Inventor · Cypress, TX, US

Ping Duan

34Patents
7h-index
32Co-inventors
65Inventor score

Filing activity: Jul 27, 2005 → Aug 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7828055B2 Apparatus and method for controlled deployment of shape-conforming materials Fixed Constructions 76 Active
US7926565B2 Shape memory polyurethane foam for downhole sand control filtration devices Fixed Constructions 29 Active
US8048348B2 Shape memory polyurethane foam for downhole sand control filtration devices Fixed Constructions 19 Active
US8939222B2 Shaped memory polyphenylene sulfide (PPS) for downhole packer applications Fixed Constructions 13 Active
US8604157B2 Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereof Chemistry; Metallurgy 12 Active
US8722784B2 Polymer nanocomposite Chemistry; Metallurgy 8 Active
US10468159B1 Power cable with laminated steel and polymer armor Electricity 7 Active
US9144925B2 Shape memory polyphenylene sulfide manufacturing, process, and composition Performing Operations; Transporting 6 Active
US8739408B2 Shape memory material packer for subterranean use Emerging Cross-Sectional Technologies 5 Active
US9120898B2 Method of curing thermoplastic polymer for shape memory material Chemistry; Metallurgy 5 Active
US9260568B2 Method of curing thermoplastic polymer for shape memory material Chemistry; Metallurgy 4 Active
US8980799B2 Polymer foam cell morphology control and use in borehole filtration devices Chemistry; Metallurgy 3 Active
US10738560B2 Packers having controlled swelling and methods of manufacturing thereof Fixed Constructions 2 Active
US9181781B2 Method of making and using a reconfigurable downhole article Fixed Constructions 2 Active
US7643184B2 Scanner having a driving device for stable driving movement of an image sensor carriage Electricity 2 Active
US10227471B2 Degradable extrusion resistant compositions and articles of manufacture Fixed Constructions 1 Active
US10329407B2 Degradable extrusion resistant compositions and articles of manufacture Fixed Constructions 1 Active
US8314177B2 Polymer nanocomposite Chemistry; Metallurgy 1 Active
US9051819B2 Method and apparatus for selectively controlling fluid flow Mechanical Engineering; Lighting; Heating 1 Active
US9777550B2 Degradable casing seal construction for downhole applications Fixed Constructions 1 Active
US8318838B2 Method of forming polymer nanocomposite Chemistry; Metallurgy 1 Active
US10669823B2 System and method for downhole ignition detection Physics 0 Active
US11913309B2 Filtration media including porous polymeric material and degradable shape memory material Fixed Constructions 0 Active
US10287848B2 Structurally supported seal element assembly Fixed Constructions 0 Active
US12123276B2 Borehole sealing with temperature control, method, and system Fixed Constructions 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.