Inventor · Marl, DE

Rainer Feldmann

25Patents
7h-index
22Co-inventors
69Inventor score

Filing activity: Apr 24, 1973 → Feb 22, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4334056A Method for polytropically precipitating polyamide powder coating compositions where the polyamides have at least 10 aliphatically bound carbon atoms per carbonamide group Chemistry; Metallurgy 34 Expired
US4368090A Method of using copolyether ester amides as thermoplastic adhesives for heat sealing textiles Emerging Cross-Sectional Technologies 19 Expired
US4207410A Method for the preparation and use of polyether ester amides with units of the starting components randomly distributed in the polymer chain Chemistry; Metallurgy 16 Expired
US4566931A Heat sealing textiles with copolyamides Emerging Cross-Sectional Technologies 12 Expired
US4101524A Method for the production of colorless polyester amides Chemistry; Metallurgy 11 Expired
US4218549A Thermoplastic molding compositions having improved _flexibility and cold impact strength based upon polyamides from _omega-aminocarboxylic acids and/or lactams having at least 10 carbon atoms Chemistry; Metallurgy 10 Expired
US8997552B2 Method for leak-testing hand-held piston stroke pipettes and associated leak-testing apparatus Performing Operations; Transporting 7 Active
US4273919A Method for producing polylaurolactam powder compositions for the coating of metals at high temperatures and their use in the manufacture of pigmented powders by the dry-blend process Emerging Cross-Sectional Technologies 6 Expired
US4487895A Powdered mixture of polyamides for heat sealing by the powder point process Emerging Cross-Sectional Technologies 6 Expired
US4239807A Polyamide coated base material having an intermediate layer of polybutadiene Emerging Cross-Sectional Technologies 6 Expired
US4172161A Pulverulent copolyamides for the coating of glass bottles Emerging Cross-Sectional Technologies 6 Expired
US4459389A Copolyether ester amides useful as thermoplastic adhesives for heat sealing textiles Emerging Cross-Sectional Technologies 5 Expired
USD825750S1 Dispenser tip General 5 Active
US4386197A Hot-melt adhesive copolyamide having resistance to engine fuels Emerging Cross-Sectional Technologies 5 Expired
US3966838A Polyamide base powder coating material Emerging Cross-Sectional Technologies 5 Expired
US4689361A Coating powders based on polyamide and adhesion improving diisocyanate additive for use in melt film coating method Emerging Cross-Sectional Technologies 5 Expired
US10870107B2 Method for detecting the type of an exchangeable piston-cylinder unit for a dispenser Performing Operations; Transporting 5 Active
US4588785A Application of block copolyester amides as thermoplastic adhesives for textiles Chemistry; Metallurgy 4 Expired
US4447573A Textile hot-melt adhesive Textiles; Paper 4 Expired
US4195162A Method for producing polylaurolactam powder compositions for the coating of metals at high temperatues Chemistry; Metallurgy 3 Expired
US4661585A Pulverulent polyamide coating compositions wherein the polyamide has as an average at least nine carbon atoms per carbonamide group Chemistry; Metallurgy 3 Expired
US5070156A Pulverulent polyamide mixture coating composition wherein the polyamide has as an average at least nine carbon atoms per carbonamide group Chemistry; Metallurgy 3 Expired
US4143025A Method for producing polylaurolactam powder compositions for the coating of metals at high temperatures Chemistry; Metallurgy 3 Expired
US3951909A Polylauryllactam low in fisheye gel content Chemistry; Metallurgy 1 Expired
US4028314A Polylauryllactam having a low fisheye gel content Chemistry; Metallurgy 0 Expired

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