Processes or apparatus specially adapted for applying liquids or other fluent materials

Official title: {Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating (applying liquids to surfaces in general B05; treating textile materials by liquids, gases or vapours D06B; impregnated or coated fibreboard D21J1/08; apparatus for making patterned paper D21H5/06; printing machines B41F)}

D21H5/0005 (Processes or apparatus specially adapted for applying liquids or other fluent materials) appears on 181 US grants and 24 published applications in this corpus.