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SA Saarbergwerke Aktiengesellschaft: 1 patents #13 of 40Top 35%
Overall (All Time): #3,904,725 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
4932335 Coal combustion with a fluidized incineration bed Hermann Bruckner, Gerhard Scholl, Karl-Ewald Stoll 1990-06-12