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Klaus-Dieter Nehren
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Dormagen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-component mixing system having a rotatable container and cont...
Patent number
9,022,258
Issue date
May 5, 2015
Heraeus Kulzer GmbH
Klaus-Dieter Nehren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Single-use cartridges for the storing and dispensing of dental two-...
Patent number
8,631,973
Issue date
Jan 21, 2014
Heraeus Kulzer GmbH
Andreas Grundler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Sealing piston for cartridges with de-aeration and barrier properties
Patent number
7,353,972
Issue date
Apr 8, 2008
Heraues Kulzer GmbH & Co. KG
Klaus-Dieter Nehren
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Two-component dental molding composition having at least one anti-a...
Patent number
7,053,135
Issue date
May 30, 2006
Heraeus Kulzer GmbH & Co. KG
Matthias Schaub
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Silicone composition curing at room temperature and the use thereof
Patent number
6,503,994
Issue date
Jan 7, 2003
Heraeus Kulzer GmbH & Co. KG
Klaus-Dieter Nehren
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Silicone composition curing at room temperature and the use thereof
Patent number
6,218,461
Issue date
Apr 17, 2001
Heraeus Kulzer GmbH & Co. KG
Peter Schwabe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
MULTI-COMPONENT MIXING SYSTEM HAVING A ROTATABLE CONTAINER AND CONT...
Publication number
20130181012
Publication date
Jul 18, 2013
Heraeus Kulzer GmbH
Klaus-Dieter Nehren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
UNIT-DOSE PACKAGE FOR DENTAL MIXING DEVICE
Publication number
20110084093
Publication date
Apr 14, 2011
Heraeus Kulzer GmbH
Klaus-Dieter NEHREN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Single-use cartridges for the storing and dispensing of dental two-...
Publication number
20100330525
Publication date
Dec 30, 2010
HARAEUS KULZER GMBH
Andreas Grundler
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MULTI-COMPONENT SYSTEMS OPTIMISED FOR MIXING CONTROL
Publication number
20100265789
Publication date
Oct 21, 2010
HERAEUS KULZER GMBH
Klaus-Dieter Nehren
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Impression Compounds
Publication number
20100022739
Publication date
Jan 28, 2010
Heraeus Kulzer GmbH
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for the Production of Dental Moulding Materials and Device T...
Publication number
20080264809
Publication date
Oct 30, 2008
Heraeus Kulzer GmbH
Gottfried Knispel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Molding Compositions
Publication number
20080146695
Publication date
Jun 19, 2008
Hartmut Nefzger
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Cartridge for pasty materials
Publication number
20060138166
Publication date
Jun 29, 2006
Heraeus Kulzer GmbH
Klaus-Dieter Nehren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Process for mixing and device for the regulation of the fill level...
Publication number
20050205606
Publication date
Sep 22, 2005
Heraeus Kulzer GmbH
Klaus-Dieter Nehren
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Device for opening a tubular bag and its application
Publication number
20050161454
Publication date
Jul 28, 2005
Heraeus Kulzer GmbH
Klaus-Dieter Nehren
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Multi-component cartridge and its application
Publication number
20050155269
Publication date
Jul 21, 2005
Heraeus Kulzer GmbH
Klaus-Dieter Nehren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Sealing piston for cartridges with de-aeration and barrier properties
Publication number
20050087565
Publication date
Apr 28, 2005
Heraeus Kulzer GmbH & Co., KG
Klaus-Dieter Nehren
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Cartridge with pistons that can be de-aerated
Publication number
20050066809
Publication date
Mar 31, 2005
Heraeus Kulzer GmbH & co.KG
Klaus-Dieter Nehren
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Two-component preparation
Publication number
20040146713
Publication date
Jul 29, 2004
Heraeus Kulzer GmbH & co.KG
Matthias Schaub
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Apparatus for emptying a hose bag
Publication number
20020113089
Publication date
Aug 22, 2002
Klaus-Dieter Nehren
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL