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Inventor

Xuezhong Liu

Inventor
Hubei, CN

Overview

3→
Patents
2000–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling67%
G06FElectric digital data processing33%
PatentTitleYear
11,029,839Application display method and terminal20217,299,887'Roller bit with a journal pin offset from the central axis thereof'20076,119,797'Single cone earth boring bit'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2007Patents assigned to KINGDREAM PUBLIC LTD CO (2)· patent assignee history
2000–2007Based in Hubei, CN· patent location history
2021Patents assigned to HUAWEI DEVICE CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KINGDREAM PUBLIC LTD CO22000–2007
HUAWEI DEVICE CO LTD12021
Locations
LocationPatentsSpan
Hubei, CN22000–2007
Beijing, CN12021