Issued Patents All Time
Showing 276–300 of 307 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042579 | Method and apparatus for producing tar sand deposits containing conductive layers | Carlos A. Glandt, John W. Gardner | 1991-08-27 |
| 4987368 | Nuclear magnetism logging tool using high-temperature superconducting squid detectors | — | 1991-01-22 |
| 4984594 | Vacuum method for removing soil contamination utilizing surface electrical heating | George Leo Stegemeier | 1991-01-15 |
| RE33505 | Scan room for magnetic resonance imager | Jefferson H. Taylor | 1990-12-25 |
| 4926941 | Method of producing tar sand deposits containing conductive layers | Carlos A. Glandt, Michael Prats | 1990-05-22 |
| 4893504 | Method for determining capillary pressure and relative permeability by imaging | Daniel J. O'Meara, Jr. | 1990-01-16 |
| 4886118 | Conductively heating a subterranean oil shale to create permeability and subsequently produce oil | Peter Van Meurs, Eric Pierre de Rouffignac, Michael F. Lucid | 1989-12-12 |
| 4884455 | Method for analysis of failure of material employing imaging | Scott Lee Wellington, Jannetje De Waal | 1989-12-05 |
| 4866983 | Analytical methods and apparatus for measuring the oil content of sponge core | Rocco DiFoggio, Pierre N. Tutunjian | 1989-09-19 |
| 4856341 | Apparatus for analysis of failure of material | Scott Lee Wellington, Jannetje De Waal | 1989-08-15 |
| 4827761 | Sample holder | Scott Lee Wellington | 1989-05-09 |
| 4769602 | Determining multiphase saturations by NMR imaging of multiple nuclides | Pierre N. Tutunjian | 1988-09-06 |
| 4769606 | Induced polarization method and apparatus for distinguishing dispersed and laminated clay in earth formations | Monroe H. Waxman | 1988-09-06 |
| 4743854 | In-situ induced polarization method for determining formation permeability | Monroe H. Waxman | 1988-05-10 |
| 4730162 | Time-domain induced polarization logging method and apparatus with gated amplification level | Monroe H. Waxman | 1988-03-08 |
| 4728892 | NMR imaging of materials | William P. Rothwell | 1988-03-01 |
| 4719423 | NMR imaging of materials for transport properties | William P. Rothwell | 1988-01-12 |
| 4671102 | Method and apparatus for determining distribution of fluids | Daniel J. O'Meara, Jr., John Anton Rohan, SR. | 1987-06-09 |
| 4663711 | Method of analyzing fluid saturation using computerized axial tomography | Scott Lee Wellington | 1987-05-05 |
| 4658215 | Method for induced polarization logging | Monroe H. Waxman | 1987-04-14 |
| 4651099 | Scan room for magnetic resonance imager | Jefferson H. Taylor | 1987-03-17 |
| 4644283 | In-situ method for determining pore size distribution, capillary pressure and permeability | Monroe H. Waxman | 1987-02-17 |
| 4640352 | In-situ steam drive oil recovery process | Peter Vanmeurs, Monroe H. Waxman | 1987-02-03 |
| 4635197 | High resolution tomographic imaging method | Scott Lee Wellington | 1987-01-06 |
| 4613754 | Tomographic calibration apparatus | Scott Lee Wellington | 1986-09-23 |