LexDanaLexDanabeta
Inventor

Stephen Hekelaar

Inventor
Spring, TX, US

Overview

9→
Patents
2013–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 9 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
10,544,640Multi-cycle pipe cutter and related methods202010,151,164Single-trip casing cutting and bridge plug setting201810,113,394Multi-stage flow device201810,047,582Extended duration section mill and methods of use20189,416,635'System and method of cutting and removing casings from wellbore'20169,404,331'Extended duration section mill and methods of use'20169,353,589'Multi-cycle pipe cutter and related methods'20169,222,328'Wellhead latch and removal systems'20158,602,101'Multi-cycle pipe cutter and related methods'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to SMITH INTERNATIONAL (8)· patent assignee history
2013Patents assigned to GIBSON KENNETH (1)· patent assignee history
2013Patents assigned to HEKELAAR STEPHEN (1)· patent assignee history
2013–2016Based in Aberdeen, GB· patent location history
2015–2020Based in Spring, TX, US· patent location history
2018Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITH INTERNATIONAL82013–2020
GIBSON KENNETH12013
HEKELAAR STEPHENself12013
SCHLUMBERGER TECHNOLOGY CORP12018
Locations
LocationPatentsSpan
Spring, Texas, US72015–2020
Aberdeen, GB22013–2016