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Chicago Pneumatic is a brand name in the pneumatic tool industry with a history tracing back to 1901. John W. Duntley had in mind the idea of sourcing and selling construction tools "that weren’t yet available". He established the Chicago Pneumatic Tool Company, [5] with an office in Chicago.
A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...
Vaughan was founded in 1869 in Chicago, Illinois by Alexander Vaughan, an 18-year-old blacksmith, as a plumbing business. Vaughan soon set up a blacksmith shop behind a hardware store in Chicago owned by Sidney Bushnell. On June 15, 1869, Vaughan was granted a patent for an improved post auger [2] and began producing custom tools.
In 1920, the Hurley Machine Company introduced the Thor vacuum cleaner, believed to be the first electric vacuum cleaner manufactured in the United States. [4] Sometime during the 1920s, the Hurley Machine Company became a subsidiary of the newly formed Electric Household Utilities Corporation, still under the control of the Hurley brothers.
By 1929, Square D merged with a Milwaukee-based industrial controller company and began producing Westinghouse-licensed circuit breakers. In 1935 Square D began producing its own range of circuit breakers for both commercial and residential uses. [3] In 1991, the company was acquired and became a subsidiary of Schneider Electric. [4]
Ideal was founded in 1916 by J. Walter Becker as the Ideal Commutator Dresser Company in Chicago, Illinois, manufacturing commutator dresser stones. [6] In 1924, Becker relocated the company to its current location in Sycamore, Illinois. [7] By 1949, it had become the United States' leading producer of wire nuts. [8]
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