Inventor

Youli Quan

Inventor
Liaoning, CN

Overview

3→
Patents
2007–2021
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling29%
G01VGeophysics29%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to GEOMECHANICS INTERNATIONAL INC (1)· patent assignee history
2007Based in Fremont, CA, US· patent location history
2020Patents assigned to SEISMOS INC (1)· patent assignee history
2020Based in Houston, TX, US· patent location history
2021Patents assigned to DALIAN RONGKEPOWER CO LTD (1)· patent assignee history
2021Based in Liaoning, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DALIAN RONGKEPOWER CO LTD12021
GEOMECHANICS INTERNATIONAL INC12007
SEISMOS INC12020
Locations
LocationPatentsSpan
Liaoning, CN12021
Houston, Texas, US12020
Fremont, California, US12007