Adrian Marica

Person

  • Cypress, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Connectors for pumping assemblies and methods relating thereto

    • Patent number 12,006,932
    • Issue date Jun 11, 2024
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Elastic and sealing elements in multi-stage pumps

    • Patent number 11,131,308
    • Issue date Sep 28, 2021
    • National Oilwell Vareo, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Direct drive pump assemblies

    • Patent number 11,105,322
    • Issue date Aug 31, 2021
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating pumps having a pivoting arm

    • Patent number 11,035,348
    • Issue date Jun 15, 2021
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Poppet valve with variable dampener and elastically supported guide

    • Patent number 10,514,106
    • Issue date Dec 24, 2019
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve having opposed curved sealing surfaces on a valve member and...

    • Patent number 10,094,366
    • Issue date Oct 9, 2018
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Poppet valve with integrated dampener

    • Patent number 9,903,480
    • Issue date Feb 27, 2018
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Dampeners for pumping systems

    • Patent number 9,546,648
    • Issue date Jan 17, 2017
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Track guiding system

    • Patent number 9,464,494
    • Issue date Oct 11, 2016
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B61 - RAILWAYS
  • Information Patent Grant

    Hydraulically controlled reciprocating pump system

    • Patent number 9,366,248
    • Issue date Jun 14, 2016
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumping systems with dedicated surge dampeners

    • Patent number 9,328,729
    • Issue date May 3, 2016
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulsation dampening system for a reciprocating pump

    • Patent number 9,121,397
    • Issue date Sep 1, 2015
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-locking top drive guide system

    • Patent number 9,074,421
    • Issue date Jul 7, 2015
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Carbon foam metal matrix composite and mud pump employing same

    • Patent number 9,073,116
    • Issue date Jul 7, 2015
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Apparatus for reducing turbulence in a fluid stream

    • Patent number 8,978,705
    • Issue date Mar 17, 2015
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve cartridge for pump systems

    • Patent number 8,827,242
    • Issue date Sep 9, 2014
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Poppet valve for pump systems with non-rigid connector to facilitat...

    • Patent number 8,757,592
    • Issue date Jun 24, 2014
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Poppet valve with integrated dampener

    • Patent number 8,714,193
    • Issue date May 6, 2014
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulically controlled reciprocating pump system

    • Patent number 8,591,200
    • Issue date Nov 26, 2013
    • National Oil Well Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Belt tensioner

    • Patent number 8,523,721
    • Issue date Sep 3, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulically actuated reciprocating pump

    • Patent number 8,449,265
    • Issue date May 28, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Track guiding system

    • Patent number 8,424,616
    • Issue date Apr 23, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B61 - RAILWAYS
  • Information Patent Grant

    Engine clutch and method of using same

    • Patent number 8,235,195
    • Issue date Aug 7, 2012
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for reducing turbulence in a fluid stream

    • Patent number 8,220,496
    • Issue date Jul 17, 2012
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    CONNECTORS FOR PUMPING ASSEMBLIES AND METHODS RELATING THERETO

    • Publication number 20220018385
    • Publication date Jan 20, 2022
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DIRECT DRIVE PUMP ASSEMBLIES

    • Publication number 20200166026
    • Publication date May 28, 2020
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ASSEMBLIES AND PUMPING SYSTEMS INCORPORATING PUMP ASSEMBLIES

    • Publication number 20200072201
    • Publication date Mar 5, 2020
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELASTIC AND SEALING ELEMENTS IN MULTI-STAGE PUMPS

    • Publication number 20190257312
    • Publication date Aug 22, 2019
    • National-Oilwell Varco, L.P.
    • Adrian MARICA
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Poppet Valve with Variable Dampener and Elastically Supported Guide

    • Publication number 20140312257
    • Publication date Oct 23, 2014
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Poppet Valve with Integrated Dampener

    • Publication number 20140261790
    • Publication date Sep 18, 2014
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF-LOCKING TOP DRIVE GUIDE SYSTEM

    • Publication number 20140097027
    • Publication date Apr 10, 2014
    • NATIONAL OILWELL VARCO LLP
    • Adrian MARICA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HYDRAULICALLY CONTROLLED RECIPROCATING PUMP SYSTEM

    • Publication number 20140056731
    • Publication date Feb 27, 2014
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR REDUCING TURBULENCE IN A FLUID STREAM

    • Publication number 20130340873
    • Publication date Dec 26, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Carbon Foam Metal Matrix Composite and Mud Pump Employing Same

    • Publication number 20130327574
    • Publication date Dec 12, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    TRACK GUIDING SYSTEM

    • Publication number 20130220703
    • Publication date Aug 29, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • B61 - RAILWAYS
  • Information Patent Application

    DAMPENERS FOR PUMPING SYSTEMS

    • Publication number 20130189141
    • Publication date Jul 25, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POPPET VALVE WITH INTEGRATED DAMPENER

    • Publication number 20130015385
    • Publication date Jan 17, 2013
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Belt Tensioner

    • Publication number 20120258828
    • Publication date Oct 11, 2012
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE HAVING OPPOSED CURVED SEALING SURFACES ON A VALVE MEMBER AND...

    • Publication number 20120223267
    • Publication date Sep 6, 2012
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE CARTRIDGE FOR PUMP SYSTEMS

    • Publication number 20120222760
    • Publication date Sep 6, 2012
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pulsation Dampening System for a Reciprocating Pump

    • Publication number 20120152360
    • Publication date Jun 21, 2012
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulically Actuated Reciprocating Pump

    • Publication number 20110293447
    • Publication date Dec 1, 2011
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MUD PUMP MODULES WITH SURGE DAMPENERS

    • Publication number 20110250084
    • Publication date Oct 13, 2011
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TRACK GUIDING SYSTEM

    • Publication number 20110203820
    • Publication date Aug 25, 2011
    • Adrian Marica
    • B61 - RAILWAYS
  • Information Patent Application

    POPPET VALVE FOR PUMP SYSTEMS WITH NON-RIGID CONNECTOR TO FACILITAT...

    • Publication number 20110180740
    • Publication date Jul 28, 2011
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulically Controlled Reciprocating Pump System

    • Publication number 20110123363
    • Publication date May 26, 2011
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Engine Clutch and Method of Using Same

    • Publication number 20110005884
    • Publication date Jan 13, 2011
    • National Oilwell Varco;
    • Adrian Marica
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Apparatus for Reducing Turbulence in a Fluid Stream

    • Publication number 20100307623
    • Publication date Dec 9, 2010
    • National-Oilwell Varco, L.P.
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mud pump systems for wellbore operations

    • Publication number 20100098568
    • Publication date Apr 22, 2010
    • Adrian Marica
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...