Inventor · disambiguated record

Klaus Engels

Also filed as: ENGELS KLAUS

1 granted patent·9 citations·filing 1991–1991

31Inventor score

Technology areasB01D

Files withMETALLGESELLSCHAFT AG1

Top patents by PatentIndex Score

1 record

0131US5228885AProcess of concentrating a dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plantMETALLGESELLSCHAFT AG·Filed 1991·Granted Jul 20, 1993·9 cites·9 claims

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