TREA

Downhole Products Limited

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  • Aberdeen, GB
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Casing shoe with flow operated diverter valve
    • Patent number 12,110,747
    • Issue date Oct 8, 2024
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dual flow converted auto-fill float valve
    • Patent number 12,012,812
    • Issue date Jun 18, 2024
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Variable stiffness centralizer
    • Patent number 11,965,384
    • Issue date Apr 23, 2024
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Toe valve with vented atmospheric chamber
    • Patent number 11,920,432
    • Issue date Mar 5, 2024
    • DOWNHOLE PRODUCTS LIMITED
    • Alexander Craig Mackay
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Slimline stop collar with solid cam ring
    • Patent number 11,536,095
    • Issue date Dec 27, 2022
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Resettable toe valve
    • Patent number 11,486,228
    • Issue date Nov 1, 2022
    • DOWNHOLE PRODUCTS LIMITED
    • Alexander Craig Mackay
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Overpressure toe valve with atmospheric chamber
    • Patent number 11,428,073
    • Issue date Aug 30, 2022
    • DOWNHOLE PRODUCTS LIMITED
    • Alexander Craig Mackay
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Slimline stop collar
    • Patent number 11,286,729
    • Issue date Mar 29, 2022
    • DOWNHOLE PRODUCTS LIMITED
    • Alexander Craig Mackay
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Guide shoe with lockable nose
    • Patent number 11,203,902
    • Issue date Dec 21, 2021
    • DOWNHOLE PRODUCTS LIMITED
    • Alexander Craig MacKay
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing shoe
    • Patent number D892868
    • Issue date Aug 11, 2020
    • DOWNHOLE PRODUCTS LIMITED
    • Keith David Bradford
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Centraliser
    • Patent number 10,156,103
    • Issue date Dec 18, 2018
    • Downhole Products Limited
    • Andrew Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centraliser
    • Patent number 9,470,047
    • Issue date Oct 18, 2016
    • Downhole Products Limited
    • Andrew Kirk
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tubing shoe
    • Patent number 8,657,036
    • Issue date Feb 25, 2014
    • Downhole Products Limited
    • William Barron
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centraliser
    • Patent number D671960
    • Issue date Dec 4, 2012
    • Downhole Products Limited
    • Andrew Keith Kirk
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Centraliser
    • Patent number D662952
    • Issue date Jul 3, 2012
    • Downhole Products Limited
    • Andrew Keith Kirk
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cement flow control tool
    • Patent number 7,743,829
    • Issue date Jun 29, 2010
    • Downhole Products PLC
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Centralizer
    • Patent number 7,694,733
    • Issue date Apr 13, 2010
    • Downhole Products PLC
    • Alistair Bertram Clark
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Slotted expandable centraliser
    • Patent number 7,096,939
    • Issue date Aug 29, 2006
    • Downhole Products PLC
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    ADI centralizer
    • Patent number 6,845,816
    • Issue date Jan 25, 2005
    • Downhole Products, PLC
    • Ian Alastair Kirk
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Centraliser
    • Patent number 6,830,102
    • Issue date Dec 14, 2004
    • Downhole Products PLC
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 6,659,173
    • Issue date Dec 9, 2003
    • Downhole Products PLC
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Casing centralizer
    • Patent number 6,435,275
    • Issue date Aug 20, 2002
    • Downhole Products plc
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool
    • Patent number 6,401,820
    • Issue date Jun 11, 2002
    • Downhole Products PLC
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Gripping device
    • Patent number 5,860,760
    • Issue date Jan 19, 1999
    • Downhole Products plc
    • Ian Alastair Kirk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    CASING SHOE WITH FLOW OPERATED DIVERTER VALVE
    • Publication number 20240068306
    • Publication date Feb 29, 2024
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    RASPING SHOE FOR NON-ROTATIONAL DEPLOYMENT OF CASING STRING
    • Publication number 20240011359
    • Publication date Jan 11, 2024
    • DOWNHOLE PRODUCTS LIMITED
    • Douglas Farley
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLOAT EQUIPMENT FOR USE WITH COMPOSITE CASING OR LINER STRING
    • Publication number 20230399899
    • Publication date Dec 14, 2023
    • DOWNHOLE PRODUCTS LIMITED
    • ALEXANDER CRAIG MACKAY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VARIABLE STIFFNESS CENTRALIZER
    • Publication number 20230235630
    • Publication date Jul 27, 2023
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DUAL FLOW CONVERTED AUTO-FILL FLOAT VALVE
    • Publication number 20230069930
    • Publication date Mar 9, 2023
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    TOE VALVE WITH VENTED ATMOSPHERIC CHAMBER
    • Publication number 20220364438
    • Publication date Nov 17, 2022
    • DOWNHOLE PRODUCTS LIMITED
    • ALEXANDER CRAIG MACKAY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SLIMLINE STOP COLLAR WITH SOLID CAM RING
    • Publication number 20210285292
    • Publication date Sep 16, 2021
    • DOWNHOLE PRODUCTS LIMITED
    • Darko Arsoski
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    OVERPRESSURE TOE VALVE WITH ATMOSPHERIC CHAMBER
    • Publication number 20210270107
    • Publication date Sep 2, 2021
    • DownHole Products Limited
    • ALEXANDER CRAIG MACKAY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CENTRALIZER HAVING ATMOSPHERIC CHAMBER FOR EXPANSION IN RESPONSE TO...
    • Publication number 20210270092
    • Publication date Sep 2, 2021
    • DOWNHOLE PRODUCTS LIMITED
    • JONATHAN PETER BUCKLAND
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    GUIDE SHOE WITH LOCKABLE NOSE
    • Publication number 20210246730
    • Publication date Aug 12, 2021
    • Downhole Products Limited
    • Alexander Craig MACKAY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DEPLOYABLE CASING CENTRALISER WITH LATCH FOR BOW SPRINGS
    • Publication number 20210025245
    • Publication date Jan 28, 2021
    • DOWNHOLE PRODUCTS LIMITED
    • ALEXANDER CRAIG MACKAY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    RESETTABLE TOE VALVE
    • Publication number 20200408068
    • Publication date Dec 31, 2020
    • DOWNHOLE PRODUCTS LIMITED
    • ALEXANDER CRAIG MACKAY
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SLIMLINE STOP COLLAR
    • Publication number 20200109607
    • Publication date Apr 9, 2020
    • DOWNHOLE PRODUCTS LIMITED
    • ALEXANDER CRAIG MACKAY
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CENTRALISER
    • Publication number 20190071937
    • Publication date Mar 7, 2019
    • DOWNHOLE PRODUCTS LIMITED
    • Andrew KIRK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CENTRALISER
    • Publication number 20170051563
    • Publication date Feb 23, 2017
    • DOWNHOLE PRODUCTS LIMITED
    • Andrew KIRK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CENTRALISER
    • Publication number 20130248207
    • Publication date Sep 26, 2013
    • DOWNHOLE PRODUCTS LIMITED
    • Andrew Kirk
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Centralizer
    • Publication number 20080210419
    • Publication date Sep 4, 2008
    • Downhole Products PLC
    • Alistair Bertram Clark
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Cement flow control tool
    • Publication number 20060000993
    • Publication date Jan 5, 2006
    • Downhole Products plc
    • Ian Alastair Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole tool
    • Publication number 20020096368
    • Publication date Jul 25, 2002
    • Downhole Products PLC
    • Ian A. Kirk
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ADI centralizer
    • Publication number 20010035291
    • Publication date Nov 1, 2001
    • Downhole Products PLC
    • Ian Alastair Kirk
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Trademarklast 30 trademarks

  • Information Trademark

    88597282 - INFILTRATOR
    • Serial number 88597282
    • Registration number 6057511
    • Filing date Aug 29, 2019
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    88595550 - SPIR-O-BITE
    • Serial number 88595550
    • Registration number 6206886
    • Filing date Aug 28, 2019
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    88595517 - GRAVITATOR
    • Serial number 88595517
    • Filing date Aug 28, 2019
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    88191351 - GRIPPY
    • Serial number 88191351
    • Registration number 6254014
    • Filing date Nov 13, 2018
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    87871820 - SPIR-O-LITE
    • Serial number 87871820
    • Registration number 5673215
    • Filing date Apr 11, 2018
    • Downhole Products Limited
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    87871824 - LEDGERUNNER
    • Serial number 87871824
    • Registration number 5673216
    • Filing date Apr 11, 2018
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    87380484 - REAPER
    • Serial number 87380484
    • Registration number 5628586
    • Filing date Mar 22, 2017
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    87158130 - SPIR-O-MIZER
    • Serial number 87158130
    • Registration number 5394044
    • Filing date Sep 1, 2016
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    86705727 - CASERUNNER
    • Serial number 86705727
    • Registration number 5062001
    • Filing date Jul 27, 2015
    • Downhole Products Limited
    • 6 - Common metals and their alloys
  • Information Trademark

    78570051 - BLADE RUNNER
    • Serial number 78570051
    • Registration number 3191177
    • Filing date Feb 17, 2005
    • Downhole Products plc
    • 6 - Common metals and their alloys
  • Information Trademark

    76425296 - PATHFINDER
    • Serial number 76425296
    • Filing date Jun 21, 2002
    • Downhole Products plc
    • 6 - Common metals and their alloys
  • Information Trademark

    76424717 - EXPAND-O-LIZER
    • Serial number 76424717
    • Registration number 2771126
    • Filing date Jun 18, 2002
    • Downhole Products plc
    • 7 - Machines and machine tools
  • Information Trademark

    76393261 - PEN-O-TRATOR
    • Serial number 76393261
    • Registration number 2755386
    • Filing date Apr 10, 2002
    • Downhole Products plc
    • 6 - Common metals and their alloys
  • Information Trademark

    75172664 - SPIRALIZER
    • Serial number 75172664
    • Registration number 2404970
    • Filing date Sep 26, 1996
    • Weatherford/Lamb, Inc.
    • 6 - Common metals and their alloys