Timothy Neff

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Brush and brush housing arrangement to mitigate hydrodynamic brush...
- Patent number 8,624,464
- Issue date Jan 7, 2014
- Schlumberger Technology Corporation
- Anthony R. Dopf
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fluid erosion protection washer for rotating shaft in MWD tool
- Patent number 7,839,719
- Issue date Nov 23, 2010
- Schlumberger Technology Corporation
- Anthony R. Dopf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Brush and brush housing arrangement to mitigate hydrodynamic brush...
- Patent number 7,821,178
- Issue date Oct 26, 2010
- Schlumberger Technology Corporation
- Paul L. Camwell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluid erosion protection washer for rotating shaft in MWD tool
- Patent number 7,532,540
- Issue date May 12, 2009
- Extreme Engineering Ltd.
- Anthony R. Dopf
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Brush And Brush Housing Arrangement To Mitigate Hydrodynamic Brush...
- Publication number 20110227447
- Publication date Sep 22, 2011
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Anthony R. Dopf
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLUID EROSION PROTECTION WASHER FOR ROTATING SHAFT IN MWD TOOL
- Publication number 20090224193
- Publication date Sep 10, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Anthony R. Dopf
- E21 - EARTH DRILLING MINING
Information Patent Application
Fluid erosion protection washer for rotating shaft in MWD tool
- Publication number 20070045583
- Publication date Mar 1, 2007
- Anthony R. Dopf
- E21 - EARTH DRILLING MINING
Information Patent Application
Brush and brush housing arrangement to mitigate hydrodynamic brush...
- Publication number 20060261701
- Publication date Nov 23, 2006
- Paul L. Camwell
- H01 - BASIC ELECTRIC ELEMENTS