LexDanaLexDanabeta
Inventor

Riun Ashlie

Inventor
Calgary, CA

Overview

3→
Patents
2011–2014
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 drilling50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
8,905,163'Rotary drill bit with improved steerability and reduced wear'20148,356,679'Rotary drill bit with gage pads having improved steerability and reduced wear'20138,051,923'Rotary drill bits with gage pads having improved steerability and reduced wear'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2014Patents assigned to HALLIBURTON ENERGY SERV INC (3)· patent assignee history
2011–2014Based in Calgary, CA· patent location history
2013–2014Patents assigned to ASHLIE RIUN (2)· patent assignee history
2013–2014Patents assigned to CHEN SHILIN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC32011–2014
ASHLIE RIUNself22013–2014
CHEN SHILIN22013–2014
Locations
LocationPatentsSpan
Calgary, CA32011–2014