Kirk A. Norris

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Sand Springs, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Bearing and lubrication system for earth boring bit
- Patent number 7,237,627
- Issue date Jul 3, 2007
- Smith International, Inc.
- Lance T. Richman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protected lubricant reservoir for sealed earth boring drill bit
- Patent number 6,619,412
- Issue date Sep 16, 2003
- Smith International, Inc.
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protected lubricant reservoir for sealed bearing earth boring drill...
- Patent number 6,296,067
- Issue date Oct 2, 2001
- Smith International, Inc.
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Protected lubricant reservoir with pressure control for sealed bear...
- Patent number 6,206,110
- Issue date Mar 27, 2001
- Smith International, Inc.
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Bearing and lubrication system for earth boring bit
- Publication number 20050077087
- Publication date Apr 14, 2005
- Smith International, Inc.
- Lance T. Richman
- E21 - EARTH DRILLING MINING
Information Patent Application
Protected lubricant reservoir for sealed earth boring drill bit
- Publication number 20010050187
- Publication date Dec 13, 2001
- Robert H. Slaughter
- E21 - EARTH DRILLING MINING