Doug BRUNSKILL

City:

Calgary

Country:

Canada

Published Applications:

Last publication date:

2025-05-22

Top Assignees for applications by Doug BRUNSKILL

The entities that hold a legal rights for patent applications filed by inventor BRUNSKILL Doug:

NCS MULTISTAGE, INC. 4 Calgary, Canada
BJ SERVICES COMPANY 2 Houston, TX United States

Recent patent applications by BRUNSKILL Doug

Doug BRUNSKILL from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-05-22

US20250163775A1

Fixed constructions

DOWNHOLE FLOW CONTROLLER

#2 | 2023-02-16

US20230050639A1

Fixed constructions

Systems and methods for producing hydrocarbon material from unconsolidated formations

#3 | 2022-06-09

US20220178225A1

Fixed constructions

Downhole flow controller

#4 | 2020-03-12

US20200080389A1

Fixed constructions

METHOD AND APPARATUS FOR CONNECTING WELL EQUIPMENT

#5 | 2020-02-27

US20200063538A1

Fixed constructions

APPARATUS, SYSTEMS AND METHODS FOR ISOLATION DURING MULTISTAGE HYDRAULIC FRACTURING WITH FLOW CONTROL MEMBER HAVING IMPEDANCE FEATURE

#6 | 2016-09-22

US20160273319A1

Fixed constructions

Downhole flow control apparatus with screen

#7 | 2016-03-31

US20160090814A1

Fixed constructions

Downhole valve apparatus

#8 | 2016-02-25

US20160053592A1

Fixed constructions

APPARATUS AND METHOD FOR ABRASIVE JET PERFORATING

#9 | 2007-06-21

US20070137866A1

Fixed constructions

Dual purpose blow out preventer

#10 | 2005-08-11

US20050173157A1

Fixed constructions

Flow control valve and method of controlling rotation in a downhole tool

InventorID:

1452321 ⎘