Daniel W Brietzke

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Underreamer for increasing a bore diameter
- Patent number 9,915,100
- Issue date Mar 13, 2018
- Smith International, Inc.
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underreamer for increasing a bore diameter
- Patent number 9,915,101
- Issue date Mar 13, 2018
- Smith International, Inc.
- Manoj D Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Selective deployment of underreamers and stabilizers
- Patent number 9,428,962
- Issue date Aug 30, 2016
- Smith International, Inc.
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit and cutting inserts for hard/abrasive formations
- Patent number 7,690,442
- Issue date Apr 6, 2010
- Smith International, Inc.
- Gary Portwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for evaluating cutting arrangements for drill bits and thei...
- Patent number 7,292,967
- Issue date Nov 6, 2007
- Smith International, Inc.
- Scott D. McDonough
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for evaluating cutting arrangements for drill bits and thei...
- Patent number 7,234,549
- Issue date Jun 26, 2007
- Smith International Inc.
- Scott D. McDonough
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
UNDERREAMER FOR INCREASING A BORE DIAMETER
- Publication number 20150184462
- Publication date Jul 2, 2015
- Smith International, Inc.
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Application
Underreamer for Increasing a Bore Diameter
- Publication number 20140182940
- Publication date Jul 3, 2014
- Smith International, Inc.
- Manoj D Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Application
SELECTIVE DEPLOYMENT OF UNDERREAMERS AND STABILIZERS
- Publication number 20140102797
- Publication date Apr 17, 2014
- Smith International, Inc.
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit and Cutting Inserts For Hard/Abrasive Formations
- Publication number 20060260846
- Publication date Nov 23, 2006
- Smith International, Inc.
- Gary Portwood
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods for evaluating cutting arrangements for drill bits and thei...
- Publication number 20040251053
- Publication date Dec 16, 2004
- Scott D. McDonough
- E21 - EARTH DRILLING MINING
Information Patent Application
Methods for evaluating cutting arrangements for drill bits and thei...
- Publication number 20040243367
- Publication date Dec 2, 2004
- Scott D. McDonough
- E21 - EARTH DRILLING MINING