Siemens (disambiguation)

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Siemens is a German engineering and technology conglomerate founded by Werner von Siemens.

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Siemens may also refer to:

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Siemens may refer to

<span class="mw-page-title-main">Werner von Siemens</span> German electrical engineer, inventor and industrialist (1816–1892)

Ernst Werner Siemens was a German electrical engineer, inventor and industrialist. Siemens's name has been adopted as the SI unit of electrical conductance, the siemens. He founded the electrical and telecommunications conglomerate Siemens and invented the electric tram, trolley bus, electric locomotive and electric elevator.

<span class="mw-page-title-main">Carl Wilhelm Siemens</span> German-British engineer and businessman (1823–1883)

Sir Carl Wilhelm Siemens, anglicised to Charles William Siemens, was a German-British electrical engineer and businessman.

<span class="mw-page-title-main">Hermann von Siemens</span> German industrialist

Hermann von Siemens was a German industrialist of the Siemens family.

<span class="mw-page-title-main">Siemens</span> German multinational conglomerate company

Siemens AG is a German multinational technology conglomerate. Its operations encompass automation and digitalization in the process and manufacturing industries, intelligent infrastructure for buildings and distributed energy systems, rail transport solutions, as well as health technology and digital healthcare services. Siemens is the largest industrial manufacturing company in Europe, and holds the position of global market leader in industrial automation and industrial software.

<span class="mw-page-title-main">Open hearth furnace</span> A type of industrial furnace for steelmaking

An open-hearth furnace or open hearth furnace is any of several kinds of industrial furnace in which excess carbon and other impurities are burnt out of pig iron to produce steel. Because steel is difficult to manufacture owing to its high melting point, normal fuels and furnaces were insufficient for mass production of steel, and the open-hearth type of furnace was one of several technologies developed in the nineteenth century to overcome this difficulty. Compared with the Bessemer process, which it displaced, its main advantages were that it did not expose the steel to excessive nitrogen, was easier to control, and permitted the melting and refining of large amounts of scrap iron and steel.

<span class="mw-page-title-main">Siemens Brothers</span> Business in London, England

Siemens Brothers and Company Limited was an electrical engineering design and manufacturing business in London, England. It was first established as a branch in 1858 by a brother of the founder of the German electrical engineering firm Siemens & Halske. The principal works were at Woolwich where cables and light-current electrical apparatus were produced from 1863 until 1968. The site between the Thames Barrier and Woolwich Dockyard has retained several buildings of historic interest. New works were built at Stafford in 1903 and Dalston in 1908.

<span class="mw-page-title-main">Carl Friedrich von Siemens</span> German Entrepreneur and politician

Carl Friedrich von Siemens was a German Entrepreneur and politician. A member of the Siemens family, he became associated with Siemens & Halske AG in 1899, his family company. He was responsible for the resurrection of the Siemens Group after the First World War. Before his death in 1941, he oversaw state railways for the Reichstag.

<span class="mw-page-title-main">Siemens & Halske</span> Defunct electrical equipment and engine manufacturer

Siemens & Halske AG was a German electrical engineering company that later became part of Siemens.

Siemens Healthineers is a German company which provides healthcare services. It was spun off from its parent company Siemens in 2017, which retains a 75% stake. Siemens Healthineers is the parent company for several medical technology companies and is headquartered in Erlangen, Germany.

Siemens Communications was the communications and information business arm of German industrial conglomerate Siemens AG, until 2006. It was the largest division of Siemens, and had two business units – Mobile Networks and Fixed Networks; and Enterprise.

<span class="mw-page-title-main">Fyodor Pirotsky</span> Russian engineer

Fyodor Apollonovich Pirotsky, or Fedir Apollonovych Pirotskyy was a Russian engineer of Ukrainian ancestry, inventor of the world's first railway electrification system and electric tram While the commercialization of his inventions in the Russian Empire was relatively slow, Pirotsky is known to have met with Carl Heinrich von Siemens and influenced Siemens' eventual introduction of the first regular electric tram line.

<span class="mw-page-title-main">Samuel T. Wellman</span> American engineer specialzing in steel

Samuel Thomas Wellman, was an American steel industry pioneer, industrialist, and prolific inventor. Charles M. Schwab of Bethlehem Steel described Samuel T. Wellman as "the man who did more than any other living person in the development of steel". Wellman was a close friend of electrical pioneer George Westinghouse, and he was also president of the American Society of Mechanical Engineers from 1901 to 1902.

<span class="mw-page-title-main">Arnold von Siemens</span> German telecommunications industrialist

Arnold von Siemens was a German telecommunications industrialist of the Siemens family, one of the successors on his family's company Siemens.

Ernst Albrecht von Siemens was a German industrialist.

Unify is a Mitel company headquartered in Munich, Germany and is present in over 100 countries. It provides software-based enterprise unified communications including voice, Web collaboration, video conferencing and contact center, networking product and services.

Primetals Technologies Limited, is an engineering and plant construction company headquartered in London, United Kingdom, with numerous locations worldwide. It serves clients in the metals industry, both the ferrous and the nonferrous metals sector. It was established as a joint venture between Siemens VAI Metals Technologies and Mitsubishi-Hitachi Metals Machinery in 2015. As of 2020, Primetals Technologies is a joint venture of Mitsubishi Heavy Industries and partners.

<span class="mw-page-title-main">Siemens family</span> Surname list

The Siemens family is the name of a German noble family, family of technology and telecommunications industrialists, whose members were founders and to the present day the largest shareholders of Siemens AG. The family have a wealth of over €8 billion, making them the 5th richest family in Germany, according to Handelsblatt.

<span class="mw-page-title-main">Siemens Energy</span> German energy company

Siemens Energy AG is an energy company formed through the spin-off of the former Gas and Power division of Siemens, and it includes full ownership of Siemens Gamesa.