Herbert Pietrowski
17Patents
5h-index
35Co-inventors
66Inventor score
Filing activity: Oct 20, 1995 → Aug 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5575249A | Plastic intake manifold assembly with hollow resonance chamber structure for internal combustion engines | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6422221B1 | Intake manifold with integrated exhaust gas recirculation system | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6474284B1 | Air-routing system, especially a suction system of an internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6431136B1 | Intake device with ram pipes and longitudinally adjustable resonance pipes | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6328011A | Suction pipe for the intake air of internal combustion engines with pressure-relieving sites for pressure valves | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6655348B1 | Port system, especially an induction manifold for an internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6321718A | Intake module | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7025029B2 | Air intake tube for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US6578537B2 | Welded intake device for an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6732695B2 | Intake manifold for an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6823838B2 | Switching assembly for closing intake lines of an air intake device and intake device incorporating same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6807935B2 | Intake pipe for an internal combustion engine comprising at least two welded shells | Performing Operations; Transporting | 2 | Expired |
| US10012135B2 | Air-guiding component with an intercooler | Emerging Cross-Sectional Technologies | 1 | Active |
| US9657651B2 | Intake pipe for gas of an internal combustion engine with a flap unit | Emerging Cross-Sectional Technologies | 1 | Active |
| US11583795B2 | Fastening module and filter system | Performing Operations; Transporting | 1 | Active |
| US9631875B2 | Heat exchanger for cooling a fluid of an internal combustion engine, assembly with at least one heat exchanger and method for manufacturing a heat exchanger | Emerging Cross-Sectional Technologies | 1 | Active |
| US6647941B2 | Air-routing system, especially a suction system of an internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.