Inventor · Viernheim, DE

Heinz-Jurgen Ungerer

5Patents
4h-index
7Co-inventors
46Inventor score

Filing activity: Oct 18, 1978 → Feb 28, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4961695A Facility for generating fibers, in particular mineral fibers, from a molten mass Emerging Cross-Sectional Technologies 16 Expired
US4269800A Process for the preparation of a composite mat consisting of a layer of mineral wool and a layer of steel wool Mechanical Engineering; Lighting; Heating 13 Expired
US4940478A Method of melting raw materials Emerging Cross-Sectional Technologies 10 Expired
US4822392A Apparatus for producing fibres from silicate raw materials such as basalt by blast drawing Chemistry; Metallurgy 8 Expired
US4698086A Apparatus for producing mineral fibres from molten silicate by blast drawing Chemistry; Metallurgy 3 Expired

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