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A pipe wrench is any of several types of wrench that are designed to turn threaded pipe and pipe fittings for assembly (tightening) or disassembly (loosening). The Stillson wrench, or Stillson-pattern wrench, is the usual form of pipe wrench, especially in the US. The Stillson name is that of the original patent holder, who licensed the design ...
While at the J. J. Walworth Company, he developed his pipe wrench. [2] On September 13, 1870, he was issued his patent. Stillson was paid about $80,000 in royalties during his lifetime. [3] He died on August 23, 1899, and is buried at Mount Auburn Cemetery in Cambridge and Watertown, Massachusetts.
A plumber wrench A plumber wrench, with the key ring on the thread of the left handle Johan Petter Johansson with his wrench. A plumber wrench (or plumber's wrench, pipe wrench, Swedish wrench or Swedish pattern wrench [1]) is a form of plier described as a pipe wrench that uses compound leverage to grip and rotate plumbing pipes.
NOV Inc., formerly National Oilwell Varco, is an American multinational corporation based in Houston, Texas. It is a worldwide provider of equipment and components used in oil and gas drilling and production operations , oilfield services, and supply chain integration services to the upstream oil and gas industry .
Ridgid tools are targeted at the plumbing, pipe fitting, construction, and HVAC trades. The brand is best known for its distinctive red pipe wrenches, [2] [3] but the company manufactures over 300 different types of tools. [1] The company also sells power tools, largely made by TTI, and wet/dry vacs, made by parent company Emerson. [4]
Grant Prideco, Inc. is a supplier of drill pipe and drill stem accessories headquartered in Houston, Texas.Since 2008, it has been a subsidiary of energy services company NOV Inc. Grant Prideco was included on the Fortune magazine top 1000 largest corporations for several years in the mid-2000s [1] [2] and through the 1990s and early 2000s was the world's largest oilfield drill pipe supplier.