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Danie DeWet
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Belleville, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Methods of making metal matrix composite and alloy articles
Patent number
11,247,268
Issue date
Feb 15, 2022
Kennametal Inc.
Qingjun Zheng
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods of making metal matrix composite and alloy articles
Patent number
10,562,101
Issue date
Feb 18, 2020
Kennametal Inc.
Qingjun Zheng
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cladded articles and methods of making the same
Patent number
10,272,497
Issue date
Apr 30, 2019
Kennametal Inc.
Qingjun Zheng
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Methods of making metal matrix composite and alloy articles
Patent number
9,862,029
Issue date
Jan 9, 2018
Kennametal Inc.
Qingjun Zheng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Spallation-resistant multilayer thermal spray metal coatings
Patent number
9,556,506
Issue date
Jan 31, 2017
Kennametal Inc.
David A. Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cladded articles and methods of making the same
Patent number
9,346,101
Issue date
May 24, 2016
Kennametal Inc.
Qingjun Zheng
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Porous coating for surgical orthopedic implants
Patent number
9,339,585
Issue date
May 17, 2016
Kennametal Inc.
Matthew Yao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Surgical orthopedic implants made from wear-resistant cobalt—chromi...
Patent number
9,078,753
Issue date
Jul 14, 2015
Kennametal Inc.
Matthew Yao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Wear resistant inner coating for pipes and pipe fittings
Patent number
8,962,154
Issue date
Feb 24, 2015
Kennametal Inc.
Matthew Yao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Dilution control in hardfacing severe service components
Patent number
8,828,312
Issue date
Sep 9, 2014
Kennametal Inc.
Matthew Yao
B32 - LAYERED PRODUCTS
Information
Patent Grant
Spallation-resistant multilayer thermal spray metal coatings
Patent number
8,609,196
Issue date
Dec 17, 2013
Kennametal Inc.
David A. Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
IMPARTING HIGH-TEMPERATURE WEAR RESISTANCE TO TURBINE BLADE Z-NOTCHES
Publication number
20160245099
Publication date
Aug 25, 2016
Kennametal Inc.
Joel T. Dawson
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
CLADDED ARTICLES AND METHODS OF MAKING THE SAME
Publication number
20160193660
Publication date
Jul 7, 2016
Kennametal Inc.
Qingjun Zheng
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
POROUS COATING FOR SURGICAL ORTHOPEDIC IMPLANTS
Publication number
20150283295
Publication date
Oct 8, 2015
Kennametal Inc.
Matthew Yao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHODS OF MAKING METAL MATRIX COMPOSITE AND ALLOY ARTICLES
Publication number
20140271318
Publication date
Sep 18, 2014
Kennametal Inc.
Qingjun Zheng
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CLADDED ARTICLES AND METHODS OF MAKING THE SAME
Publication number
20140271319
Publication date
Sep 18, 2014
Kennametal Inc.
Qingjun Zheng
B32 - LAYERED PRODUCTS
Information
Patent Application
SPALLATION-RESISTANT MULTILAYER THERMAL SPRAY METAL COATINGS
Publication number
20140072821
Publication date
Mar 13, 2014
Kennametal Inc.
David A. Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SURGICAL ORTHOPEDIC IMPLANTS MADE FROM WEAR-RESISTANT COBALT-CHROMI...
Publication number
20130297037
Publication date
Nov 7, 2013
DELORO STELLITE HOLDINGS CORPORATION
Matthew Yao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DILUTION CONTROL IN HARDFACING SEVERE SERVICE COMPONENTS
Publication number
20130149552
Publication date
Jun 13, 2013
DELORO STELLITE HOLDINGS CORPORATION
Matthew Yao
B32 - LAYERED PRODUCTS
Information
Patent Application
WEAR RESISTANT INNER COATING FOR PIPES AND PIPE FITTINGS
Publication number
20120318399
Publication date
Dec 20, 2012
DELORO STELLITE HOLDINGS CORPORATION
Matthew Yao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SPALLATION-RESISTANT MULTILAYER THERMAL SPRAY METAL COATINGS
Publication number
20100316883
Publication date
Dec 16, 2010
DELORO STELLITE HOLDINGS CORPORATION
David A. Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...