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Rodrigue N. Yappi
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Fussen, DE
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last 30 patents
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Patent Grant
Evaporator body with titanium hydride coating, method for the produ...
Patent number
11,846,014
Issue date
Dec 19, 2023
Kennametal Inc.
Rodrigue Ngoumeni Yappi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Evaporator body with titanium hydride coating, method for the produ...
Patent number
10,689,750
Issue date
Jun 23, 2020
Kennametal Inc.
Rudolf Karl Grau
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Sintered boron nitride body and method for producing a sintered bor...
Patent number
9,862,163
Issue date
Jan 9, 2018
Kennametal Inc.
Rudolf K. Grau
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
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Patent Application
Evaporator body with titanium hydride coating, method for the produ...
Publication number
20200240001
Publication date
Jul 30, 2020
Kennametal Inc.
Rodrigue Ngoumeni Yappi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
EVAPORATOR BODY WITH TITANIUM HYDRIDE COATING, METHOD FOR THE PRODU...
Publication number
20170022600
Publication date
Jan 26, 2017
Kennametal Inc.
Rudolf Karl GRAU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SINTERED BORON NITRIDE BODY AND METHOD FOR PRODUCING A SINTERED BOR...
Publication number
20150147520
Publication date
May 28, 2015
Kennametal Inc.
Rudolf K. Grau
B32 - LAYERED PRODUCTS