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Inventor

Everette Johnston

Inventor
Perrin, TX, US

Overview

3→
Patents
2019–2020
Patent span
LOC
Primary field

Patents· 3 as inventor

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

LOC15primary
LOC1550%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material25%
E21BEarth or rock drilling25%
PatentTitleYear
D0905126Centralizer2020D0873867Centralizer202010,493,515Devices and methods for forming bow springs of one-piece centralizers2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2020Patents assigned to INNOVEX DOWNHOLE SOLUTIONS INC (3)· patent assignee history
2019Patents assigned to ANTELOPE OIL TOOL & MFG CO LLC (1)· patent assignee history
2019–2020Based in Perrin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INNOVEX DOWNHOLE SOLUTIONS INC32019–2020
ANTELOPE OIL TOOL & MFG CO LLC12019
Locations
LocationPatentsSpan
Perrin, Texas, US32019–2020