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Leybold GmbH
Leybold GmbH, based in Cologne, is part of the Swedish industry group Atlas Copco. The company’s core competencies are based on the development of components and systems for the generation of vacuum and gas management engineering. History In 1850, the merchant Martin Kothe founded the trading company Kothe, but died a year later. With the introduction of the manager Ernst Leybold in 1851, the company Leybold & Kothe was formed, focusing on the distribution of pharmaceutical and physical-technical equipment and apparatus. In 1863, Ernst Leybold took over the company completely, but resold it in 1870. The company name lived on for some time, however, as E. Leybold’s Nachfolger (E. Leybold’s Successor). The company divested the pharmaceutical sector to focus on propaedeutic and teaching materials, initiating the serial production of vacuum pumps as of 1906. The collaboration with Wolfgang Gaede resulted in the development of the molecular pump (1911), the mercury diffusion ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cologne
Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western States of Germany, state of North Rhine-Westphalia (NRW) and the List of cities in Germany by population, fourth-most populous city of Germany with 1.1 million inhabitants in the city proper and 3.6 million people in the Cologne Bonn Region, urban region. Centered on the left bank of the Rhine, left (west) bank of the Rhine, Cologne is about southeast of NRW's state capital Düsseldorf and northwest of Bonn, the former capital of West Germany. The city's medieval Catholic Cologne Cathedral (), the third-tallest church and tallest cathedral in the world, constructed to house the Shrine of the Three Kings, is a globally recognized landmark and one of the most visited sights and pilgrimage destinations in Europe. The cityscape is further shaped by the Twelve Romanesque churches of Cologne, and Cologne is famous for Eau de Cologne, that has been produced in the city since 1709, and "col ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GEA Group
GEA Group AG (Gesellschaft für Entstaubungsanlagen) is a German corporation, mostly active in the food and beverages sector, headquartered in Düsseldorf, Germany. The company is listed on the German MDAX. History The ancestor of today's GEA AG was Metallgesellschaft AG (MG), established as a metal trading company in 1881 in Frankfurt am Main in 1881 by Wilhelm Merton together with Leo Ellinger (born November 21, 1852, in Frankfurt am Main; died July 16, 1916, there). Between 1881 and 1914, MG was already represented on all continents and invested in mines and metallurgical plants. Due to World War I, it lost a large proportion of foreign investments and started chemical trading. In 1920, Gesellschaft für Entstaubungsanlagen (GEA) was founded by Otto Happel, to produce de-dusting equipment. Nazi era When the Nazis came to power in Germany in 1933, Alfred and Richard Merton were expelled from all public offices by the National Socialists because of their Jewish origin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Manufacturing Companies Based In Cologne
Manufacturing is the creation or production of goods with the help of equipment, labor, machines, tools, and chemical or biological processing or formulation. It is the essence of secondary sector of the economy. The term may refer to a range of human activity, from handicraft to high-tech, but it is most commonly applied to industrial design, in which raw materials from the primary sector are transformed into finished goods on a large scale. Such goods may be sold to other manufacturers for the production of other more complex products (such as aircraft, household appliances, furniture, sports equipment or automobiles), or distributed via the tertiary industry to end users and consumers (usually through wholesalers, who in turn sell to retailers, who then sell them to individual customers). Manufacturing engineering is the field of engineering that designs and optimizes the manufacturing process, or the steps through which raw materials are transformed into a final pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Manufacturing Companies Of Germany
Manufacturing is the creation or production of goods with the help of equipment, labor, machines, tools, and chemical or biological processing or formulation. It is the essence of secondary sector of the economy. The term may refer to a range of human activity, from handicraft to high-tech, but it is most commonly applied to industrial design, in which raw materials from the primary sector are transformed into finished goods on a large scale. Such goods may be sold to other manufacturers for the production of other more complex products (such as aircraft, household appliances, furniture, sports equipment or automobiles), or distributed via the tertiary industry to end users and consumers (usually through wholesalers, who in turn sell to retailers, who then sell them to individual customers). Manufacturing engineering is the field of engineering that designs and optimizes the manufacturing process, or the steps through which raw materials are transformed into a final product. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oerlikon Bührle Group
Oerlikon may refer to: Companies *OC Oerlikon (former ''Unaxis''), a Swiss technology conglomerate, or one of its business units: ** Oerlikon Solar ** Oerlikon Balzers ** Oerlikon Leybold Vacuum *Oerlikon-Bührle, a company in Zürich, Switzerland that used to own Bally Shoe, Oerlikon Contraves, Pilatus Aircraft and Britten-Norman Aircraft; see Fairey Aviation Company *Maschinenfabrik Oerlikon, the Oerlikon subsidiary later became Oerlikon-Bührle, and is now part of Asea Brown Boveri *Oerlikon Contraves, a Swiss anti-aircraft artillery manufacturer founded in Zürich Oerlikon **Oerlikon KBA, a 25 mm cannon **Oerlikon 20 mm cannon, an anti-aircraft cannon **Oerlikon 35 mm twin cannon, an anti-aircraft cannon Other uses *Oerlikon (Zürich), a district in the northern part of Zürich, Switzerland *Zürich Oerlikon railway station Zürich Oerlikon railway station (german: Bahnhof Zürich Oerlikon) is a railway station located in the District 11 of Zürich. Together with Zurich Airpor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hanau
Hanau () is a town in the Main-Kinzig-Kreis, in Hesse, Germany. It is located 25 km east of Frankfurt, Frankfurt am Main and is part of the Frankfurt Rhine-Main, Frankfurt Rhine-Main Metropolitan Region. Its Hanau Hauptbahnhof, station is a major railway junction and it has a port on the river Main (river), Main, making it an important transport centre. The town is known for being the birthplace of Brothers Grimm, Jakob and Wilhelm Grimm and Franciscus Sylvius. Since the 16th century it was a centre of precious metal working with many goldsmiths. It is home to Heraeus, one of the largest family-owned companies in Germany. Hanau, once the seat of the Counts of Hanau, lost much of its architectural heritage in World War II. A British air raid in 1945 created a firestorm, killing one sixth of the remaining population and destroying 98 percent of the old city and 80 percent of the city overall. In 1963, the town hosted the third ''Hessentag'' state festival. Until 2005, Hanau wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Evonik Industries
Evonik Industries AG is a stock-listed German specialty chemicals company headquartered in Essen, North Rhine-Westphalia, Germany. It is the second largest chemicals company in Germany, and one of the largest specialty chemicals companies in the world. It is predominantly owned by the RAG Foundation and was founded on 12 September 2007 as a result of restructuring of the mining and technology group RAG Aktiengesellschaft, RAG. Evonik Industries united the business areas of chemicals, energy and real estate of RAG, while mining operations continue to be carried out by RAG. Since then, the energy and real estate business areas have been divested, with no share being held in the former and a minority share still being held in the latter. Its specialty chemicals business generates around 80% of sales in areas in which it holds leading market positions. Evonik Industries employs about 37,000 people and carries out activities in more than 100 countries. The operating activitie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Public Limited Company
A public limited company (legally abbreviated to PLC or plc) is a type of public company under United Kingdom company law, some Commonwealth of Nations, Commonwealth jurisdictions, and the Republic of Ireland. It is a limited liability company whose shares may be freely sold and traded to the public (although a PLC may also be privately held, often by another PLC), with a minimum share capital of £50,000 and usually with the letters PLC after its name. Similar companies in the United States are called Public company, ''publicly traded companies''. Public limited companies will also have a separate legal identity. A PLC can be either an unlisted or listed company on the stock exchanges. In the United Kingdom, a public limited company usually must include the words "public limited company" or the abbreviation "PLC" or "plc" at the end and as part of the legal company name. Welsh companies may instead choose to end their names with , an abbreviation for '. However, some public l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atlas Copco
Atlas Copco (Copco from Compagnie Pneumatique Commerciale) is a Swedish multinational industrial company that was founded in 1873. It manufactures industrial tools and equipment. The Atlas Copco Group is a global industrial group of companies headquartered in Nacka, Sweden. In 2019, global revenues totaled SEK 104 billion, and by the end of that year the company employed about 38,774 people. The firm's shares are listed on the Nasdaq Stockholm exchange and both 'A' and 'B' classes form part of the benchmark OMXS30 index. Atlas Copco companies develop, manufacture, service, and rent industrial tools, air compressors (of which it is the world's leading producer), construction and assembly systems. The Group operates in four areas: Compressor Technology, Vacuum Technology, Power Technology and Industrial Technology. History Early development AB Atlas, as it was previously named, was founded by Edvard Fränckel, who was a Swedish industrialist, politician and senior official ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Annalen Der Physik
''Annalen der Physik'' (English: ''Annals of Physics'') is one of the oldest scientific journals on physics; it has been published since 1799. The journal publishes original, peer-reviewed papers on experimental, theoretical, applied, and mathematical physics and related areas. The editor-in-chief is Stefan Hildebrandt. Prior to 2008, its ISO 4 abbreviation was ''Ann. Phys. (Leipzig)'', after 2008 it became ''Ann. Phys. (Berl.)''. The journal is the successor to , published from 1790 until 1794, and ', published from 1795 until 1797. The journal has been published under a variety of names (', ', ', ''Wiedemann's Annalen der Physik und Chemie'') during its history. History Originally, was published in German, then a leading scientific language. From the 1950s to the 1980s, the journal published in both German and English. Initially, only foreign authors contributed articles in English but from the 1970s German-speaking authors increasingly wrote in English in order to reach an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diffusion Pump
Diffusion pumps use a high speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. They were the first type of high vacuum pumps operating in the regime of free molecular flow, where the movement of the gas molecules can be better understood as diffusion than by conventional fluid dynamics. Invented in 1915 by Wolfgang Gaede, he named it a ''diffusion pump'' since his design was based on the finding that gas cannot diffuse against the vapor stream, but will be carried with it to the exhaust. However, the principle of operation might be more precisely described as gas-jet pump, since diffusion plays a role also in other high vacuum pumps. In modern textbooks, the diffusion pump is categorized as a momentum transfer pump. The diffusion pump is widely used in both industrial and research applications. Most modern diffusion pumps use silicone oil or polyphenyl ethers as the working fluid. History In the late 19th century, mo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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