LexDanaLexDanabeta
Inventor

Xichang Zhang

Inventor
Houston, TX, US

Overview

2→
Patents
2016–2018
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
G06FElectric digital data processing50%
PatentTitleYear
10,025,889Stress amplification factor analysis methodology for assessing fatigue performance of threaded connectors20189,416,652'Sensing magnetized portions of a wellhead system to monitor fatigue loading'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2018Patents assigned to VETCO GRAY INC (2)· patent assignee history
2016–2018Based in Houston, TX, US· patent location history
2018Patents assigned to VETCO GRAY LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VETCO GRAY INC22016–2018
VETCO GRAY LLC12018
Locations
LocationPatentsSpan
Houston, Texas, US22016–2018