Wolfgang Erdmann
24Patents
12h-index
33Co-inventors
81Inventor score
Filing activity: Jul 17, 1986 → Mar 24, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6332913A | Membrane module for selective gas separation | Performing Operations; Transporting | 58 | Expired |
| US5406796A | Exhaust gas turbocharger for a supercharged internal combustion engine | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5372485A | Exhaust-gas turbocharger with divided, variable guide vanes | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US5454225A | Exhaust gas turbocharger for an internal combustion engine | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6050775A | Radial-flow exhaust-gas turbocharger turbine | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US6553762B2 | Exhaust gas turbocharger for an internal combustion engine | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5998772A | Interconnect system for heating conductors | Electricity | 22 | Expired |
| US6977005B2 | Waterless vacuum toilet system for aircraft | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6314736A | Exhaust gas turbine of a turbocharger for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6443696B1 | Exhaust gas turbocharger turbine | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US7047739B2 | Exhaust-gas turbocharger for an internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4723983A | Apparatus for producing highly curved sheets of glass | Chemistry; Metallurgy | 13 | Expired |
| US6223534A | Engine-braking arrangement for an internal combustion engine with an exhaust-gas turbocharger | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6726441B2 | Compressor, in particular for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6126483A | Interconnect system for heating conductors in an aircraft | Electricity | 9 | Expired |
| US6681412B2 | PTFE membrane filter for exhaust air of vacuum toilet system | Performing Operations; Transporting | 7 | Expired |
| USD622813S1 | Electric sulphur evaporator | General | 4 | Expired |
| US7688084B2 | Testing apparatus and method for detecting a contact deficiency of an electrically conductive connection | Physics | 3 | Active |
| US7073334B2 | Variable exhaust gas turbocharger | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7383700B2 | System for heat treatment of glass | Chemistry; Metallurgy | 1 | Expired |
| US8216458B2 | Device for dewatering a hydraulic fluid | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US5235151A | Induction-heated godet | Electricity | 1 | Expired |
| US6101802A | Take-up unit for take-up of a synthetic filament yarn onto a cop | Textiles; Paper | 0 | Expired |
| US8221630B2 | Process for dewatering a hydraulic fluid | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.