Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268520 | Centrifugal pump with adaptive pump stages | Rafael Adolfo Lastra Melo | 2022-03-08 |
| 11268519 | Centrifugal pump with adaptive pump stages | Rafael Adolfo Lastra Melo | 2022-03-08 |
| 11215032 | Devices and methods to mitigate pressure buildup in an isolated wellbore annulus | Jinjiang Xiao | 2022-01-04 |
| 11091988 | Downhole system and method for selectively producing and unloading from a well | Brian A. Roth | 2021-08-17 |
| 10989025 | Prevention of gas accumulation above ESP intake | Jinjiang Xiao, Rafael Adolfo Lastra | 2021-04-27 |
| 10947813 | Systems and methods for preventing sand accumulation in inverted electric submersible pump | Jinjiang Xiao | 2021-03-16 |
| 10941778 | Motorized pump | Jinjiang Xiao, Rafael Adolfo Lastra Melo | 2021-03-09 |
| 10927643 | Operating a subsurface safety valve using a downhole pump | Brian A. Roth | 2021-02-23 |
| 10844701 | Balancing axial thrust in submersible well pumps | Jinjiang Xiao | 2020-11-24 |
| 10794151 | Well debris handling system | Jinjiang Xiao | 2020-10-06 |
| 10711575 | Well debris handling system | Jinjiang Xiao | 2020-07-14 |
| 10578111 | Wellbore debris handler for electric submersible pumps | Jinjiang Xiao, Randall Alan Shepler | 2020-03-03 |
| 10533558 | Centrifugal pump with adaptive pump stages | Rafael Adolfo Lastra Melo | 2020-01-14 |
| 10378322 | Prevention of gas accumulation above ESP intake with inverted shroud | Jinjiang Xiao, Rafael Adolfo Lastra | 2019-08-13 |
| 10337312 | Electrical submersible pumping system with separator | Jinjiang Xiao | 2019-07-02 |
| 10287853 | Well debris handling system | Jinjiang Xiao | 2019-05-14 |
| 10138885 | Equal-walled gerotor pump for wellbore applications | Rafael Adolfo Lastra Melo, Jinjiang Xiao | 2018-11-27 |