Sidney Flavel and Co
Flavels of Leamington, of Eagle Foundry, Leamington, Warwickshire. Telephone: Leamington 100. Telegraphic Address: "Flavels, Leamington".
1777 Company founded when John Flavel acquired a foundry in Bilton near Rugby
1803 Moved to Leamington Spa
William Flavel, John's son, invented the Kitchener range cooker, which was made in cast iron and could be used for boiling, roasting, baking and warming.
1844 William died
1869 Advert for their patented Kitchener (oven).
1869 Expiration of the Partnership between Sidney Flavel and William Henry Betts, carrying on business as Manufacturers of Flavel's Prize Kitcheners, at Leamington Priors, in the county of Warwick, under the style or firm of Sidney Flavel and Company, by effluxion of time. The business was carried on by Sidney Flavel and his son, Sidney Flavel, junior.
1902 Company incorporated - Flavel Range and Imperial Gas Stoves Ltd.
1914 Name changed.
1937 Listed Exhibitor - British Industries Fair. "Kabineat" All-Porcelain Enclosed Gas Cooker, "Kitchen-Grand" Stainless Steel Enclosed Cooker, "Elf" Wall-type Cooker, "J" Series Cookers, "Radiant-Panel" Gas Heaters, Built-in and Independent Gas Fires, "Metro" Gas-ignited Coke Fires, "Metro-Log" Gas Fire, "Paradise" Gas Grill. (Stand Nos. Ca.607 and Ca.506) 
1939 Death of Percy William Flavel, Managing Director
1944 Public issue of shares
1947 Acquired W. Whitehouse and Sons (Halesowen) Ltd as the start of a process of bringing material supplies more under the company's control.
1951 Acquired Bersham Foundry Ltd when permission was refused for expansion of Halesowen foundry
1956 Patent - Improvements in or relating to boilers.
1961 Manufacturers of gas cookers, hotplates, water heaters, fires, clothes dryers, bakers' ovens, solid fuel cookers, grates and boiling units. 1,300 employees. 
1962 Patent - Door handle.
1969 Introduced Flavel Debonair radiant gas fire
2001 Glynwed became AGA Foodservice
At some point Flavel was sold to Beko; Rangemaster cookers continued to be made at Leamington Spa.