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  • La Jolla, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary control device with self-contained hydraulic reservoir
    • Patent number 11,686,173
    • Issue date Jun 27, 2023
    • Premium Oilfield Technologies, LLC
    • Lap Tan Tran
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Self-contained hydraulically controlled relief valve
    • Patent number 11,614,175
    • Issue date Mar 28, 2023
    • Premium Oilfield Technologies, LLC
    • Douglas Jahnke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe union assembly
    • Patent number 10,895,337
    • Issue date Jan 19, 2021
    • Premium Oilfield Technologies, LLC
    • Douglas Jahnke
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reduced torque lock assembly
    • Patent number 10,830,233
    • Issue date Nov 10, 2020
    • Premium Oilfield Technologies, LLC
    • Douglas A. Jahnke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cylinder liner retainer system with torque multiplier and method
    • Patent number 10,436,193
    • Issue date Oct 8, 2019
    • Premium Oilfield Technologies, LLC
    • Douglas Jahnke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Epicyclic washpipe swivel cartridge and method
    • Patent number 10,408,328
    • Issue date Sep 10, 2019
    • Premium Oilfield Technologies, LLC
    • Douglas Jahnke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quick change cylindrical liner retainer assembly
    • Patent number 10,041,490
    • Issue date Aug 7, 2018
    • Premium Oilfield Technologies, LLC
    • Douglas Jahnke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Quick release piston rod assembly
    • Patent number 10,036,384
    • Issue date Jul 31, 2018
    • Premium Oilfield Technologies, LLC
    • Douglas Jahnke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reduced torque valve cover lock assembly
    • Patent number 9,909,580
    • Issue date Mar 6, 2018
    • Premium Oilfield Technologies, LLC
    • Douglas A. Jahnke
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Self-Contained Hydraulically Controlled Relief Valve
    • Publication number 20230012138
    • Publication date Jan 12, 2023
    • Premium Oilfield Technologies, LLC
    • Douglas JAHNKE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Enclosed Torque Controlled Electric Actuator and Method
    • Publication number 20220112788
    • Publication date Apr 14, 2022
    • Premium Oilfield Technologies, LLC
    • Neal C. RICHARD
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rotary Control Device with Self-Contained Hydraulic Reservoir
    • Publication number 20210340834
    • Publication date Nov 4, 2021
    • Premium Oilfield Technologies, LLC
    • Lap Tan TRAN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    REDUCED TORQUE VALVE COVER LOCK ASSEMBLY
    • Publication number 20190345931
    • Publication date Nov 14, 2019
    • Premium Oilfield Technologies, LLC
    • Douglas A. Jahnke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PIPE UNION ASSEMBLY
    • Publication number 20180356015
    • Publication date Dec 13, 2018
    • Premium Oilfield Technologies, LLC
    • Douglas JAHNKE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    REDUCED TORQUE VALVE COVER LOCK ASSEMBLY
    • Publication number 20170089334
    • Publication date Mar 30, 2017
    • Premium Oilfield Technologies, LLC
    • Douglas A. Jahnke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Trademarklast 30 trademarks

  • Information Trademark

    97471807 - PREMIUM OILFIELD TECHNOLOGIES
    • Serial number 97471807
    • Registration number 7125788
    • Filing date Jun 23, 2022
    • Premium Oilfield Technologies, LLC
    • 7 - Machines and machine tools
  • Information Trademark

    88361316 - PATRIOT
    • Serial number 88361316
    • Registration number 6428789
    • Filing date Mar 28, 2019
    • Premium Oilfield Technologies, LLC
    • 7 - Machines and machine tools
  • Information Trademark

    86769145 - CALIBER
    • Serial number 86769145
    • Registration number 5317621
    • Filing date Sep 25, 2015
    • Premium Oilfield Technologies, LLC
    • 7 - Machines and machine tools
  • Information Trademark

    86755374 - SUR-LOCK
    • Serial number 86755374
    • Registration number 5317609
    • Filing date Sep 14, 2015
    • Premium Oilfield Technologies, LLC
    • 7 - Machines and machine tools
  • Information Trademark

    86400184 - SUR-LINE
    • Serial number 86400184
    • Registration number 4746984
    • Filing date Sep 19, 2014
    • Premium Oilfield Technologies, LLC
    • 17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
  • Information Trademark

    85767840 - BLUEFLAME
    • Serial number 85767840
    • Registration number 4595216
    • Filing date Oct 31, 2012
    • Premium Oilfield Products, Ltd.
    • 7 - Machines and machine tools