1819 The Siebe company formed by Augustus Siebe, a British inventor who developed one of the first diving helmets
1856 Saxby registers the first patent for Interlocking of Points and Signals in the UK
1860 Saxby & Farmer become the world's first Signalling Manufacturer
1869 George Westinghouse patents the air brake and establishes the Westinghouse Air Brake Company in USA
1875 Westinghouse Continuous Brake Co opens first UK depot at Kings Cross
1881 Westinghouse Brake Co Ltd established
1914 George Westinghouse dies aged 67 after founding 60 companies and granted 361 US patents in his lifetime
1920 Westinghouse Brake Co Ltd combines with Saxby & Farmer Ltd
1968 Westinghouse is a central player in the introduction of the world's first fully automated passenger railway, the Victoria Line on London's Underground
1979 Westinghouse acquired by Hawker Siddeley Group
1984 Westinghouse selected for Singapore Metro
1985 Westinghouse installs the word's first electronic interlocking system, the SSI, at Leamington Spa in the UK
1989 Westinghouse wins first contract for Beijing Metro
1999 BTR and Siebe merge to create Invensys
2001 Invensys Rail created
2003 Invensys wins its first ERTMS contract for Spain's High Speed network
2004 Invensys agrees a £2.7 billion refinancing, and begins to move towards its present structure
2005 Ulf Henriksson is appointed Chief Executive of Invensys plc
2006 James Drummond appointed CEO and President of Invensys Rail
2007 Beijing Metro Line 5 goes into passenger service utilising Invensys Rail's Integrated Supervisory Control System
2007 Invensys Rail opens its first dedicated office in India
2008 Invensys Rail acquires US based Quantum Engineering for $38m
2008 Invensys Rail wins its first contract in Turkey
2009 Invensys Rail wins its 7th consecutive High Speed Line signalling contract in Spain
2009 Invensys Rail appoints 4 regional business development directors and opens offices in 4 continents
2009 Invensys Rail awarded £123m contract for Singapore's new Downtown Line