Assignee
DENG GUIJUN
US9 patents
Top patents by PatentIndex Score
US11408253B1Aug 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