LexDanaLexDanabeta
Inventor

Chris Gao

Inventor
Kingwood, TX, US

Overview

3→
Patents
2016–2019
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 drilling40%
G01VGeophysics20%
H03MCoding20%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers20%
PatentTitleYear
10,465,504Sensor data compression for downhole telemetry applications20199,926,781'Wide bandwidth drill pipe structure for acoustic telemetry'20189,407,992'Estimation of reverberation decay related applications'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016Patents assigned to CONEXANT SYSTEMS INC (1)· patent assignee history
2016Based in Mississauga, CA· patent location history
2018–2019Patents assigned to HALLIBURTON ENERGY SERVICES INC (2)· patent assignee history
2018–2019Based in Kingwood, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERVICES INC22018–2019
CONEXANT SYSTEMS INC12016
Locations
LocationPatentsSpan
Kingwood, Texas, US22018–2019
Mississauga, CA12016