Robert Birchak

Follow

Person

Spring, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatuses for generating acoustic waves
- Patent number 7,591,343
- Issue date Sep 22, 2009
- Halliburton Energy Services, Inc.
- Wei Han
- G01 - MEASURING TESTING
Information Patent Grant
Electromagnetic flux leakage inspection system for ferromagnetic tubes
- Patent number 4,649,343
- Issue date Mar 10, 1987
- The Babcock & Wilcox Company
- Robert J. Birchak
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Generating acoustic waves
- Publication number 20070064539
- Publication date Mar 22, 2007
- Wei Han
- G01 - MEASURING TESTING
Information Patent Application
Apparatuses for generating acoustic waves
- Publication number 20070045038
- Publication date Mar 1, 2007
- Wei Han
- G01 - MEASURING TESTING