Inventor · Mannheim, DE

Gerhard Welzel

7Patents
4h-index
14Co-inventors
50Inventor score

Filing activity: Aug 3, 1977 → Nov 16, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4852533A Mounting arrangement for vehicle engine and the like Mechanical Engineering; Lighting; Heating 25 Expired
US4371636A Preparation of copolymer dispersions having a narrow particle size distribution, and exhibiting dilatant flow over a broad range of concentrations Chemistry; Metallurgy 16 Expired
US4654396A Highly dilatant polymer dispersions with reduced temperature dependence of the critical shearing rate Chemistry; Metallurgy 10 Expired
US4224421A Water-soluble, crosslinked nitrogen-containing condensation products Chemistry; Metallurgy 7 Expired
US4128511A Water-soluble, crosslinked nitrogenous condensation products produced by reaction of chlorohydrin-ethers with ethyleneimine Chemistry; Metallurgy 4 Expired
US4485055A Reproducible production of shaped articles of various geometries from polymer dispersions, melts or solutions Textiles; Paper 4 Expired
US4534720A Apparatus for the preparation of bonding fibers from polymer dispersions Textiles; Paper 0 Expired

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