Granted Patent
Utility
US 6,568,271 · App. 09/850,962
Guided acoustic wave sensor for pipeline build-up monitoring and characterization
Inventors:
Vimal V. Shah, James R. Birchak, Wei Han, Bruce H. Storm, Jr., Rajnikant M. Amin, Bayram Kalpakci, Fouad Fleyfel
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: May 8, 2001
Inventors
Vimal V. Shah
James R. Birchak
Wei Han
Bruce H. Storm, Jr.
Rajnikant M. Amin
Bayram Kalpakci
Fouad Fleyfel
Assignee (at issue)
Halliburton Energy Services, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.