LexDanaLexDanabeta
Inventor

Brian Dale Dewald

Inventor
Calgary, CA

Overview

7→
Patents
2017–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 7 as inventor

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

E21Bprimary
E21BEarth or rock drilling70%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure20%
G01GWeighing10%
PatentTitleYear
10,697,257Interlock system and method for a drilling rig202010,472,950Plug detection system and method201910,370,899Mud saver valve measurement system and method201910,371,562Strain gauge span block for a drilling rig201910,107,089Top drive movement measurements system and method20189,903,167'Interlock system and method for drilling rig'20189,765,579'Tubular stress measurement system and method'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2018Patents assigned to TESCO CORP (2)· patent assignee history
2017–2020Based in Calgary, CA· patent location history
2018–2020Patents assigned to NABORS DRILLING TECH USA INC (5)· patent assignee history
2019Patents assigned to NABROS DRILLING TECH USA INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NABORS DRILLING TECH USA INC52018–2020
TESCO CORP22017–2018
NABROS DRILLING TECH USA INC12019
Locations
LocationPatentsSpan
Calgary, CA72017–2020