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Ehringshausen - Katzenfurt, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Device for preparing transformers
Patent number
6,732,448
Issue date
May 11, 2004
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Helmut Strzala
F26 - DRYING
Information
Patent Grant
Method and device for filling casting molds with casting resin
Patent number
6,306,322
Issue date
Oct 23, 2001
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Hauser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Device and method for the continuous degassing of casting resin
Patent number
5,591,252
Issue date
Jan 7, 1997
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Haeuser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and equipment for filing casting molds with casting resin or...
Patent number
5,551,486
Issue date
Sep 3, 1996
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Hauser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Equipment for filling one or more casting molds with castable, liqu...
Patent number
5,545,029
Issue date
Aug 13, 1996
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Hauser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Device and method for the continuous degassing of casting resin
Patent number
5,409,523
Issue date
Apr 25, 1995
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Haeuser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Device for filling one or more molds with flowable materials
Patent number
5,257,722
Issue date
Nov 2, 1993
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Gerd Neff
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Device for filling molds with a casting resin and the like
Patent number
5,147,660
Issue date
Sep 15, 1992
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Hans-Joachim Steindorf
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Casting system for the processing of casting resin
Patent number
4,741,623
Issue date
May 3, 1988
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Haeuser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for mixing and degassing components of synthetic resins,...
Patent number
4,391,529
Issue date
Jul 5, 1983
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Wilhelm Hedrich
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Dosing system
Patent number
4,317,647
Issue date
Mar 2, 1982
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Hauser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pressure-regulated mold-filling apparatus for thermosetting material
Patent number
4,307,760
Issue date
Dec 29, 1981
Wilhelm Hedrich Vakuumanlagen GmbH & Co. KG
Erhard Hauser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
System for feeding two synthetic-resin components to a mold
Patent number
4,279,360
Issue date
Jul 21, 1981
Wilhelm Hedrich Vakuumanlagen GmbH & Co. K.G.
Erhard Hauser
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
79084207 - HEDRICH
Serial number
79084207
Registration number
3980241
Filing date
Mar 11, 2010
Wilhelm Hedrich Vakuumanlagen; GmbH & Co. KG
6 - Common metals and their alloys