U.S. federal trademark · Serial No. 78221424 · Reg. No. 2916036
Non-metal annular space seals for overground and underground working in the field of underground working and pipeline installation; Non-metal annular space seals for pipeline construction and for water, gas and power supply companies for sealing wall, ceiling or floor leadthrough passages for supply of disposal pipes as well as for sealing the annular space between the medium and protection pipes of pipe-in-pipe systems; non-metal modular seals for walls and floors; molded parts of rubber, synthetic rubber, silicone rubber and other elastomers, namely, insulators, insulator boots, insulator nipples, insulator strain relief, insulator caps, insulator plugs, bonded insulators for use in piping construction and with piping isolators for fluid communication and fire prevention isolation; non-metal annular space seals for use in industrial and commercial piping applications; non-metal cap seals for use in non-metal annular space seals for pipeline construction; non-metal plug seals for use in non-metal annular space seals for pipeline construction; rubber valve seals, non-metal vacuum air seals, non-metal gasket seals for use in industrial and commercial piping applications; non-metal bonded seals for use in industrial and commercial piping applications; non-metal cover seals for use in industrial and commercial piping applications; non-metal diaphragm seals for use in industrial and commercial piping applications; rubber cushion rolls in the nature of stuffing for use in non-metal annular space seals; non-metal tube and pipe supports; and non-metal modular seals, all capable of withstanding high temperatures and large temperature gradients across a wall being sealed for the purpose of isolating and retardation of spreading of fire
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.