PD

Ping Duan

BH Baker Hughes Holdings: 18 patents #141 of 3,522Top 5%
BC Baker Hughes, A Ge Company: 7 patents #100 of 1,459Top 7%
BO Baker Hughes Oilfield Operations: 7 patents #36 of 1,057Top 4%
SC Shenzhen Tcl New Technology Co.: 1 patents #44 of 150Top 30%
📍 Cypress, TX: #29 of 1,064 inventorsTop 3%
🗺 Texas: #3,193 of 125,132 inventorsTop 3%
Overall (All Time): #100,539 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 26–34 of 34 patents

Patent #TitleCo-InventorsDate
8739408 Shape memory material packer for subterranean use Steve Rosenblatt 2014-06-03
8722784 Polymer nanocomposite Soma Chakraborty, Gaurav Agrawal, Michael H. Johnson 2014-05-13
8604157 Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereof David P. Gerrard, Jiaxiang Ren 2013-12-10
8318838 Method of forming polymer nanocomposite Gaurav Agrawal, Soma Chakraborty, Michael H. Johnson 2012-11-27
8314177 Polymer nanocomposite Soma Chakraborty, Gaurav Agrawal, Michael H. Johnson 2012-11-20
8048348 Shape memory polyurethane foam for downhole sand control filtration devices Paul McElfresh 2011-11-01
7926565 Shape memory polyurethane foam for downhole sand control filtration devices Paul McElfresh 2011-04-19
7828055 Apparatus and method for controlled deployment of shape-conforming materials Darrin L. Willauer 2010-11-09
7643184 Scanner having a driving device for stable driving movement of an image sensor carriage 2010-01-05