Inventor

LIU WEIWEI

CN48 patents

⚠️ This page may combine multiple inventors who share the name “LIU WEIWEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU WEIWEI

YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD

Fracturing control apparatus and control method therefor

Multifunctional blending equipment

Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method

Electro-hydraulic hybrid drive sand-mixing equipment

Electric power supply method and electric power supply system

Fracturing system and control system and method for the fracturing system

Fracturing system and control system and method for the fracturing system

Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method

Fracturing control apparatus and control method therefor

Fracturing system and control system and method for the fracturing system

Evaluation method and evaluation device of health state of well site equipment, and storage medium

Automatic grease injection system and exploitation system

LIU WEIWEI

Running vest

Running vest

Pool cleaner

Pool cleaner

HISENSE BROADBAND MULTIMEDIA TECHNOLOGY CO LTD

Optical module

Optical module

Optical module

AFFYMETRIX INC

Blocker-aided target amplification of nucleic acids

Complexity management of genomic DNA by locus specific amplification

GUO XUELIN

Cabinet handle

Furniture handle

PENG CHENG LAB

On-chip wavefront sensor, optical chip, and communication device

On-chip adaptive optical receiver system, optical chip, and communication device

SUZHOU HUAZHEN IND RV REDUCER CO LTD

Hollow reducer for high precision control

Reducer for high precision control

AMERICAN JEREH INT CORPORATION

Sand-mixing equipment

SHENZHEN LVQI ELECTRONIC COMMERCE CO LTD

Barbell clamp

THE WEATHER COMPANY LLC

Virtual environment asset location assignment

CHINA NAT OFFSHORE OIL CORP

Real-time analysis system for operation of working ship based on ship attitude measurement

UNIV EAST CHINA SCIENCE & TECH

Supported metal oxide double active center polyethylene catalyst, process for preparing the same and use thereof

UNIV SOUTHWEST PETROLEUM

Calculation method for fractal dimension of shale pores

IBM

UV map using weight painting

DAIKIN FLUOROCHEMICALS CHINA CO LTD

Composition, coating, coating film, back sheet for solar cell module and solar cell module

YAN XIJUN

Use of Salvia miltiorrhiza composition in preparing drugs for secondary prevention of coronary heart disease

TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Substrate and method of manufacturing thereof

BEIJING BAIDU NETCOM SCI & TECH CO LTD

Method and apparatus of training model, device, medium, and program product

UNIV NANKAI

Method, apparatus and optical device for detecting relationship between evanescent field and goos-hanchen shift

ZHEJIANG HISUN PHARM CO LTD

Process for preparing AD-35

KUNSHAN VISIONOX DISPLAY CO LTD

FPC of a capacitive touchscreen and a method for mounting the FPC

UNIV LAVAL

Method for remote sensing of targets in a transparent medium using ultra-short intense lasers

JIANGSU GOOD HARVEST WEIEN AGROCHEMICAL CO LTD

Simple preparation method for dialkoxypropyl methylphosphonate

BOE TECHNOLOGY GROUP CO LTD

Methods for controlling application instance to be online or offline, electronic device, and storage medium

UNIV SHANDONG SCIENCE & TECH

Experimental method of type I stress intensity factor test considering periodic changes of frost-heave forces

INST OF ECOLOGICAL CONSERVATION AND RESTORATION CHINESE ACADEMY OF FORESTRY

Method for restoring waterbird habitats based on ecological leverage theory

KUNMING METALLURGICAL RES INSTITUTE CO LTD

Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate

HENAN TALOPH PHARMACEUTICAL CO LTD

Identification method and content measurement method for pediatric compound Endothelium Corneum Gigeriae Galli chewable tablet