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Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve Co., 113 U.S. 157 (1885), was a patent case to determine validity of patent No. 58,294, [1] granted to George W. Richardson September 25, 1866, for an improvement in steam safety valves. [2]
Anderson Greenwood Crosby is a US manufacturing company that produces valves for industrial processes, including pressure relief and tank protection valves. The firm was established as Anderson Greenwood in 1947 in Houston, Texas by Marvin Greenwood, Ben Anderson, and Lomis Slaughter Jr to produce a light aircraft, the AG-14.
A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.
PORV are also called pilot-operated safety valve (POSV), pilot-operated pressure relief valve (POPRV), or pilot-operated safety relief valve (POSRV), depending on the manufacturer and the application. Technically POPRV is the most generic term, but PORV is often used generically (as in this article) even though it should refer to valves in ...
Dover Artificial Lift (formerly Norris Production Solutions) [3] is an oilfield services company headquartered in The Woodlands, Texas.The company provides products and services for artificial lift during production of petroleum and natural gas.
Following Dresser's death, his descendants decided to sell it, and in 1928 the Wall Street investment-banking firm of W. A. Harriman and Company, Inc., converted the firm into a public company by issuing 300,000 shares of stock.
Tinker Air Force Base in Oklahoma City, Oklahoma, was named in his honor on 14 October 1942. [7] 1 July 1942 Consolidated LB-30 Liberator II, AL527, of the 38th Bomb Squadron, 30th Bomb Group, flown by 1st Lt. Robert K. Murphy [citation needed] departed March Field, California, and struck the top of a low knoll two miles (3.2 km) west of the ...
Dixon Valve & Coupling Company, LLC [1] is a manufacturer and supplier of hose fittings and accessories. The company, often referred to as just Dixon, offers products for fire protection, food processing, dairy processing, beverage and brewery operations, industrial manufacturing, mining, construction, chemical processing, petroleum processing and refining, oilfields, mobile tankers and ...
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