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Assignee profile:

PRESSSOL LTD.

City:

Calgary

Country:

Canada

Published Applications:

Last publication date:

2008-11-27

Patent Grants:

Last grant date:

2013-04-02

Top Inventors for applications by PRESSSOL LTD.

These are the the leading inventors for applications assigned to PRESSSOL LTD.:

JAMES I. LIVINGSTONE 9 Calgary, Canada
JAMES LIVINGSTONE 1 Calgary, Canada

Recent patent applications by PRESSSOL LTD.

PRESSSOL LTD. based in Calgary, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2008-11-27 ✅ Patent 8,408,337 granted on 2013-04-02

US20080289878A1

Fixed constructions

Downhole blowout preventor

#2 | 2008-05-01

US20080099195A1

Fixed constructions

METHOD AND APPARATUS FOR ISOLATING AND TESTING ZONES DURING REVERSE CIRCULATION DRILLING

#3 | 2007-04-19 ✅ Patent 7,540,325 granted on 2009-06-02

US20070084603A1

Fixed constructions

Well cementing apparatus and method

#4 | 2007-04-17 ✅ Patent 7,204,327 granted on 2007-04-17

US10644748

Reverse circulation directional and horizontal drilling using concentric drill string

#5 | 2006-10-05

US20060219407A1

Fixed constructions

METHOD AND APPARATUS FOR CEMENTING A WELL USING CONCENTRIC TUBING OR DRILL PIPE

#6 | 2006-06-27 ✅ Patent 7,066,283 granted on 2006-06-27

US10644749

Reverse circulation directional and horizontal drilling using concentric coil tubing

#7 | 2005-11-17

US20050252661A1

Fixed constructions

CASING DEGASSER TOOL

#8 | 2005-10-13 ✅ Patent 7,343,983 granted on 2008-03-18

US20050224228A1

Fixed constructions

Method and apparatus for isolating and testing zones during reverse circulation drilling

#9 | 2005-08-18

US20050178586A1

Fixed constructions

DOWNHOLE BLOWOUT PREVENTOR

#10 | 2005-08-18

US20050178562A1

Fixed constructions

METHOD AND APPARATUS FOR ISOLATING AND TESTING ZONES DURING REVERSE CIRCULATION DRILLING

AssigneeID:

263714 ⎘