Carl-Johan Hjerpe
12Patents
6h-index
1Co-inventors
52Inventor score
Filing activity: Oct 29, 2003 → Dec 5, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7297260B2 | System and devices for collecting and treating waste water from engine washing | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US7497220B2 | Method and apparatus for cleaning a turbofan gas turbine engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US8479754B2 | System for washing an aero gas turbine engine | Mechanical Engineering; Lighting; Heating | 20 | Active |
| US7815743B2 | Method and apparatus for cleaning a turbofan gas turbine engine | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US7428818B2 | System and method for augmenting power output from a gas turbine engine | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US7428906B2 | Method for cleaning a stationary gas turbine unit during operation | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US9657589B2 | System for washing an aero gas turbine engine | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8066816B2 | Probe cleaning method and apparatus | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10041372B2 | System for washing an aero gas turbine engine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7670440B2 | Nozzle and method for washing gas turbine compressors | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8273187B2 | Probe cleaning method and apparatus | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7938910B2 | Method for washing gas turbine compressor with nozzle | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.