Smiths Group plc operates as a technology company severing the medical technology, security and defense, general industrial, energy, and space and aerospace markets worldwide. It operates in five divisions: John Crane, Smiths Medical, Smiths Detection, Smiths Interconnect, and Flex-Tek. The John Crane division offers mechanical seals, seal support systems, hydrodynamic bearings, packing materials, power transmission couplings, and specialized filtration systems. The Smiths Medical division provides specialty medical devices and consumables, including infusion systems, vascular access products, patient airway and temperature management equipment, and specialty devices in the areas of diagnostics and emergency patient transport. It serves hospitals, surgery centers, clinics, and home care providers, as well as other medical device manufacturers. The Smiths Detection division offers sensors and systems that detect and identify explosives, narcotics, weapons, chemical agents, biohazards, and contraband. The Smiths Interconnect division provides specialized electronic and radio frequency board-level and waveguide devices, connectors, cables, test sockets, and sub-systems for applications in the security and defense, medical, general industrial, and space and aerospace markets. The Flex-Tek division offers engineered components that heat and move fluids and gases for the aerospace, medical, industrial, construction, and domestic appliance markets. The company was formerly known as Smiths Industries and changed its name to Smiths Group plc in 2000. Smiths Group plc was founded in 1851 and is headquartered in London, the United Kingdom.