Naresh J. Kar

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Westminster, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rock bit
- Patent number 5,485,890
- Issue date Jan 23, 1996
- Smith International, Inc.
- Chris E. Cawthorne
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hard facing for milled tooth rock bits
- Patent number 4,944,774
- Issue date Jul 31, 1990
- Smith International, Inc.
- Madapusi K. Keshavan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cast steel rock bit cutter cones having metallurgically bonded cutt...
- Patent number 4,907,665
- Issue date Mar 13, 1990
- Smith International, Inc.
- Naresh J. Kar
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Rock bit insert
- Patent number 4,869,329
- Issue date Sep 26, 1989
- Smith International, Inc.
- Naresh J. Kar
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Hard facing for milled tooth rock bits
- Patent number 4,836,307
- Issue date Jun 6, 1989
- Smith International, Inc.
- Madapusi K. Keshavan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for laser hardfacing drill bit cones having hard cutter ins...
- Patent number 4,781,770
- Issue date Nov 1, 1988
- Smith International, Inc.
- Naresh J. Kar
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR