LexDanaLexDanabeta
Inventor

Chunling Hong

Inventor
Hubei, CN

Overview

1→
Patents
2000
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 drilling100%
PatentTitleYear
6,119,797'Single cone earth boring bit'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to KINGDREAM PUBLIC LTD CO (1)· patent assignee history
2000Based in Hubei, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KINGDREAM PUBLIC LTD CO12000
Locations
LocationPatentsSpan
Hubei, CN12000