RL

Robert Charles De Long

HS Halliburton Energy Services: 19 patents #325 of 4,711Top 7%
BH Baker Hughes Holdings: 4 patents #774 of 3,522Top 25%
📍 Tulsa, OK: #50 of 2,344 inventorsTop 3%
🗺 Oklahoma: #346 of 12,736 inventorsTop 3%
Overall (All Time): #178,334 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12424844 Current-controlled circuit breaker for electrical submersible pump motor leads Hassan Mansir, Andras Bencze 2025-09-23
12385770 System and method of determining reservoir fluid flow condition and composition downhole Ketankumar Kantilal Sheth, Donn J. Brown, Christopher Michael Jones, Etienne M. Samson, Bin Dai 2025-08-12
12331641 Pulsed-power drilling system with integrated power and communication coiled tubing conveyance Nagaraja K. Pai, Wei Zhang, Lucas Samuel Batista Santos 2025-06-17
12281654 Permanent magnet motor Hassan Mansir, Jeffrey G. Frey, Dezhi Zheng 2025-04-22
12158157 Shielding for a magnetic bearing in an electric submersible pump (ESP) assembly David C. Beck, Ketankumar Kantilal Sheth 2024-12-03
12129747 Hybrid permanent magnet motor Hassan Mansir, Jeffrey G. Frey, Dezhi Zheng 2024-10-29
11916451 Axial flux submersible electric motor Ketankumar Kantilal Sheth, Donn J. Brown, David C. Beck, Trevor Alan Kopecky 2024-02-27
11916450 Axial flux submersible electric motor Ketankumar Kantilal Sheth, Donn J. Brown, David C. Beck, Trevor Alan Kopecky 2024-02-27
11828136 Wax removal in a production line Donn J. Brown, Ketankumar Kantilal Sheth 2023-11-28
11746641 Methods to improve fluid flow of a multi-phase mixture, methods to separate fluids of a multiphase mixture, and multi-phase fluid mixture systems Ketankumar Kantilal Sheth, Donn J. Brown 2023-09-05
11739619 Oil circulation in an electric submersible pump (ESP) electric motor Ketankumar Kantilal Sheth, Donn J. Brown, Dezhi Zheng 2023-08-29
11739617 Shielding for a magnetic bearing in an electric submersible pump (ESP) assembly David C. Beck, Ketankumar Kantilal Sheth 2023-08-29
11512707 Hybrid magnetic thrust bearing in an electric submersible pump (ESP) assembly David C. Beck, Christopher Watson 2022-11-29
11460038 Hybrid magnetic radial bearing in an electric submersible pump (ESP) assembly David C. Beck, Christopher Watson 2022-10-04
11391096 Inductive coupling for electric power transfer to electric submersible motor David C. Beck, Walter Dinkins, Ryan Bridwell Ashbaugh 2022-07-19
11378474 Predict brake horsepower for a pump for viscous applications Ketankumar Kantilal Sheth 2022-07-05
11220904 Fluid flow condition sensing probe Donn J. Brown, Ketankumar Kantilal Sheth 2022-01-11
11162348 Methods to improve fluid flow of a multi-phase mixture, methods to separate fluids of a multi-phase mixture, and multi-phase fluid mixture systems Ketankumar Kantilal Sheth, Donn J. Brown 2021-11-02
11066921 Fluid flow condition sensing probe Donn J. Brown, Ketankumar Kantilal Sheth 2021-07-20
8887802 Torque absorbtion anchor system and method to assemble same Abbas Ghazi-Moradi, Donn J. Brown, John J. Mack 2014-11-18
RE43363 Abrasion resistant pump thrust bearing Ryan P. Semple, Christopher Brunner, Arturo Luis Poretti, Terry W. Shafer 2012-05-08
5957656 Pump mounted thrust bearing 1999-09-28
5779434 Pump mounted thrust bearing 1998-07-14