Inventor

Xianwen Li

Inventor
Beijing, CN

Overview

3→
Patents
2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 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 elsewhere18%
B01FMixing, e.g. dissolving, emulsifying or dispersing9%
B60LPropulsion of electrically-propelled vehicles9%
B62DMotor vehicles9%
C07CAcyclic or carbocyclic compounds9%
E21BEarth or rock drilling9%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%
H02JElectric power networks9%
Y02TClimate change mitigation technologies related to transportation9%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to HUNAN SCIENTOP AUTOMATIC EQUIPMENT SHARES CO LTD (1)· patent assignee history
2020Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2020Patents assigned to SHAANXI UNIV OF SCIENCE & TECHNOLOGY (1)· patent assignee history
2020Based in Beijing, CN· patent location history
2020Based in Shaanxi, CN· patent location history
2020Based in Changsha, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUNAN SCIENTOP AUTOMATIC EQUIPMENT SHARES CO LTD12020
PETROCHINA CO LTD12020
SHAANXI UNIV OF SCIENCE & TECHNOLOGY12020
Locations
LocationPatentsSpan
Beijing, CN12020
Shaanxi, CN12020
Changsha, CN12020