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Patents Grantslast 30 patents

Information Patent Grant
Heat-recovery boiler
- Patent number 7,322,317
- Issue date Jan 29, 2008
- Lurgi AG
- Walter Boll
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method of preventing metal dusting corrosion of ducts which conduct...
- Patent number 5,935,517
- Issue date Aug 10, 1999
- Metallgesellschaft AG
- Werner Roll
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Tubular heater for preparing carbon monoxide-containing gas mixtures
- Patent number 5,490,974
- Issue date Feb 13, 1996
- Metallgesellschaft Aktiengesellschaft
- Friedrich Hohmann
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Heat-recovery boiler
- Publication number 20060075976
- Publication date Apr 13, 2006
- Walter Boll
- F28 - HEAT EXCHANGE IN GENERAL