Inventor · Caicun, CN

Kai He

24Patents
4h-index
35Co-inventors
63Inventor score

Filing activity: Aug 17, 1994 → Sep 2, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9725986B2 Multi-functional surfactant complexes for use in subterranean formations Chemistry; Metallurgy 20 Active
US9969928B2 Surfactant formulations and associated methods for reduced and delayed adsorption of the surfactant Fixed Constructions 6 Active
US9488586B2 Determining treatment fluid composition using a mini-reservoir device Physics 6 Active
US10442986B2 Determining residual friction reducer concentrations for subterranean treatment fluids Chemistry; Metallurgy 4 Active
US5534951A Optical assembly for television front screen Electricity 4 Expired
US10640698B2 Ethoxylated amines for use in subterranean formations Chemistry; Metallurgy 3 Active
US11434690B2 Lift cord spool for a motorized treatment Fixed Constructions 2 Active
US10298236B2 On-chip aging sensor and counterfeit integrated circuit detection method Physics 2 Active
US10590333B2 Cationic multiple quaternary ammonium-based surfactants for enhancing production in subterranean formations Chemistry; Metallurgy 1 Active
US12024944B2 Lift cord spool for a motorized treatment Fixed Constructions 1 Active
US11710242B2 Methods and systems for image segmentation Physics 0 Active
US10066157B2 Injecting polyelectrolyte based sacrificial agents for use in unconventional formations Fixed Constructions 0 Active
US11132342B2 Periodicity detection and period length estimation in time series Physics 0 Active
US11041114B2 Methods and treatment fluids for microfracture creation and microproppant delivery in subterranean formations Chemistry; Metallurgy 0 Active
US9982185B2 Methods and systems for preparing surfactant polyelectrolyte complexes for use in subterranean formations Chemistry; Metallurgy 0 Active
US11234555B2 Smart cooking device and method Human Necessities 0 Active
US11999900B2 Surface-modified nanoparticle compositions and related applications in subterranean hydrocarbon recovery Fixed Constructions 0 Active
US9970265B2 Multi-functional surfactant complexes for use in subterranean formations Chemistry; Metallurgy 0 Active
US11124699B2 Self propping surfactant for well stimulation Chemistry; Metallurgy 0 Active
US11802235B2 Self propping surfactant for well stimulation Chemistry; Metallurgy 0 Active
US10949977B2 Methods and systems for image segmentation Physics 0 Active
US11421149B2 Alkyl polyglycoside surfactants for use in subterranean formations Chemistry; Metallurgy 0 Active
US10995262B2 Ethoxylated amines for use in subterranean formations Chemistry; Metallurgy 0 Active
US11366021B2 Temperature detecting device, temperature detecting system and temperature detecting method Physics 0 Active

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