Inventor · Hülben, DE

Wilhelm Kullen

7Patents
2h-index
12Co-inventors
48Inventor score

Filing activity: May 4, 1983 → Jul 21, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4465287A Cylinder-head gasket for piston-type internal combustion engines Mechanical Engineering; Lighting; Heating 17 Expired
US6974137B2 Flat gasket, in particular exhaust manifold gasket, and assembly accommodating such a gasket Mechanical Engineering; Lighting; Heating 9 Expired
US7735835B2 Sealing arrangement Mechanical Engineering; Lighting; Heating 2 Active
US8328203B2 Sealing system for exhaust-gas lines Mechanical Engineering; Lighting; Heating 1 Active
US6371490B1 Flat gasket Mechanical Engineering; Lighting; Heating 1 Expired
US9664285B2 Sheet-metal flat seal layer and method for the production thereof Emerging Cross-Sectional Technologies 1 Active
US5455101A Flat sealing plate combustion engine gasket Emerging Cross-Sectional Technologies 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.