Institut de Recherches de La Siderurgie Francaise (IRSID)
88Patents
0Active
88Granted
38Portfolio score
Filing activity: Aug 7, 1972 → Feb 22, 1993
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4708325A | Induction heating system for reheating the edges of a metallurgical product and variable air gap inductor associated therewith | Performing Operations; Transporting | 33 | Expired |
| US4799010A | Process for detecting defects on a surface by eddy currents and device for carrying out said process | Physics | 29 | Expired |
| US4178979A | Method of and apparatus for electromagnetic mixing of metal during continuous casting | Performing Operations; Transporting | 24 | Expired |
| US4799011A | Process and device for detecting structural defects in a product utilizing differential detection of eddy currents | Physics | 23 | Expired |
| US5062900A | Process for the improvement of the corrosion resistance of metallic materials | Chemistry; Metallurgy | 21 | Expired |
| US4040467A | Continuous-casting system with electro-magnetic mixing | Performing Operations; Transporting | 20 | Expired |
| US5355935A | Method and device for vibrating an ingot mould for the continuous casting of metals | Performing Operations; Transporting | 19 | Expired |
| US4009749A | Thin-walled mold for the continuous casting of molten metal | Performing Operations; Transporting | 18 | Expired |
| US4828227A | Inductor for the inductive reheating of metallurgical products | Electricity | 18 | Expired |
| US4340208A | Refractory piece permeable to gases | Chemistry; Metallurgy | 16 | Expired |
| US4665317A | Process and equipment for sensing surface defects on a moving strip | Physics | 15 | Expired |
| US3987840A | Method and apparatus for continuously casting of metal in horizontal direction | Performing Operations; Transporting | 15 | Expired |
| US5010578A | Method and apparatus for the identification of metal surface finishes | Physics | 14 | Expired |
| US4329136A | Apparatus for the automatic preparation of an X-ray spectrometry sample | Physics | 13 | Expired |
| US4130423A | Pulverulent composition for forming protective layer on steel melts | Emerging Cross-Sectional Technologies | 13 | Expired |
| US3941183A | Liquid cooled electromagnetic continuous casting mold | Performing Operations; Transporting | 12 | Expired |
| US4315771A | Process to continuously determine the profile of a charge fed into a blast furnace | Physics | 12 | Expired |
| US4026346A | Liquid-cooled mold for continuous casting of molten metal | Performing Operations; Transporting | 11 | Expired |
| US4411412A | Metallurgical container for the inductive treatment of metal | Electricity | 10 | Expired |
| US4079184A | Furnace wall element | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4042008A | Continuous-casting mold with electromagnet | Performing Operations; Transporting | 10 | Expired |
| US4396182A | Lance for blowing an oxydizing gas, especially oxygen, onto a bath of molten metal | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4075035A | Temperature detecting device for a furnace | Physics | 9 | Expired |
| US4183508A | Metallurgical induction heating apparatus | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4707183A | Method of operating a blast furnace with plasma heating | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.