Issued Patents All Time
Showing 26–50 of 179 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10570733 | Synthetic chromatogram from physical properties | Hermanus J. Nieuwoudt | 2020-02-25 |
| 10502849 | Pseudogas neutron detector | — | 2019-12-10 |
| 10326032 | Graphene tunneling photodetectors for high-temperature downhole use | — | 2019-06-18 |
| 10323512 | System and method for downhole inorganic scale monitoring and intervention in a production well | Aurelie Duchene, Alessandro De Barros, Hartley H. Downs, Eduardo Motta, Potiani Maciel +4 more | 2019-06-18 |
| 10323513 | System and method for downhole organic scale monitoring and intervention in a production well | Geiza Esperandio de Oliveira, Hartley H. Downs, Aurelie Duchene, Eduardo Motta, Potiani Maciel +4 more | 2019-06-18 |
| 10288463 | Multiphase thermal flowmeter for stratified flow | — | 2019-05-14 |
| 10253595 | Evaporative cooling using a refrigerant, a selectively permeable membrane, and a drawing fluid | — | 2019-04-09 |
| 10215741 | Diffusion chromatography fluid analysis | — | 2019-02-26 |
| 10185052 | Constrained backscatter gamma ray casing and cement inspection tool | Feyzi Inanc, Douglas J. Patterson, Elizaveta Vladimirovna Onegova, Otto N. Fanini | 2019-01-22 |
| 10006283 | Apparatuses and methods for at-bit resistivity measurements for an earth-boring drilling tool | Anthony A. DiGiovanni, Danny E. Scott, Daniel T. Georgi, David A. Curry, Rashid W. Khokhar | 2018-06-26 |
| 9995088 | Cutting elements comprising sensors, earth-boring tools comprising such cutting elements, and methods of forming wellbores with such tools | — | 2018-06-12 |
| 9963936 | Downhole closed loop drilling system with depth measurement | Thomas Kruspe, Robert A. Estes, Francis Chad Hanak | 2018-05-08 |
| 9952350 | Oscillating path length spectrometer | — | 2018-04-24 |
| 9931714 | Methods and systems for removing interstitial material from superabrasive materials of cutting elements using energy beams | Anthony A. DiGiovanni | 2018-04-03 |
| 9903977 | Radiation induced conductivity of oil based mud around pads of electrical imaging tools | — | 2018-02-27 |
| 9885591 | Low etendue light source for fiber optic sensors in high temperature environments | — | 2018-02-06 |
| 9850750 | Sonoluminescence spectroscopy for real-time downhole fluid analysis | — | 2017-12-26 |
| 9816364 | Well stimulation methods and proppant | Thomas Kruspe | 2017-11-14 |
| 9733182 | Apparatus and method for determining a fluid property downhole using a bulk reading refractometer | Thomas Kruspe, Sebastian Jung | 2017-08-15 |
| 9720122 | Reflection-only sensor at multiple angles for near real-time determination of acoustic properties of a fluid downhole | — | 2017-08-01 |
| 9702855 | Acoustic interface device | Wei Han | 2017-07-11 |
| 9637996 | Downhole uses of nanospring filled elastomers | — | 2017-05-02 |
| 9594057 | Reflection-only sensor for fluid acoustic impedance, sound speed, and density | — | 2017-03-14 |
| 9593572 | Apparatus and methods for leak detection in wellbores using nonradioactive tracers | Darin H. Duphorne | 2017-03-14 |
| 9506338 | Downhole cooling with electrocaloric effect | — | 2016-11-29 |