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Norbert Erhard
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Lorch, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure intensifier device, diecasting machine casting unit and op...
Patent number
11,649,836
Issue date
May 16, 2023
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Pressure intensifier device, diecasting machine casting unit and op...
Patent number
11,015,619
Issue date
May 25, 2021
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Casting component and method for the application of an anticorrosiv...
Patent number
10,766,064
Issue date
Sep 8, 2020
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hot runner feed system for a diecasting mould
Patent number
10,618,108
Issue date
Apr 14, 2020
Oskar Frech GmbH +Co. KG
Marc Nowak
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Collapsible core and a casting mold half equipped therewith
Patent number
10,441,996
Issue date
Oct 15, 2019
Oskar Frech GmbH +Co. KG
Ronny Aspacher
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Control device for the advancing motion of a casting plunger
Patent number
9,993,868
Issue date
Jun 12, 2018
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Casting plunger and casting unit with shut-off valve
Patent number
9,505,053
Issue date
Nov 29, 2016
Oskar Frech GmbH +Co. KG
Ronny Aspacher
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Casting unit for a diecasting machine
Patent number
9,233,417
Issue date
Jan 12, 2016
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Casting machine system and process for producing hybrid metal/plast...
Patent number
8,376,025
Issue date
Feb 19, 2013
Oskar Frech GmbH + Co. KG
Norbert Erhard
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Feed block unit, feed system and control device for a pressure die-...
Patent number
8,302,660
Issue date
Nov 6, 2012
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Feed back unit, feed system and control device for a pressure die-c...
Patent number
8,104,529
Issue date
Jan 31, 2012
Oskar Frech GmbH & Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Release agent spray device for a casting machine
Patent number
8,042,750
Issue date
Oct 25, 2011
Oskar Frech GmbH & Co. KG
Norbert Erhard
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Heatable metering device for a hot chamber die-casting machine
Patent number
7,810,550
Issue date
Oct 12, 2010
Oskar Frech GmbH & Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Spray head for a spraying tool
Patent number
7,472,841
Issue date
Jan 6, 2009
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Protective gas device for pressure die-casting machines
Patent number
7,290,588
Issue date
Nov 6, 2007
Oskar Frech GmbH & Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Spray head for a mold spraying tool
Patent number
7,156,144
Issue date
Jan 2, 2007
Oskar Frech GmbH +Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Spray element for a spray head
Patent number
7,032,842
Issue date
Apr 25, 2006
Oskar Frech GmbH & Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Injection unit for a pressure die casting machine
Patent number
6,581,670
Issue date
Jun 24, 2003
Oskar Frech GmbH & Co.
Roland Fink
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hot chamber die-casting machine
Patent number
6,390,175
Issue date
May 21, 2002
Oskar Frech GmbH + Co.
Roland Fink
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Mold closing unit especially for a hot chamber die-casting machine
Patent number
6,321,826
Issue date
Nov 27, 2001
Oskar Frech GmbH + Co.
Roland Fink
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Pressure Intensifier Device, Diecasting Machine Casting Unit and Op...
Publication number
20210108655
Publication date
Apr 15, 2021
Oskar Frech GmbH + Co. KG
Norbert ERHARD
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Hot Runner Feed System for a Diecasting Mould
Publication number
20180354025
Publication date
Dec 13, 2018
Oskar Frech GmbH + Co. KG
Marc NOWAK
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Sprue System for a Diecasting Die
Publication number
20180169747
Publication date
Jun 21, 2018
Oskar Frech GmbH + Co. KG
Marc NOWAK
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Pressure Intensifier Device, Diecasting Machine Casting Unit and Op...
Publication number
20180023597
Publication date
Jan 25, 2018
Oskar Frech GmbH + Co. KG
Norbert ERHARD
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Hollow Core and a Casting Mould Half Equipped Therewith
Publication number
20160016226
Publication date
Jan 21, 2016
Oskar Frech GmbH + Co. KG
Ronny ASPACHER
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Control Device for the Advancing Motion of a Casting Plunger
Publication number
20150000856
Publication date
Jan 1, 2015
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Casting Component and Method for the Application of an Anticorrosiv...
Publication number
20140193635
Publication date
Jul 10, 2014
Oskar Frech GmbH + Co. KG
Norbert Erhard
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Casting Plunger and Casting Unit with Shut-Off Valve
Publication number
20140042193
Publication date
Feb 13, 2014
Oskar Frech GmbH + Co. KG
Ronny Aspacher
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Casting Unit for a Diecasting Machine
Publication number
20120273530
Publication date
Nov 1, 2012
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Feed Block Unit, Feed System and Control Device for a Pressure Die-...
Publication number
20120145352
Publication date
Jun 14, 2012
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Casting Machine System and Process for Producing Hybrid Metal/Plast...
Publication number
20110000634
Publication date
Jan 6, 2011
Oskar Frech GmbH + Co. KG
Norbert Erhard
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Release Agent Spray Device for a Casting Machine
Publication number
20090302192
Publication date
Dec 10, 2009
Oskar Frech GmbH & Co., KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Feed Back Unit, Feed System and Control Device for a Pressure Die-C...
Publication number
20080289791
Publication date
Nov 27, 2008
Oskar Frech GmbH & Co. KG
Norbert ERHARD
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Heatable Metering Device for a Hot Chamber Die-Casting Machine
Publication number
20070199674
Publication date
Aug 30, 2007
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Protective gas device for pressure die-casting machines
Publication number
20060090874
Publication date
May 4, 2006
Oskar Frech GmbH & Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Spray head for a mold spraying tool
Publication number
20040222322
Publication date
Nov 11, 2004
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Spray head for a spraying tool
Publication number
20040217211
Publication date
Nov 4, 2004
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Spray element for a spray head
Publication number
20040217212
Publication date
Nov 4, 2004
Oskar Frech GmbH + Co. KG
Norbert Erhard
B22 - CASTING POWDER METALLURGY