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Ramamurthy K. Viswanadham
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Spring, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drill bit, a method for making a body of a drill bit, a metal matri...
Patent number
10,760,343
Issue date
Sep 1, 2020
Oerlikon Metco (US) Inc.
Zhongming Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Asymmetric graded composites for improved drill bits
Patent number
8,016,056
Issue date
Sep 13, 2011
Sandvik Intellectual Property AB
Ramamurthy K. Viswanadham
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Graded hardfacing for drill bits
Patent number
7,552,783
Issue date
Jun 30, 2009
Smith International, Inc.
Ramamurthy K. Viswanadham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of finishing cutting elements
Patent number
7,549,912
Issue date
Jun 23, 2009
Smith International, Inc.
Dah-Ben Liang
B24 - GRINDING POLISHING
Information
Patent Grant
Shaped inserts with increased retention force
Patent number
7,416,035
Issue date
Aug 26, 2008
Smith International, Inc.
Ramamurthy Viswanadham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Barrier coated granules for improved hardfacing material
Patent number
7,303,030
Issue date
Dec 4, 2007
Smith International, Inc.
Greg Lockwood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
SUPERHARD MATERIAL-CONTAINING OBJECTS AND METHODS OF PRODUCTION THE...
Publication number
20230013537
Publication date
Jan 19, 2023
INTERNATIONAL DIAMOND SERVICES, INC.
RAMAMURTHY K VISWANADHAM
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
A DRILL BIT, A METHOD FOR MAKING A BODY OF A DRILL BIT, A METAL MAT...
Publication number
20190071931
Publication date
Mar 7, 2019
Diapac LLC
Zhongming WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method of finishing cutting elements
Publication number
20070032173
Publication date
Feb 8, 2007
Smith International, Inc.
Dah-Ben Liang
B24 - GRINDING POLISHING
Information
Patent Application
Graded hardfacing for drill bits
Publication number
20070000698
Publication date
Jan 4, 2007
Smith International, Inc.
Ramamurthy K. Viswanadham
E21 - EARTH DRILLING MINING
Information
Patent Application
Asymmetric graded composites for improved drill bits
Publication number
20070000699
Publication date
Jan 4, 2007
Smith International, Inc.
Ramamurthy K. Viswanadham
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Barrier Coated Granules for Imporve Hardfacing Material
Publication number
20050109545
Publication date
May 26, 2005
Greg Lockwood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Apparatus and method for selective laser-applied cladding
Publication number
20050077090
Publication date
Apr 14, 2005
Ramamurthy Viswanadham
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Shaped inserts with increased retention force
Publication number
20050067196
Publication date
Mar 31, 2005
Ramamurthy Viswanadham
E21 - EARTH DRILLING MINING