Inventor

TENGFEI DONG

Inventor
CN

Overview

8→
Patents
2021–2026
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 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 elsewhere21%
E21BEarth or rock drilling11%
G06FElectric digital data processing11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C08LCompositions of macromolecular compounds5%
E01DConstruction of bridges, elevated roadways or viaducts5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G01RMeasuring electric variables5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2023Patents assigned to UNIV CHINA PETROLEUM BEIJING (6)· patent assignee history
2021–2026Based in CN· patent location history
2023Patents assigned to CNPC CHUANQING DRILLING ENG CO (2)· patent assignee history
2023Patents assigned to CNPC ENG TECH RES & DEV CO LTD (2)· patent assignee history
2023Patents assigned to CHINA RAILWAY NO 3 ENG GROUP (1)· patent assignee history
2026Patents assigned to FUJIAN NETPOWER TECH DEVELOPMENT CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CHINA PETROLEUM BEIJING62021–2023
CNPC CHUANQING DRILLING ENG CO22023
CNPC ENG TECH RES & DEV CO LTD22023
CHINA RAILWAY NO 3 ENG GROUP12023
FUJIAN NETPOWER TECH DEVELOPMENT CO LTD12026
Locations
LocationPatentsSpan
CN82021–2026