LOESCHE GMBH
48Patents
23Active
48Granted
45Portfolio score
Filing activity: Jan 17, 1978 → Apr 16, 2020 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6827221B1 | Mill classifier | Performing Operations; Transporting | 18 | Expired |
| US5622321A | Mill classifier | Performing Operations; Transporting | 14 | Expired |
| US5244157A | Air flow rolling mill | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4432500A | Roll mill for milling coal | Performing Operations; Transporting | 11 | Expired |
| US6019595A | Burner | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5353997A | Process for crushing raw lignite | Performing Operations; Transporting | 7 | Expired |
| US4235385A | Roller mill with liquid-gas suspension | Performing Operations; Transporting | 7 | Expired |
| US6021968A | Roller mill | Performing Operations; Transporting | 5 | Expired |
| US6113015A | Roller mill | Performing Operations; Transporting | 5 | Expired |
| US6079646A | Blade ring for air-swept roller mills | Performing Operations; Transporting | 5 | Expired |
| US6092748A | Blade ring for air-swept roller mills | Performing Operations; Transporting | 5 | Expired |
| US6685117B2 | Method for milling raw materials | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8453846B2 | Method for classifying a ground material-fluid mixture and mill classifier | Performing Operations; Transporting | 4 | Active |
| US5607111A | Method and apparatus for crushing material of different grain size | Performing Operations; Transporting | 4 | Expired |
| US5115989A | Dynamic roller mill air classifier | Performing Operations; Transporting | 4 | Expired |
| US7341212B2 | Enhanced ore comminution process and apparatus | Performing Operations; Transporting | 4 | Expired |
| US6276620A | Milling plant and method for milling raw materials | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9162256B2 | Method for classifying a ground material-fluid mixture and mill classifier | Performing Operations; Transporting | 3 | Active |
| US7690591B2 | Roller mill | Performing Operations; Transporting | 3 | Active |
| US7350727B2 | Roller mill, particularly air-swept roller mill, and method for grinding materials with magnetizable, particularly iron-containing constituents, E. G. slag | Performing Operations; Transporting | 3 | Expired |
| US7578459B2 | Enhanced ore communication process and apparatus | Performing Operations; Transporting | 2 | Active |
| US8925844B2 | Roller mill | Performing Operations; Transporting | 2 | Active |
| US5531388A | Air-swept mill | Performing Operations; Transporting | 2 | Expired |
| US8100351B2 | Method and device for grinding hot, wet raw material | Emerging Cross-Sectional Technologies | 2 | Active |
| US4218023A | Grinding pan bearing arrangement and drive of a roller mill | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.