Inventor
DENG GUIJUN
US37 patents
⚠️ This page may combine multiple inventors who share the name “DENG GUIJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES OILFIELD OPERATIONS LLC
13 patentsUS12467338B1Nov 11, 2025
Disappear-on-demand material actuator, method and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations62
US12435586B2Oct 7, 2025
Anchor system and method
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations62
US12416225B2Sep 16, 2025
Density-based flow control configuration, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations62
US12497860B1Dec 16, 2025
Inflow control system for a borehole, and method
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations61
US12410680B2Sep 9, 2025
Fluid density valve, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations61
US12276173B2Apr 15, 2025
Seal tool with temperature control material, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations61
US12258837B2Mar 25, 2025
Borehole sealing with temperature control, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations61
US12123276B2Oct 22, 2024
Borehole sealing with temperature control, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations61
US12326071B2Jun 10, 2025
Inflow control device, method and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations59
US12410675B2Sep 9, 2025
Seal assembly, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations58
US12460493B2Nov 4, 2025
Seal energization assembly, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations56
US12398620B2Aug 26, 2025
Density based inflow control device, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations54
US12560058B1Feb 24, 2026
Autonomous inflow control systems and methods
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations51
DENG GUIJUN
9 patentsUS11408253B1Aug 9, 2022
Yieldable landing feature
DENG GUIJUN4 citations67
US10865617B2Dec 15, 2020
One-way energy retention device, method and system
DENG GUIJUN1 citations62
US11142978B2Oct 12, 2021
Packer assembly including an interlock feature
DENG GUIJUN0 citations61
US10907437B2Feb 2, 2021
Multi-layer backup ring
DENG GUIJUN1 citations61
US11512554B2Nov 29, 2022
Segmented backup ring, system and method
DENG GUIJUN0 citations60
US10907438B2Feb 2, 2021
Multi-layer backup ring
DENG GUIJUN0 citations60
US10677014B2Jun 9, 2020
Multi-layer backup ring including interlock members
DENG GUIJUN1 citations60
US10526864B2Jan 7, 2020
Seal backup, seal system and wellbore system
DENG GUIJUN1 citations56
US11713642B2Aug 1, 2023
Element backup
DENG GUIJUN0 citations46
BAKER HUGHES A GE CO LLC
5 patentsUS10704355B2Jul 7, 2020
Slotted anti-extrusion ring assembly
BAKER HUGHES A GE CO LLC3 citations65
US10329870B2Jun 25, 2019
Sealing element backup ring with integrated tab to close extrusion path along a mandrel
BAKER HUGHES A GE CO LLC1 citations62
US10287848B2May 14, 2019
Structurally supported seal element assembly
BAKER HUGHES A GE CO LLC0 citations52
US10822912B2Nov 3, 2020
Multi-layer packer backup ring with closed extrusion gaps
BAKER HUGHES A GE CO LLC0 citations48
US10689942B2Jun 23, 2020
Multi-layer packer backup ring with closed extrusion gaps
BAKER HUGHES A GE CO LLC0 citations48
ZHAO LEI
4 patentsUS9840887B2Dec 12, 2017
Wear-resistant and self-lubricant bore receptacle packoff tool
ZHAO LEI2 citations73
US9714709B2Jul 25, 2017
Functionally graded articles and methods of manufacture
ZHAO LEI3 citations73
US11787991B1Oct 17, 2023
Disintegrable rubber seal, method of manufacture, and application thereof
ZHAO LEI1 citations62
US10883332B2Jan 5, 2021
Electroactive polymer-based downhole seal
ZHAO LEI0 citations62