Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670765 | Differential target antenna coupling (DTAC) data corrections | — | 2020-06-02 |
| 10520630 | Differential target antenna coupling (DTAC) data corrections | — | 2019-12-31 |
| RE47622 | High-sensitivity subsurface sensing system | Steven L. Dvorak, Oleg Krichenko | 2019-09-24 |
| 10393909 | Differential target antenna coupling (“DTAC”) data corrections | — | 2019-08-27 |
| 8878519 | Differential target antenna coupling (DTAC) | Steven L. Dvorak | 2014-11-04 |
| 8296086 | Method for measuring absolute magnitudes and absolute phase relationships over a wide bandwidth | Steven L. Dvorak | 2012-10-23 |
| 8155904 | Vector signal measuring system, featuring wide bandwidth, large dynamic range, and high accuracy | Steven L. Dvorak | 2012-04-10 |
| 7994963 | High-sensitivity subsurface sensing system | Steven L. Dvorak, Oleg Krichenko | 2011-08-09 |
| 7089158 | Real-time noise-suppression method and apparatus therefor | Steven L. Dvorak | 2006-08-08 |
| 6636816 | Vector signal analysis method and apparatus therefor | Steven L. Dvorak | 2003-10-21 |
| 6606583 | Real-time error-suppression method and apparatus therefor | Steven L. Dvorak | 2003-08-12 |
| 4642570 | Method and apparatus for complex resistivity measurements with elimination of electromagnetic coupling effects | Donald E. Dunster, Kenneth D. Honeycutt | 1987-02-10 |
| 4613821 | Method and apparatus for obtaining high accuracy simultaneous calibration of signal measuring systems | Richard Nopper | 1986-09-23 |
| 4446434 | Hydrocarbon prospecting method with changing of electrode spacing for the indirect detection of hydrocarbon reservoirs | Dale E. Miller, Dhari S. Bahjat | 1984-05-01 |
| 4295096 | Electrode prospecting method providing calculable electromagnetic coupling for the indirect detection of hydrocarbon reservoirs | Dale E. Miller, Dhari S. Bahjat | 1981-10-13 |