Worthington Pumping Engine Co
of 153 Queen Victoria Street, London, EC.
1850 H. T. Worthington patented the Worthington pump in USA[1].
1880 Worthington's patent expired
1884 Establishment of a UK company, Worthington Pumping Engine Co, as a branch of an American company of similar name, being the sales company for Worthington-type feed pumps made by the Henry R. Worthington company. The UK company obtained its supplies either from Henry R. Worthington or from independent British engineers James Simpson and Co who manufactured under agreements[2].
1885 An order for high pressure pumps to supply the British Army in Sudan with water was awarded to the Worthington Pumping Engine Co; this caused an outcry which brought the matter to the notice of James Simpson and Co who secured sole rights for manufacture of Worthington pumps[3]. This led to an association between the 2 companies which later led to the merger in 1903. See Worthington Simpson
1894 Worthington Pumping Engine Co took action against Naval Construction and Armaments Co to prevent the latter describing their pumps as Worthington pumps[4]
1903 James Simpson and Co and Worthington Pumping Engine Co merged [5] as Worthington Pump Co.
1917 Name changed to Worthington Simpson Ltd when control passed into the hand of the American associates.
Also see Worthington Pump and Machinery Corporation of the USA