Fisher Controls
1880 William Fisher invented the Fisher Type 1 constant pressure pump governor
1880 He founded the company in Marshalltown, Iowa.
1884 Fisher obtained a patent for the Fisher Type 1.
1888 Incorporated as Fisher Governor Company.
1905 William Fisher died. After this his widow, Martha, took his place as president.
1912 Jasper Fisher, the founder's son, took control of the company.
1938 Jasper Fisher died.
1940 Edna Fisher, Jasper's widow, became president.
The business continued to expand, and in 1950 entered into a licensing agreement with Elliott Brothers of the UK. Under the terms of the agreement, the two companies would jointly manufacture Fisher valves and controllers.
1957 Acquired Continental Equipment Company of Pennsylvania.
1969 Acquired by Monsanto. Change of name to Fisher Controls Company.
1975 Acquired Marshall Die Casting.
1979 Fisher was merged with part of the GEC to form Fisher International.
Fisher acquired the Industrial Weighing Division of GEC-Elliott Automation.
1981 The company changed its name to Fisher Controls International.
1982 Western Scientific acquired the Industrial Weighing Division of Fisher Controls
1985 Acquired Posi-Seal International.
1992 Monsanto sold Fisher to Emerson Electric Company.
1993 Merged with Rosemount Incorporated to form Fisher-Rosemount.
2001 Fisher-Rosemount renamed Emerson Process Management.