IC 006. US 002 012 013 014 023 025 050. G & S: Metallic pipes, pipe fittings, joints and couplings made wholly or principally in common metal and lined or coated with plastics materials

IC 017. US 001 005 012 013 035 050. G & S: Sheets, tapes, rods, tubes and shaped forms manufactured in polytetrafluoroethylene ( PTFE ), melt fluoropolymers or advanced engineering thermoplastics; products machined, moulded, extruded or fabricated from plastics or elastomeric materials including plastic linings, flexible hoses and couplings and the bonding of plastic and elastomeric materials to metallic or non metallic substrates, all of the aforesaid for use in fluid handling, food, aerospace, medical, chemical, pharmaceutical, oil and gas, and telecommunications applications

IC 040. US 100 103 106. G & S: The preparation and treatment of plastics and elastomeric materials for bonding and adhesion to metallic or non metallic substrates

IC 042. US 100 101. G & S: Research into and the design and development of engineering and scientific products manufactured or coated principally in fluoropolymers, advanced engineering thermoplastics and elastomers