Patent assignee · DE · COMPANY

LOESCHE GMBH

48Patents
23Active
48Granted
45Portfolio score

Filing activity: Jan 17, 1978 → Apr 16, 2020 · 9 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
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.