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In April 1969, Midland-Ross sold Surface Combustion's Janitrol and Webster divisions to Laird, Inc. The sale did not include the Janitrol Aero division, which was retained by Surface Combustion. [13] In the 1970s, Surface Combustion began developing furnaces for the destruction of chemical weapons under a contract awarded by Edgewood Arsenal. [14]
Goodman Manufacturing was founded by HVAC dealer, Harold V. Goodman, in 1975 as a manufacturer of flexible air ducts and plastic blade registers. However, he turned his sights to fulfill a dream of manufacturing affordable HVAC equipment for households across the United States of America and beyond. [citation needed]
Serial numbers are often used in network protocols. However, most sequence numbers in computer protocols are limited to a fixed number of bits, and will wrap around after sufficiently many numbers have been allocated. Thus, recently allocated serial numbers may duplicate very old serial numbers, but not other recently allocated serial numbers.
The term "serial number" is often seen as a synonym of service number; however, a serial number more accurately describes manufacture and product codes, rather than personnel identification. In the Canadian military, a "serial number" referred to a unique number assigned each unit that mobilized for the Second World War.
By 2008, a report by the United States Department of Energy ranked the firm as fifth in the US in the central air conditioner and heat pump market with a 12% market share (behind UTC/Carrier with 27%, both Goodman/Amana and American Standard/Trane with 14% and Lennox with 12%), while in the residential gas furnace market as of 2008, the company ...
The first part (NN) is the serial number, next the Manufacturer's 2 or 3 letter code, followed by a four digit number that indicates the two-digit month and two-digit year it was manufactured. For example, 123-JOP-0554 means it was Lot 123, made by Joliet Ordnance Plant (JOP) in May 1954.
An API well number or API number is a "unique, permanent, numeric identifier" assigned to each well drilled for oil and gas in the United States. [1] The API number is one of many industry standards established by the American Petroleum Institute. Custody of the API Number standard was transferred in 2010 to the PPDM Association.
The first officer service number was given to John J. Pershing, who held service number 1 with the prefix O, making his service number O-1. [2] Officers' serial numbers were generally determined simply by seniority and entry date into the Army officer corps; between 1921 and 1935, Regular Army officer numbers ranged from 1 to 19 999, with ...