Royal Purple (lubricant manufacturer) Royal Purple (lubricant manufacturer) Royal Purple is an American manufacturer which produces lubricants for automotive, industrial, marine, motorcycle, and racing use. It is known primarily for its line of synthetic Royal Purple Motor Oil products used in gasoline and diesel engines. They also produce other fluids including gear oil, transmission fluid, power steering fluid and industrial gear, bearing, engine, and hydraulic oil. Other products include chassis and bearing grease, lubricant aerosol, aerosol chain lubricant, and firearm lubricant. The company was founded in 1986 by John Williams, a synthetic oil developer and later consultant. Due to a customer who said he
Heston Aircraft Company Heston Aircraft Company Heston Aircraft Company was a British aircraft manufacturer based at Heston Aerodrome, Middlesex, England. Starting in 1934 the company produced a number of aircraft designs beginning with the Heston Phoenix and the Hordern-Richmond Autoplane. During the Second World War the company transitioned to being a sub-contractor, modifying Supermarine Spitfires amongst other types. After the war the company built aircraft components for companies such as de Havilland Aircraft. Heston Aircraft Company Ltd was founded on 10 August 1934, being renamed from Comper Aircraft Company Ltd, that had moved to Heston aerodrome in March 1933, having previously built 40