Inventor
Hui Zhou
Inventor
The Woodlands, TX, US
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere27%
E21BEarth or rock drilling11%
C07CAcyclic or carbocyclic compounds10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08LCompositions of macromolecular compounds4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
B01DSeparation3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,793,761Metalate-based additives for use in subterranean formations202010,774,260Polyvinyl alcohol-based shale inhibitor202010,752,822Crosslinked polymer compositions and methods for use in subterranean formation operations202010,717,720Modified compound of andrographolide202010,717,912Drilling fluid composition including viscosifier and method of using the same202010,676,660Crosslinked N-vinylpyrrolidone polymers for use in subterranean formations and wells202010,640,693Star macromolecules for wellbore applications202010,513,578Etheramines and their use as curatives or intermediates for polymer synthesis201910,510,456Multi-leaf collimator and driving system201910,508,229Crosslinked polymers including sulfonic acid groups or salts or esters thereof as viscosifiers and fluid loss additives for subterranean treatment201910,501,675Fluid loss additive for water based drilling fluids with improved thermal stability201910,414,963High-temperature crosslinked polymer for use in a well201910,407,526Crosslinked polymer compositions with two crosslinkers for use in subterranean formation operations201910,336,850Methods of use for crosslinked polymer compositions in subterranean formation operations201910,273,397Synthetic crosslinked polymer additive for use in subterranean treatment fluids201910,179,872Fluid loss additive for water based drilling fluids with improved thermal stability201910,113,098Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations201810,072,199Metalate-based additives for use in subterranean formations201810,059,649Method for producing ethanol and coproducing methanol201810,040,739Method for preparing double-sealed-end glycol ether201810,017,680Crosslinked N-vinylpyrrolidone polymers for use in subterranean formations and wells201810,000,683Drilling fluids with crosslinked sulfonate-containing polymers dispersed in high density brines20189,989,313Smelting ladle and method for improving use efficiency thereof20189,944,588Method for preparing methyl formate20189,938,227Method for preparing methyl formate and coproducing dimethyl ether20189,822,215'Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis'20179,708,240'Method for preparing polyoxymethylene dimethyl ether carbonyl compound and methyl methoxyacetate'20179,701,882'Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations'20179,545,603'Composite membranes'20179,440,226'Method for preparing methyl acetate'20169,431,853'Uninterruptible power system with backfeed detection and method of operating the same'20169,410,069'Ethylene viscosifier polymer for treatment of a subterranean formation'20169,234,115'Water-based amine curing agents for curable resin systems'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (19)· patent assignee history
2016–2017Patents assigned to DALIAN INST CHEMICAL PHYSICS CAS (2)· patent assignee history
2016–2017Patents assigned to ZHOU HUI (2)· patent assignee history
2016–2020Based in The Woodlands, TX, US· patent location history
2017–2019Patents assigned to HUNTSMAN PETROCHEMICAL LLC (2)· patent assignee history
2017–2018Based in Dalian, CN· patent location history
2018Patents assigned to DALIAN INST CHEM & PHYSICS CAS (4)· patent assignee history
2018Based in Shahekou Dalian, CN· patent location history
2018Based in Wuhan, CN· patent location history
2019–2020Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 19 | 2016–2020 |
| DALIAN INST CHEM & PHYSICS CAS | 4 | 2018 |
| DALIAN INST CHEMICAL PHYSICS CAS | 2 | 2016–2017 |
| HUNTSMAN PETROCHEMICAL LLC | 2 | 2017–2019 |
| ZHOU HUIself | 2 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| The Woodlands, Texas, US | 22 | 2016–2020 |
| Dalian, CN | 3 | 2017–2018 |
| Shanghai, CN | 2 | 2019–2020 |
| Shahekou Dalian, CN | 1 | 2018 |
| Wuhan, CN | 1 | 2018 |