Patent assignee · DE · COMPANY

SGL Technik GmbH

14Patents
0Active
14Granted
33Portfolio score

Filing activity: May 31, 1995 → Feb 5, 2001

Most-cited patents

PatentTitleAreaCited byStatus
US6258457A Metal-reinforced graphite multilayer sheet Emerging Cross-Sectional Technologies 50 Expired
US6030913A Silicon carbide articles reinforced with short graphite fibers Mechanical Engineering; Lighting; Heating 35 Expired
US6444107B2 Method and device for the simultaneous production of acid and base of high purity Emerging Cross-Sectional Technologies 33 Expired
US6231791A Silicon carbide articles reinforced with short graphite fibers Mechanical Engineering; Lighting; Heating 32 Expired
US6838162B1 Fiber-bundle-reinforced composite material having a ceramic matrix, method for manufacturing a composite material and method for manufacturing elements formed of a composite material Emerging Cross-Sectional Technologies 30 Expired
US6537654B1 Protection products and armored products made of fiber-reinforced composite material with ceramic matrix Emerging Cross-Sectional Technologies 24 Expired
US6270083A Packing yarn made of graphite foil and plastic foil and method of manufacturing a packing yarn Emerging Cross-Sectional Technologies 20 Expired
US5804116A Method for the manufacture of shaped bodies formed from plastics-filler mixtures having a high filler content Emerging Cross-Sectional Technologies 18 Expired
US6385956B1 Packing yarn made of graphite foil and metal foil and method of manufacturing a packing yarn Emerging Cross-Sectional Technologies 11 Expired
US5730916A Process for manufacturing essentially carbon filler or distributing body for flowing liquids Emerging Cross-Sectional Technologies 11 Expired
US5853429A Method for converting multidimensional sheet structures consisting of polyacrylonitrile fibres into the thermally stabilized stage Textiles; Paper 7 Expired
US5967770A Device for continuous thermal treatment of multidimensional sheet structures consisting of fibers made of polyacrylonitrile Textiles; Paper 5 Expired
US6645456B2 Method for producing expandable graphite intercalation compounds using phosphoric acids, and graphite foil Chemistry; Metallurgy 5 Expired
US6106263A Extruder for manufacture of shaped bodies from plastics-filler mixtures having high filler content Emerging Cross-Sectional Technologies 5 Expired

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