method and arrangement for obtaining a low-emission tanking operation of a tank system including a tank system of a motor vehicle | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.