Zemanek, Jr.; Joseph

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zemanek, Jr.; Joseph.The latest application filed is for "method and apparatus for generating low frequency acoustic energy waves".

Company Profile

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Zemanek, Jr.; Joseph - Duncanville TX
Zemanek, Jr.; Joseph - Dallas TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for generating low frequency acoustic energy waves Grant 4,674,067 - Zemanek, Jr. June 16, 1	1987-06-16
Shear wave acoustic logging system Grant 4,649,525 - Angona , et al. March 10, 1	1987-03-10
Method and system for producing a PPI display Grant 4,542,488 - Clishem , et al. September 17, 1	1985-09-17
Acoustic well logging device for detecting compressional and shear waves Grant 4,516,228 - Zemanek, Jr. May 7, 1	1985-05-07
Method of locating potential low water cut hydrocarbon reservoirs in high water saturation sands Grant 4,506,548 - Zemanek, Jr. March 26, 1	1985-03-26
Determination of formation permeability from a long-spaced acoustic log Grant 4,432,077 - Alhilali , et al. February 14, 1	1984-02-14
Method of locating potential low water cut hydrocarbon reservoirs Grant 4,413,512 - Zemanek, Jr. November 8, 1	1983-11-08
Well logging system for measuring remanent magnetic fields in the earth Grant 4,071,815 - Zemanek, Jr. January 31, 1	1978-01-31
Electromagnetic well logging system having receiver and nulling coils mounted on separate magnetic cores Grant 3,882,375 - Zemanek, Jr. May 6, 1	1975-05-06

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