Inventor · Helsingborg, SE

Ralf Andersson

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

Filing activity: Sep 29, 1982 → Dec 15, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
USD276940S Magnifier lamp General 15 Expired
US6841097B2 Method of producing porous spherical particles Chemistry; Metallurgy 12 Expired
US4978069A Method and apparatus for the formation of droplets Performing Operations; Transporting 11 Expired
US4639318A Tubular filter primarily intended for filtration of liquids Performing Operations; Transporting 6 Expired
US7341682B2 Manufacture of polysaccharide beads Chemistry; Metallurgy 2 Expired
US7341202B2 Method and device for producing a coherent layer of even thickness of liquid or melt on a rotating disk Performing Operations; Transporting 0 Expired
US6843427B2 Method and device for producing a coherent layer of even thickness of liquid or melt on a rotating disk Performing Operations; Transporting 0 Expired

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