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Toan-Hieu Giang
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Viernheim, DE
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last 30 patents
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Patent Grant
Electret filter element and method for the manufacture thereof
Patent number
8,871,011
Issue date
Oct 28, 2014
Carl Freudenberg KG
Klaus Veeser
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Patent Grant
Layer for use in a HEPA filter element
Patent number
8,709,139
Issue date
Apr 29, 2014
Carl Freudenberg KG
Klauss Veeser
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
ELECTRET FILTER ELEMENT AND METHOD FOR THE PRODUCTION THEREOF
Publication number
20110168024
Publication date
Jul 14, 2011
Carl Freudenberg KG
Klaus Veeser
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
LAYER FOR USE IN A HEPA FILTER ELEMENT
Publication number
20100101199
Publication date
Apr 29, 2010
Carl Freudenberg KG
Klauss Veeser
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS