Patent assignee · DE · COMPANY

Barmag AG

242Patents
0Active
242Granted
42Portfolio score

Filing activity: Feb 14, 1985 → Aug 23, 2002

Most-cited patents

PatentTitleAreaCited byStatus
US4720806A Method and apparaus for centrally collecting measured values Performing Operations; Transporting 59 Expired
US5029762A Yarn winding apparatus and method Performing Operations; Transporting 51 Expired
US5342000A Strand braking apparatus Performing Operations; Transporting 49 Expired
US5297381A Hydraulic system Mechanical Engineering; Lighting; Heating 28 Expired
US5698146A Method and apparatus for spinning a synthetic multi-filament yarn Textiles; Paper 26 Expired
US5711615A Antifriction bearing Emerging Cross-Sectional Technologies 26 Expired
US5148666A Yarn heating apparatus Textiles; Paper 24 Expired
US5700490A Apparatus and method for the thermal treatment of fibers Textiles; Paper 23 Expired
US4986074A Hydraulic cylinder control system for garbage collection truck lift-dump handler Performing Operations; Transporting 23 Expired
US4720702A Method and apparatus for monitoring the tension of an advancing yarn Performing Operations; Transporting 21 Expired
US4737087A Drive shaft seal for gear pump and method Mechanical Engineering; Lighting; Heating 21 Expired
US4697753A Stepped precision winding process Performing Operations; Transporting 21 Expired
US5016829A Takeup machine Performing Operations; Transporting 20 Expired
US5971107A System for supplying lubricant to a plurality of bearings Emerging Cross-Sectional Technologies 20 Expired
US4813853A Internal gear pump Mechanical Engineering; Lighting; Heating 19 Expired
US6105724A Method for a controlled supply of lubricant to an antifriction bearing Emerging Cross-Sectional Technologies 18 Expired
US5526995A Yarn winding method Performing Operations; Transporting 17 Expired
US6257804A Powder metering apparatus for dispensing a powder-air mixture to a consumer Performing Operations; Transporting 17 Expired
US5251363A Method and apparatus for combining differently colored threads into a multi-colored yarn Textiles; Paper 17 Expired
US4902461A Method for heating an advancing yarn Textiles; Paper 16 Expired
US5088168A Yarn texturing apparatus with heat sensor in stuffer box to control heat flow Textiles; Paper 16 Expired
US5928579A Apparatus and method for spinning and winding multifilament yarns Performing Operations; Transporting 16 Expired
US6543580B1 Lubrication apparatus and method of applying a lubricant Performing Operations; Transporting 15 Expired
US4667889A Stepped precision winding process Performing Operations; Transporting 15 Expired
US5100072A Yarn winding apparatus and method Performing Operations; Transporting 15 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.