Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6310426 | High resolution focused ultrasonic transducer, for LWD method of making and using same | Alvin B. Miller, James W. Stroud | 2001-10-30 |
| 6137747 | Single point contact acoustic transmitter | Vimal V. Shah, John W. Minear, Wallace R. Gardner, Donald G. Kyle, John Dennis +3 more | 2000-10-24 |
| 6131694 | Vertical seismic profiling in a drilling tool | Carl A. Robbins, Eugene J. Linyaev, Robert L. Malloy, David J. Young, John W. Minear +1 more | 2000-10-17 |
| 6125079 | System and method for providing dual distance transducers to image behind an acoustically reflective layer | Batakrishna Mandal, James Masino, John W. Minear, Thomas Ritter | 2000-09-26 |
| 6102152 | Dipole/monopole acoustic transmitter, methods for making and using same in down hole tools | James Masino, Batakrishna Mandal, John W. Minear, Thomas Ritter | 2000-08-15 |
| 6026913 | Acoustic method of connecting boreholes for multi-lateral completion | Batakrishna Mandal, John W. Minear | 2000-02-22 |
| 6021093 | Transducer configuration having a multiple viewing position feature | Batakrishna Mandal, James Masino, John W. Minear, Thomas Ritter | 2000-02-01 |
| 6002639 | Sensor configuration for nulling reverberations to image behind reflective layers | Batakrishna Mandal, James Masino, John W. Minear, Thomas Ritter | 1999-12-14 |
| 5995447 | System and method for processing acoustic signals to image behind reflective layers | Batakrishna Mandal, James Masino, John W. Minear, Thomas Ritter | 1999-11-30 |
| 5924499 | Acoustic data link and formation property sensor for downhole MWD system | Clarence Gerald Gardner, Kwang Yoo | 1999-07-20 |
| 5841734 | Rotating acoustic transducer head for cement bond evaluation tool | Thomas Ritter, James W. Stroud, Mack H. Brown, James Masino, John W. Minear | 1998-11-24 |
| 5763773 | Rotating multi-parameter bond tool | James W. Stroud, Batakrishna Mandal, John W. Minear | 1998-06-09 |
| 5741962 | Apparatus and method for analyzing a retrieving formation fluid utilizing acoustic measurements | Mark A. Proett | 1998-04-21 |
| 5726951 | Standoff compensation for acoustic logging while drilling systems | Eugene J. Linyaev, John W. Minear, Carl A. Robbins, Bruce Mackie | 1998-03-10 |
| 5678643 | Acoustic logging while drilling tool to determine bed boundaries | Carl A. Robbins, A. J. Mallett, John W. Minear, Batakrishna Mandal, Eugene J. Linyaev | 1997-10-21 |
| 5644186 | Acoustic Transducer for LWD tool | Eugene J. Linyaev, Carl A. Robbins, Dennis Roessler | 1997-07-01 |
| 5510582 | Acoustic attenuator, well logging apparatus and method of well logging | Alexander Lifson, Eugene J. Linyaev, John W. Minear, Dennis Roessler, David J. Young | 1996-04-23 |
| 5087900 | Transmission line network for multiple capacitive loads | Wai-Leung Hon, Michael Ruhovets | 1992-02-11 |
| 5086271 | Driver system and distributed transmission line network for driving devices under test | Harry K. Haill, Wai-Leung Hon | 1992-02-04 |
| 4805156 | System for acoustically determining the quality of the cement bond in a cased borehole | George Attali, Robert A. Lester | 1989-02-14 |
| 4665511 | System for acoustic caliper measurements | Paul F. Rodney | 1987-05-12 |
| 4625173 | System for monitoring formation spontaneous potential and polarization constant while drilling | Macmillan M. Wisler, Richard A. Meador | 1986-11-25 |
| 4571693 | Acoustic device for measuring fluid properties | Edward A. Lygas | 1986-02-18 |
| 4532812 | Parametric acoustic flow meter | — | 1985-08-06 |