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HWT Gesellschaft fur Hydrid-und Wasserstofftechnik m.b.H.
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Mulheim/Ruhr, DE
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Patents Grants
last 30 patents
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Patent Grant
Process and apparatus for the purification of hydrogen gas
Patent number
5,080,875
Issue date
Jan 14, 1992
HWT Gesellschaft fur Hydrid-und Wasserstofftechnik m.b.H.
Otto Bernauer
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method of producing a vacuum
Patent number
4,973,227
Issue date
Nov 27, 1990
HWT Gesellschaft fur Hydrid-und Wasserstofftechnik m.b.H.
Otto Bernauer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...