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Carsten Vellmer
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Gottingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing a porous sintered magnesia, backfill for produ...
Patent number
11,440,847
Issue date
Sep 13, 2022
Refratechnik Holding GmbH
Hans-Jürgen Klischat
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Refractory coarse ceramic product and method for producing the same...
Patent number
9,809,498
Issue date
Nov 7, 2017
Refratechnik Holding GmbH
Hans-Juergen Klischat
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fire-resistant ordinary ceramic batch, and fire-resistant product t...
Patent number
8,030,236
Issue date
Oct 4, 2011
Refratechnik Holding GmbH
Hans-Jürgen Klischat
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
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Patent Application
BACKFILL FOR PRODUCING A BASIC HEAVY-CLAY REFRACTORY PRODUCT, SUCH...
Publication number
20220396528
Publication date
Dec 15, 2022
Refratechnik Holding GmbH
Hans-Jürgen Klischat
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
METHOD FOR PRODUCING A POROUS SINTERED MAGNESIA, BACKFILL FOR PRODU...
Publication number
20200277231
Publication date
Sep 3, 2020
REFRATECHNIK HOLDING GMBH
Hans-Jürgen KLISCHAT
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SPINEL REFRACTORY GRANULATES WHICH ARE SUITABLE FOR ELASTICIZING HE...
Publication number
20190185378
Publication date
Jun 20, 2019
REFRATECHNIK HOLDING GMBH
Heinrich Liever
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
SPINEL REFRACTORY GRANULATES WHICH ARE SUITABLE FOR ELASTICIZING HE...
Publication number
20190152860
Publication date
May 23, 2019
REFRATECHNIK HOLDING GMBH
Heinrich Liever
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
REFRACTORY COARSE CERAMIC PRODUCT AND METHOD FOR PRODUCING THE SAME...
Publication number
20160304403
Publication date
Oct 20, 2016
REFRATECHNIK HOLDING GMBH
Hans-Juergen KLISCHAT
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
FIRE-RESISTANT ORDINARY CERAMIC BATCH, AND FIRE-RESISTANT PRODUCT T...
Publication number
20090227442
Publication date
Sep 10, 2009
Hans-Jürgen Klischat
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES