Although VMA members might think the valve industry began with formation of the Valve Manufacturers Association on Sept. 1, 1938, in reality, the industry in this nation was around for 100 years before that date, its roots firmly attached to the American industrial landscape.

vmwnt12_anniv_First- Valves-patentThe very first patent for a valve in the U.S. was filed by James Robertson in 1840.The first valve patent granted in the United States went to James Robinson in 1840. Although his gate valve, or