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  2. SimplexGrinnell - Wikipedia

    en.wikipedia.org/wiki/SimplexGrinnell

    Grinnell Fire Protection was purchased by Tyco in 1976. Tyco bought Simplex Time Recorder Company on January 5, 2001, for US$1.15 billion and merged it with Grinnell Fire Protection, forming SimplexGrinnell. The time clock division of Simplex was sold to Kronos shortly afterward. On September 6, 2016, Johnson Controls and Tyco completed a ...

  3. Tyco International - Wikipedia

    en.wikipedia.org/wiki/Tyco_International

    Tyco International plc was a security systems company incorporated in the Republic of Ireland, [2] with operational headquarters in Princeton, New Jersey, United States (Tyco International (US) Inc.). Tyco International was composed of two major business segments: security solutions and fire protection.

  4. Wormald International - Wikipedia

    en.wikipedia.org/wiki/Wormald_International

    In 1990, Wormald International, valued at US$1 billion, was itself purchased by Princeton, New Jersey–based Tyco International - becoming part of its Boca Raton, Florida–based fire protection division that included Grinnell Mechanical Products (the company whose fire sprinklers Mather & Platt had licensed to be distributed by Wormald in ...

  5. Grinnell Mechanical Products - Wikipedia

    en.wikipedia.org/wiki/Grinnell_Mechanical_Products

    Fire protection was a new science in this time period and depended on manually turning on the sprinklers. In 1874, Henry S. Parmelee of New Haven, Connecticut, patented an automatic sprinkling device, and four years later the Providence Steam and Gas Pipe Co. secured the right to manufacture and install it, paying royalties to the inventor.

  6. Frederick Grinnell - Wikipedia

    en.wikipedia.org/wiki/Frederick_Grinnell

    A few years later, ITT Grinnell sold its US industrial activities to Tyco International. Grinnell remains today a trade mark inside the Tyco group. In 2001, Grinnell Fire Protection was merged with the Simplex Time Recorder Company to form SimplexGrinnell, which is the largest fire protection company in the world. ITT Grinnell supporting ...

  7. Fire sprinkler - Wikipedia

    en.wikipedia.org/wiki/Fire_sprinkler

    A fire sprinkler mounted on a ceiling. A fire sprinkler or sprinkler head is the component of a fire sprinkler system that discharges water when the effects of a fire have been detected, such as when a predetermined temperature has been exceeded. Fire sprinklers are extensively used worldwide, with over 40 million sprinkler heads fitted each year.

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