Brifer International Ltd.
13Patents
0Active
13Granted
27Portfolio score
Filing activity: Nov 9, 1994 → Jul 8, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5833734A | Process for the direct reduction of particulate iron-containing material and a plant for carrying out the process | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5871560A | Process and plant for the direct reduction of iron-oxide-containing materials | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5823224A | Slide valve | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5439504A | Direct-reduction process for directly reducing particulate iron-oxide-containing material | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6048381A | Method and arrangement for cooling hot bulk material | Chemistry; Metallurgy | 5 | Expired |
| US5554206A | Method of charging ore | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5858058A | Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5676734A | Method of treating fine ore | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5904119A | Furnace apparatus for fluidized bed processes | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6165250A | Process for the direct reduction of iron oxides | Chemistry; Metallurgy | 0 | Expired |
| US5912400A | Method for reforming reducing gas in a fluidized bed process for reduction of ore | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5879618A | Apparatus for treating fine ore | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6051182A | Apparatus and process for the direct reduction of iron oxides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.