LexDanaLexDanabeta
Inventor

ZHI XIE

Inventor
CN

Overview

4→
Patents
2022–2026
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling60%
F16CShafts20%
LOC2320%
PatentTitleYear
D1108610Fan light202612,215,580Differential pressure sliding sleeve, and oil and gas well fracturing construction method using same202511,248,444Tool for opening sliding sleeve202211,236,590Device for jet packing and fracturing and tubular column comprising same2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to CHINA PETROLEUM & CHEM CORP (3)· patent assignee history
2022–2025Patents assigned to SINOPEC SOUTHWEST OIL & GAS CO (3)· patent assignee history
2022–2026Based in CN· patent location history
2026Patents assigned to XIE YONG (1)· patent assignee history
2026Patents assigned to XIE ZHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP32022–2025
SINOPEC SOUTHWEST OIL & GAS CO32022–2025
XIE YONG12026
XIE ZHIself12026
Locations
LocationPatentsSpan
CN42022–2026