SINTEF
🏢 View company profile →29Patents
10Active
29Granted
41Portfolio score
Filing activity: May 15, 1974 → Nov 16, 2018 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4654267A | Magnetic polymer particles and process for the preparation thereof | Emerging Cross-Sectional Technologies | 114 | Expired |
| US4336173A | Process for preparing an aqueous emulsion or dispersion of a partly water-soluble material, and optionally further conversion of the prepared dispersion or emulsion to a polymer dispersion when the partly water-soluble material is a polymerizable monomer | Chemistry; Metallurgy | 113 | Expired |
| US4459378A | Monodisperse polymer particles and dispersions thereof | Chemistry; Metallurgy | 102 | Expired |
| US7110577B1 | Method and apparatus for measuring structures in a fingerprint | Human Necessities | 93 | Expired |
| US4774265A | Process for preparing magnetic polymer particles | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4563510A | Process for the preparation of polymer latex | Chemistry; Metallurgy | 35 | Expired |
| US4530956A | Process for the preparation of aqueous dispersions of organic material and possible further conversion to a polymer dispersion when the organic material is a polymerizable monomer | Chemistry; Metallurgy | 34 | Expired |
| US6086729A | Method of manufacturing thin metal membranes | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7054471B2 | Method and apparatus for measuring structures in a fingerprint | Human Necessities | 15 | Expired |
| US6595063B1 | Sensor element especially for pressure sensors | Physics | 11 | Expired |
| US4113687A | Process for preparing latex | Chemistry; Metallurgy | 11 | Expired |
| US4565634A | Method for the removal of oxygen from water | Performing Operations; Transporting | 10 | Expired |
| US4731386A | Process for the preparation of methanol in liquid phase | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4948572A | Process for the recovery of sulfur dioxide from gas flows | Chemistry; Metallurgy | 7 | Expired |
| US7741625B2 | Infrared source | Electricity | 5 | Active |
| US4559212A | Process for purifying gases containing sulphur dioxide | Performing Operations; Transporting | 4 | Expired |
| US5108625A | Process for removing sodium sulfate from aqueous buffer solutions | Chemistry; Metallurgy | 4 | Expired |
| US7333639B2 | Method and apparatus for measuring structures in a fingerprint | Human Necessities | 4 | Active |
| US9329360B2 | Actuator having two piezoelectric elements on a membrane | Electricity | 4 | Active |
| US4536273A | Diffusion barrier for aluminium electrolysis furnaces | Chemistry; Metallurgy | 3 | Expired |
| US3940526A | Braced insulating element and method for its manufacture | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9250418B2 | Fabry-perot interferometer with piezoelectric actuator contracting in radial direction on membrane | Electricity | 2 | Active |
| US8666201B2 | Photonic crystal sensor | Physics | 2 | Active |
| US7989821B2 | Infrared source | Electricity | 1 | Active |
| US10836854B2 | Inverse Ugelstad particles | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.