Ferdinand van der Bas

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Schiedam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Acoustic stimulation method with axial driver actuating moment arms...
- Patent number 7,216,738
- Issue date May 15, 2007
- Halliburton Energy Services, Inc.
- James R. Birchak
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic stimulation tool with axial driver actuating moment arms o...
- Patent number 7,213,681
- Issue date May 8, 2007
- Halliburton Energy Services, Inc.
- James R. Birchak
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Vibrating system and method for use in sand control and formation s...
- Publication number 20110094732
- Publication date Apr 28, 2011
- Lyle V. Lehman
- E21 - EARTH DRILLING MINING
Information Patent Application
Acoustic stimulation tool with axial driver actuating moment arms o...
- Publication number 20060180386
- Publication date Aug 17, 2006
- James R. Birchak
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL