Hans-Erik Ekström

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Finspang, SE

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Patents Grantslast 30 patents

Information Patent Grant
High strength and sagging resistant fin material
- Patent number 10,131,970
- Issue date Nov 20, 2018
- Gränges Sweden AB
- Anders Oskarsson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High strength and sagging resistant fin material
- Patent number 9,493,861
- Issue date Nov 15, 2016
- Gränges Sweden AB
- Anders Oskarsson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sandwich material with high strength at high temperature for thin s...
- Patent number 9,169,541
- Issue date Oct 27, 2015
- Gränges Sweden AB
- Hans-Erik Ekström
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sandwich material for brazing with high strength at high temperature
- Patent number 8,574,723
- Issue date Nov 5, 2013
- Sapa Heat Transfer AB
- Hans-Erik Ekström
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High strength long-life aluminium tube material with high sagging r...
- Patent number 7,691,489
- Issue date Apr 6, 2010
- Sapa Heat Transfer AB
- Hans-Erik Ekström
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
SANDWICH MATERIAL WITH HIGH STRENGTH AT HIGH TEMPERATURE FOR THIN S...
- Publication number 20120199634
- Publication date Aug 9, 2012
- SAPA HEAT TRANSFER AB
- Hans-Erik Ekström
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SANDWICH MATERIAL FOR BRAZING WITH HIGH STRENGTH AT HIGH TEMPERATURE
- Publication number 20110042053
- Publication date Feb 24, 2011
- Sapa Heat Transfer AB
- Hans-Erik Ekström
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HIGH STRENGTH AND SAGGING RESISTANT FIN MATERIAL
- Publication number 20100012229
- Publication date Jan 21, 2010
- Sapa Heat Transfer AB
- Anders Oskarsson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
High strength and sagging resistant fin material
- Publication number 20080118393
- Publication date May 22, 2008
- Anders Oskarsson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
High strength long-life aluminium tube material with high sagging r...
- Publication number 20050221111
- Publication date Oct 6, 2005
- SAPA HEAT TRANSFER AB
- Hans-Erik Ekstrom
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR