Forskningscenter Riso
19Patents
0Active
19Granted
37Portfolio score
Filing activity: Sep 22, 1988 → Feb 18, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6555350B2 | Method for processing lignocellulosic material | Emerging Cross-Sectional Technologies | 151 | Expired |
| US6320272A | Wind turbine with a wind velocity measurement system | Emerging Cross-Sectional Technologies | 107 | Expired |
| US6853457B2 | Optical amplification in coherence reflectometry | Human Necessities | 90 | Expired |
| US6323949A | Optical measurement method and apparatus which determine a condition based on quasi-elastic-interaction | Physics | 64 | Expired |
| US5053142A | Method for treating polluted material | Emerging Cross-Sectional Technologies | 59 | Expired |
| US4904441A | Method of forming a pellet of condensed gas and a pellet injector for injecting the same into a reactor | Emerging Cross-Sectional Technologies | 55 | Expired |
| US5350641A | Solid state fuel cell and process for the production thereof | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5506061A | Method for the preparation of metal matrix composite materials | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7445431B2 | Method of controlling aerodynamic load of a wind turbine based on local blade flow measurement | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6840734B2 | Method of operating a turbine | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6705838B1 | Modified wind turbine airfoil | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6248994A | Method and apparatus for determining angular displacement, surface translation, and twist | Physics | 12 | Expired |
| US5946979A | Flywheel | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6907124B1 | Optical encryption and decryption method and system | Physics | 11 | Expired |
| US6514043B1 | Wind turbine hub | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5886104A | Grafted cross-linked polyolefin substrates for peptide synthesis and assays | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6900943B2 | Optical amplification in coherent optical frequency modulated continuous wave reflectometry | Human Necessities | 8 | Expired |
| US6866957B1 | Solid oxide fuel cell as well as a method of manufacturing said solid oxide fuel cell | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7186817B2 | Polynucleotides encoding phytase polypeptides | Human Necessities | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.