Inventor
DUAN PING
US34 patents
⚠️ This page may combine multiple inventors who share the name “DUAN PING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUAN PING
6 patentsUS8739408B2Jun 3, 2014
Shape memory material packer for subterranean use
DUAN PING5 citations72
US10738560B2Aug 11, 2020
Packers having controlled swelling and methods of manufacturing thereof
DUAN PING3 citations71
US10329407B2Jun 25, 2019
Degradable extrusion resistant compositions and articles of manufacture
DUAN PING1 citations61
US8940841B2Jan 27, 2015
Polyarylene compositions, methods of manufacture, and articles thereof
DUAN PING0 citations51
US8829119B2Sep 9, 2014
Polyarylene compositions for downhole applications, methods of manufacture, and uses thereof
DUAN PING0 citations51
US11261283B2Mar 1, 2022
Polyurethane cementing wiper plugs
DUAN PING0 citations50
BAKER HUGHES OILFIELD OPERATIONS LLC
5 patentsUS10468159B1Nov 5, 2019
Power cable with laminated steel and polymer armor
BAKER HUGHES OILFIELD OPERATIONS LLC7 citations83
US12416225B2Sep 16, 2025
Density-based flow control configuration, method, and system
BAKER HUGHES OILFIELD OPERATIONS LLC0 citations62
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
REN JIAXIANG
4 patentsUS8939222B2Jan 27, 2015
Shaped memory polyphenylene sulfide (PPS) for downhole packer applications
REN JIAXIANG14 citations82
US9120898B2Sep 1, 2015
Method of curing thermoplastic polymer for shape memory material
REN JIAXIANG5 citations81
US9144925B2Sep 29, 2015
Shape memory polyphenylene sulfide manufacturing, process, and composition
REN JIAXIANG6 citations71
US9260568B2Feb 16, 2016
Method of curing thermoplastic polymer for shape memory material
REN JIAXIANG4 citations69
BAKER HUGHES INC
3 patentsUS7926565B2Apr 19, 2011
Shape memory polyurethane foam for downhole sand control filtration devices
BAKER HUGHES INC47 citations97
US7828055B2Nov 9, 2010
Apparatus and method for controlled deployment of shape-conforming materials
BAKER HUGHES INC81 citations97
US8048348B2Nov 1, 2011
Shape memory polyurethane foam for downhole sand control filtration devices
BAKER HUGHES INC23 citations90
AGRAWAL GAURAV
3 patentsUS8980799B2Mar 17, 2015
Polymer foam cell morphology control and use in borehole filtration devices
AGRAWAL GAURAV5 citations73
US9181781B2Nov 10, 2015
Method of making and using a reconfigurable downhole article
AGRAWAL GAURAV2 citations59
US8318838B2Nov 27, 2012
Method of forming polymer nanocomposite
AGRAWAL GAURAV1 citations52