Process for growing single crystals, especially silicon single crystals comprises pulling the single crystals with rotation from a heated crucible containing a melt made from the crystal material, and cooling the crystals
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Mounting device for mounting a frame
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Czochralski or floating zone crystal growth process, for growing silicon single crystal for semiconductor purposes, comprises supplying polycrystalline silicon in a consumable silicon tube
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Attachment with integrated screw feed for manually and automatically operated screwdriving tools
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Method for measuring and controlling the oxygen concentration in silicon melts and apparatus therefor
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Pumping and stirring assembly for fluid media, particularly for liquid manure
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Apparatus for manufacturing high quality crystals
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Corrosion inhibitor for (non)ferrous metal - which comprises encapsulated nitro-biphenyl, opt. dinitro-pentane and paraffin oil on elastic substrate
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Pot plant packing protective insert - has two sections with bases and cutout portions securing pot
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Gas generating plant for vehicles
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Process for the manufacture of barrel staves
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Improvements in apparatus for separating iron from foundry and casting-cleaning residues
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A method of and machine for preparing moulding and packing sand and like material
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Improvements in or relating to wooden casks, barrels and the like
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Improvements in the manufacture of watertight wooden barrels.
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Cork remover for bottles and the like
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Improvements in or relating to the manufacture of staves for barrels and casks
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Improvements in or relating to the manufacture of staves for barrels and casks
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Improvements in and relating to the production of rolled materials
