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Zhenyu LIU
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Greensburg, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multilayer nitride hard coatings
Patent number
11,453,063
Issue date
Sep 27, 2022
Kennametal Inc.
Vineet Kumar
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Coating and coated cutting tool comprising the coating
Patent number
11,371,150
Issue date
Jun 28, 2022
Kennametal Inc.
Zhenyu Liu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Control and characterization of texture in CVD α-Al2O3 coatings
Patent number
10,865,476
Issue date
Dec 15, 2020
Kennametal Inc.
Chen Chen
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Multilayer structured coatings for cutting tools
Patent number
10,570,521
Issue date
Feb 25, 2020
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Multilayer nitride hard coatings
Patent number
10,570,501
Issue date
Feb 25, 2020
Kennametal Inc.
Vineet Kumar
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Inter-anchored multilayer refractory coatings
Patent number
10,202,686
Issue date
Feb 12, 2019
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
CVD coated cutting insert and method of making the same
Patent number
10,100,405
Issue date
Oct 16, 2018
Kennametal Inc.
Rodrigo A. Cooper
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coated body wherein the coating scheme includes a coating layer of...
Patent number
9,903,018
Issue date
Feb 27, 2018
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hybrid nanocomposite coatings and applications thereof
Patent number
9,890,084
Issue date
Feb 13, 2018
Kennametal Inc.
Zhenyu Liu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low temperature CVD coatings and applications thereof
Patent number
9,764,986
Issue date
Sep 19, 2017
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Multilayer structured coatings for cutting tools
Patent number
9,719,175
Issue date
Aug 1, 2017
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Inter-anchored multilayer refractory coatings
Patent number
9,650,712
Issue date
May 16, 2017
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nanocomposite refractory coatings and applications thereof
Patent number
9,650,714
Issue date
May 16, 2017
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coated body wherein the coating scheme includes a coating layer of...
Patent number
9,371,580
Issue date
Jun 21, 2016
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Multilayer structured coatings for cutting tools
Patent number
9,365,925
Issue date
Jun 14, 2016
Kennametal Inc.
Peter Rudolf Leicht
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coatings for cutting tools
Patent number
9,181,621
Issue date
Nov 10, 2015
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
ALUMINUM OXYNITRIDE COATINGS WITH ENHANCED CRYSTALLINITY
Publication number
20240367237
Publication date
Nov 7, 2024
Kennametal Inc.
Zhenyu LIU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SURFACE COATED CUTTING TOOLS
Publication number
20230085248
Publication date
Mar 16, 2023
Kennametal Inc.
Zhenyu Liu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
QUANTITATIVE TEXTURED POLYCRYSTALLINE COATINGS
Publication number
20220235487
Publication date
Jul 28, 2022
Kennametal Inc.
Zhenyu LIU
C30 - CRYSTAL GROWTH
Information
Patent Application
COATING AND COATED CUTTING TOOL COMPRISING THE COATING
Publication number
20210207273
Publication date
Jul 8, 2021
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MULTILAYER NITRIDE HARD COATINGS
Publication number
20200173012
Publication date
Jun 4, 2020
Kennametal Inc.
Vineet Kumar
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MULTILAYER NITRIDE HARD COATINGS
Publication number
20180347027
Publication date
Dec 6, 2018
Kennametal Inc.
Vineet KUMAR
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CONTROL AND CHARACTERIZATION OF TEXTURE IN CVD alpha-Al2O3 COATINGS
Publication number
20180274091
Publication date
Sep 27, 2018
Kennametal Inc.
Chen Chen
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MULTILAYER STRUCTURED COATINGS FOR CUTTING TOOLS
Publication number
20170356091
Publication date
Dec 14, 2017
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
INTER-ANCHORED MULTILAYER REFRACTORY COATINGS
Publication number
20170226634
Publication date
Aug 10, 2017
Kennametal Inc.
Zhenyu LIU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HYBRID NANOCOMPOSITE COATINGS AND APPLICATIONS THEREOF
Publication number
20170096372
Publication date
Apr 6, 2017
Kennametal Inc.
Zhenyu LIU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CVD COATED CUTTING INSERT AND METHOD OF MAKING THE SAME
Publication number
20160305018
Publication date
Oct 20, 2016
Kennametal Inc.
Rodrigo A. Cooper
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
LOW TEMPERATURE CVD COATINGS AND APPLICATIONS THEREOF
Publication number
20160215387
Publication date
Jul 28, 2016
Kennametal Inc.
Zhenyu LIU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COATED BODY WHEREIN THE COATING SCHEME INCLUDES A COATING LAYER OF...
Publication number
20160194754
Publication date
Jul 7, 2016
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
INTER-ANCHORED MULTILAYER REFRACTORY COATINGS
Publication number
20160160346
Publication date
Jun 9, 2016
Kennametal Inc.
Zhenyu LIU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NANOCOMPOSITE REFRACTORY COATINGS AND APPLICATIONS THEREOF
Publication number
20160160347
Publication date
Jun 9, 2016
Kennametal Inc.
Zhenyu LIU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MULTILAYER STRUCTURED COATINGS FOR CUTTING TOOLS
Publication number
20160090654
Publication date
Mar 31, 2016
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MULTILAYER STRUCTURED COATINGS FOR CUTTING TOOLS
Publication number
20140291036
Publication date
Oct 2, 2014
Kennametal Inc.
Peter Rudolf Leicht
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COATED BODY WHEREIN THE COATING SCHEME INCLUDES A COATING LAYER OF...
Publication number
20140287228
Publication date
Sep 25, 2014
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COATINGS FOR CUTTING TOOLS
Publication number
20140287199
Publication date
Sep 25, 2014
Kennametal Inc.
Zhenyu Liu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...