Inventor

JIANXIN WEI

Inventor
CN

Overview

1→
Patents
2023
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to UNIV CHINA PETROLEUM BEIJING (1)· patent assignee history
2023Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CHINA PETROLEUM BEIJING12023
Locations
LocationPatentsSpan
CN12023