DURFERRIT GMBH

Organization

68169 MANNHEIM, DE

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing corrosion-resistant surfaces of nitrated or ni...
- Patent number 8,747,573
- Issue date Jun 10, 2014
- Durferrit GmbH
- Ulrich Baudis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for continuous mixing and melting inorganic salts and furnac...
- Patent number 8,092,214
- Issue date Jan 10, 2012
- Durferrit GmbH
- Michel Heinrich
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for hardening the surfaces of work pieces made of stainless...
- Patent number 8,083,866
- Issue date Dec 27, 2011
- Durferrit GmbH
- Ulrich Baudis
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for hardening stainless steel and molten salt bath for reali...
- Patent number 7,909,943
- Issue date Mar 22, 2011
- Durferrit GmbH
- Ulrich Baudis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Hardening protection compositions for partial carburization of meta...
- Patent number 6,964,712
- Issue date Nov 15, 2005
- Durferrit GmbH
- Stefan Wigger
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Boronizing agent in paste form
- Patent number 6,503,344
- Issue date Jan 7, 2003
- Houghton Durferrit GmbH
- Ulrich Baudis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Boriding agent
- Patent number 6,245,162
- Issue date Jun 12, 2001
- Houghton Durferrit GmbH
- Ulrich Baudis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for the electrolytic production of cyanide in nitrocarburiz...
- Patent number 6,159,355
- Issue date Dec 12, 2000
- Houghton Durferrit GmbH
- Ulrich Baudis
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for the selective recovery of the salt constituents from us...
- Patent number 5,846,501
- Issue date Dec 8, 1998
- Durferrit GmbH Thermotechnik
- Matthias Kremer
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for recovering the salt constituents from hardening-shop sa...
- Patent number 5,769,906
- Issue date Jun 23, 1998
- Durferrit GmbH Thermotechnik
- Mattias Kremer
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the Pre-treatment of steel parts prior to salt bath nitr...
- Patent number 5,735,971
- Issue date Apr 7, 1998
- Durferrit GmbH Thermotechnik
- Georg Wahl
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Filter unit and apparatus for desludging salt baths
- Patent number 5,527,018
- Issue date Jun 18, 1996
- Durferrit GmbH Thermotechnik
- George Wahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for the preparation of a hardening salt in piece form and pr...
- Patent number 5,453,109
- Issue date Sep 26, 1995
- Durferrit GmbH Thermotechnik
- Peter Schalke
- C21 - METALLURGY OF IRON

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Patents Applicationslast 30 patents

Information Patent Application
EXPLOSIVE
- Publication number 20110160450
- Publication date Jun 30, 2011
- Durferrit GmbH
- Ulrich Baudis
- C06 - EXPLOSIVES MATCHES
Information Patent Application
METHOD FOR PRODUCING CORROSION-RESISTANT SURFACES OF NITRATED OR NI...
- Publication number 20100243109
- Publication date Sep 30, 2010
- Durferrit GmbH
- Ulrich Baudis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR HARDENING THE SURFACES OF WORK PIECES MADE OF STAINLESS...
- Publication number 20100108198
- Publication date May 6, 2010
- Durferrit GmbH
- Ulrich Baudis
- C21 - METALLURGY OF IRON
Information Patent Application
Method for continuous mixing and melting inorganic salts and furnac...
- Publication number 20080233527
- Publication date Sep 25, 2008
- Durferrit GmbH
- Michel Heinrich
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Method for hardening stainless steel and molten salt bath for reali...
- Publication number 20080099108
- Publication date May 1, 2008
- Durferrit GmbH
- Ulrich Baudis
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

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Trademarklast 30 trademarks

Information Trademark
77039286 - QPQ
- Serial number 77039286
- Filing date Nov 8, 2006
- Durferrit GmbH
- 40 - Treatment of materials
Information Trademark
76581338 - DURFERRIT
- Serial number 76581338
- Registration number 3014548
- Filing date Mar 11, 2004
- Durferrit GmbH
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
74717629 - TENIFER
- Serial number 74717629
- Filing date Aug 16, 1995
- Durferrit GmbH Thermotechnik
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
74716375 - TENIFER TF 1
- Serial number 74716375
- Filing date Aug 16, 1995
- Durferrit GmbH Thermotechnik
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
74705965 - AB 1
- Serial number 74705965
- Registration number 2103924
- Filing date Jul 25, 1995
- Durferrit GmbH Thermotechnik
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

DURFERRIT GMBH

Organization

Patents Grantslast 30 patents

Method for producing corrosion-resistant surfaces of nitrated or ni...

Method for continuous mixing and melting inorganic salts and furnac...

Method for hardening the surfaces of work pieces made of stainless...

Method for hardening stainless steel and molten salt bath for reali...

Hardening protection compositions for partial carburization of meta...

Boronizing agent in paste form

Boriding agent

Process for the electrolytic production of cyanide in nitrocarburiz...

Process for the selective recovery of the salt constituents from us...

Process for recovering the salt constituents from hardening-shop sa...

Method for the Pre-treatment of steel parts prior to salt bath nitr...

Filter unit and apparatus for desludging salt baths

Method for the preparation of a hardening salt in piece form and pr...

Patents Applicationslast 30 patents

EXPLOSIVE

METHOD FOR PRODUCING CORROSION-RESISTANT SURFACES OF NITRATED OR NI...

METHOD FOR HARDENING THE SURFACES OF WORK PIECES MADE OF STAINLESS...

Method for continuous mixing and melting inorganic salts and furnac...

Method for hardening stainless steel and molten salt bath for reali...

Trademarklast 30 trademarks

77039286 - QPQ

76581338 - DURFERRIT

74717629 - TENIFER

74716375 - TENIFER TF 1

74705965 - AB 1