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Wolfgang Weise
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Frankfurt, DE
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last 30 patents
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Patent Grant
Cadmium-free silver alloy as low-melting brazing filler material
Patent number
6,299,835
Issue date
Oct 9, 2001
Degussa AG
Wolfgang Weise
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Sintered silver-iron material for electrical contacts and process f...
Patent number
5,985,440
Issue date
Nov 16, 1999
Degussa Aktiengesellschaft
Wolfgang Weise
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Silver-iron material for electrical switching contacts (I)
Patent number
5,841,044
Issue date
Nov 24, 1998
Degussa Aktiengesellschaft
Wolfgang Weise
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Silver-iron material for electrical switching contacts (II)
Patent number
5,808,213
Issue date
Sep 15, 1998
Degussa Aktiengesellschaft
Wolfgang Weise
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sintering material containing silver-tin oxide for electrical conta...
Patent number
5,798,468
Issue date
Aug 25, 1998
Degussa Aktiengesellschaft
Wolfgang Weise
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Silver-iron material for electrical switching contacts (III)
Patent number
5,728,194
Issue date
Mar 17, 1998
Degussa Aktiengesellschaft
Wolfgang Weise
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cadmium-free silver alloy brazing solder, method of using said sold...
Patent number
5,531,962
Issue date
Jul 2, 1996
Degussa Aktiengesellschaft
Wolfgang Weise
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for soldering hard substances onto steels
Patent number
5,400,946
Issue date
Mar 28, 1995
Degussa Aktiengesellschaft
Wolfgang Weise
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Use of a cadmium-free silver alloy as brazing solder (III)
Patent number
5,341,981
Issue date
Aug 30, 1994
Degussa Aktiengesellschaft
Wolfgang Weise
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Direct bonding of ceramic parts by a silver alloy solder
Patent number
4,980,243
Issue date
Dec 25, 1990
Degussa Aktiengesellschaft
Willi Malikowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Silver-iron material for electrical contacts
Patent number
4,859,238
Issue date
Aug 22, 1989
Degussa Aktiengesellschaft
Wolfgang Weise
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Soft-solder alloy for bonding ceramic articles
Patent number
4,797,328
Issue date
Jan 10, 1989
Degussa Aktiengesellschaft
Wolfgang Boehm
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for coating surfaces with hard substances
Patent number
4,749,594
Issue date
Jun 7, 1988
Degussa Aktiengesellschaft
Willi Malikowski
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR