LexDanaLexDanabeta
Inventor

Dege Li

Inventor
Qingdao, CN

Overview

2→
Patents
2012–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B60Rprimary
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for33%
E21BEarth or rock drilling33%
G08BSignalling systems, e.g. personal calling systems33%
PatentTitleYear
11,085,245Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling method20218,253,554'Multi-purpose attachable alarm'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012Patents assigned to EMPIRE TECHNOLOGY DEV LLC (1)· patent assignee history
2012Patents assigned to LI DIANXIN (1)· patent assignee history
2012Patents assigned to WANG YING (1)· patent assignee history
2012Based in Harbin, CN· patent location history
2021Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (1)· patent assignee history
2021Based in Qingdao, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EMPIRE TECHNOLOGY DEV LLC12012
LI DIANXINself12012
UNIV CHINA PETROLEUM EAST CHINA12021
WANG YING12012
Locations
LocationPatentsSpan
Qingdao, CN12021
Harbin, CN12012