Patents-Review.com
ClassID:

154576 ⎘

F17D1/16 - CPC Classification

Classification description:

Pipe-line systems for liquids or viscous products Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity

Sub-classes:
Recent Application in this class:
#1
20250164080
2025-05-22

POLYMERIC MATERIALS

 #2
20230375143
2023-11-23

DRAG REDUCTION OF ASPHALTENIC CRUDE OILS

 #3
20230287255
2023-09-14

Low glass transition temperature polymer latex drag reducing agent

 #4
20230243476
2023-08-03

APPARATUS AND METHOD FOR PRECIPITATION OF SOLIDS IN HYDROCARBON FLOW SYSTEMS

 #5
20220372363
2022-11-24

Compositions for use in oil and gas operations

 #6
20220195085
2022-06-23

RAPID DISSOLUTION OF DRAG-REDUCING AGENTS AT LOW TEMPERATURES

 #7
20220154889
2022-05-19

Systems and methods for optimization of a petroleum distribution system

 #8
20220154888
2022-05-19

SYSTEMS AND METHODS FOR OPTIMIZATION OF A PETROLEUM DISTRIBUTION SYSTEM

 #9
20220120385
2022-04-21

Polymeric materials

 #10
20220099255
2022-03-31

DRAG REDUCTION OF ASPHALTENIC CRUDE OILS

 #11
20220098470
2022-03-31

Methods for use in oil and gas operations

 #12
20210332286
2021-10-28

Low glass transition temperature polymer latex drag reducing agent

 #13
20210062976
2021-03-04

Transporting bitumen froth having coarse solids through a pipeline

 #14
20210048149
2021-02-18

FILLING SYSTEM SUITABLE FOR SOLID DRAG REDUCING AGENT AND SOLID THICKENER

 #15
20200377785
2020-12-03

Wax inhibitors for oil compositions and methods of using wax inhibitors to reduce wax deposition from oil

 #16
20200284398
2020-09-10

DRAG REDUCTION OF ASPHALTENIC CRUDE OILS

 #17
20200157919
2020-05-21

Device and method for prevention of formation of sediments of paraffin and asphaltenes deposits in the pipeline

 #18
20200056104
2020-02-20

System and Method to Decrease the Viscosity of the Crude Oil and the Potentiation of Dehydration

 #19
20200024504
2020-01-23

Maleic anhydride copolymer with broadly dispersed ester side chain as wax inhibitor and wax crystallization enhancer

 #20
20190382511
2019-12-19

Methods of manufacturing polyolefin drag reducing agents

 #21
20190256761
2019-08-22

Low glass transition temperature polymer latex drag reducing agent

 #22
20190242529
2019-08-08

DRAG REDUCTION OF ASPHALTENIC CRUDE OILS

 #23
20190233716
2019-08-01

Methods for preparing an aqueous surfactant-polymer solution

 #24
20190233715
2019-08-01

Compositions for use in oil and gas operations

 #25
20190022655
2019-01-24

Contact-line-driven microfluidic devices and methods

 #26
20180356045
2018-12-13

HYDROCARBON-BASED VISCOSITY ENHANCERS AND PRODUCTIVE CAPACITY RESTORERS CROSS-REFERENCE TO RELATED APPLICATIONS

 #27
20180298733
2018-10-18

Method of making safe an undersea bottom-to-surface production pipe when restarting production

 #28
20180274430
2018-09-27

Cooling device for internal combustion engine

 #29
20180265647
2018-09-20

Hydrate inhibitor carrying hydrogel

 #30
20180259130
2018-09-13

Passive diode-like device for fluids

 #31
20180224069
2018-08-09

Additives for drag reducing polymers

 #32
20180156390
2018-06-07

DRAG REDUCTION OF ASPHALTENIC CRUDE OILS

 #33
20180051110
2018-02-22

Catalyst composition for making ultra high molecular weight poly (alpha-olefin) drag reducing agents

 #34
20180030178
2018-02-01

Method of reducing drag in a conduit

 #35
20180030168
2018-02-01

Monomer selection to prepare ultra high molecular weight drag reducer polymer

 #36
20170198865
2017-07-13

Pipeline system

 #37
20170198204
2017-07-13

Heavy oil rheology modifiers for flow improvement during production and transportation operations

 #38
20170152430
2017-06-01

Screening methods for asphaltene stabilizers

 #39
20170145788
2017-05-25

Solid chemicals injection system for oil field applications

 #40
20170145130
2017-05-25

Catalyst composition and a process for making ultra high molecular weight poly (alpha-olefin) drag reducing agents

 #41
20170058185
2017-03-02

INHIBITION OF ASPHALTENE

 #42
20160362620
2016-12-15

Heavy crude oil viscosity reducer

 #43
20160348848
2016-12-01

Anti-agglomerants for controlling gas hydrates

 #44
20160281934
2016-09-29

Additives for drag reducing polymers

 #45
20160178132
2016-06-23

Conversion of organic oxygenates to hydrocarbons

 #46
20160061385
2016-03-03

Passive diode-like device for fluids

 #47
20150323137
2015-11-12

SYSTEM AND PROCESS FOR HANDLING HEAVY OIL RESIDUE

 #48
20150251128
2015-09-10

Molecular sieve depressurization recovery system

 #49
20140360587
2014-12-11

Reducing friction of a viscous fluid flow in a conduit

 #50
20140305509
2014-10-16

Method, system and device for reducing friction of viscous fluid flowing in a conduit

 #51
20140076410
2014-03-20

Core annular flow of crude oils

 #52
20140020783
2014-01-23

Method and apparatus for reducing fluid flow friction in a pipe

 #53
20130327535
2013-12-12

Subsea overpressure relief device

 #54
20130319537
2013-12-05

Flow Control of Combustible Mixture into Combustion Chamber

 #55
20130313160
2013-11-28

Isolating lubricating oils from subsurface shale formations

 #56
20130220427
2013-08-29

Slug mitigation

 #57
20130167939
2013-07-04

Method and System for Reducing the Visibility of a Plume Created at the Outlet of an Industrial Process

 #58
20130146149
2013-06-13

Increasing fluidity of a flowing fluid

 #59
20130146148
2013-06-13

Adaptive pressure insensitive mass flow controller and method for multi-gas applications

 #60
20130126004
2013-05-23

METHOD, SYSTEM AND DEVICE FOR REDUCING FRICTION OF VISCOUS FLUID FLOWING IN ACONDUIT

 #61
20130118758
2013-05-16

Hydrostatic pressure independent actuators and methods

 #62
20130048079
2013-02-28

Liquid crude hydrocarbon composition

 #63
20130037118
2013-02-14

Monomer selection to prepare ultra high molecular weight drag reducer polymer

 #64
20130000793
2013-01-03

Welded steel pipe for linepipe having high compressive strength and excellent sour gas resistance and manufacturing method thereof

 #65
20120312385
2012-12-13

Molecular sieve depressurization recovery method

 #66
20120167995
2012-07-05

Methods and apparatus for contacting a fluid stream with particulate solids

 #67
20120085423
2012-04-12

Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid

 #68
20120004344
2012-01-05

Drag reduction of asphaltenic crude oils

 #69
20120004343
2012-01-05

Drag reduction of asphaltenic crude oils

 #70
20120000544
2012-01-05

Drag reduction of asphaltenic crude oils

 #71
20110319520
2011-12-29

Polyolefin Drag Reducing Agents Produced by Multiple Non-Cryogenic Grinding Stages

 #72
20110248019
2011-10-13

METHOD FOR TREATING HYDROCARBON FLUIDS USING PULSATING ELECTROMAGNETIC WAVE IN COMBINATION WITH INDUCTION HEATING

 #73
20110240131
2011-10-06

System and method for scale inhibition

 #74
20110162722
2011-07-07

Process for reducing the restart pressure of streams selected from waxy crude oils, water-in-crude emulsions and dispersions of hydrocarbon hydrates

 #75
20110127196
2011-06-02

Viscous Hydrocarbon Treatment Method by In-situ Asphaltene Inerting

 #76
20110123736
2011-05-26

Method of forming ice-phobic coating

 #77
20110092393
2011-04-21

Method of reducing the viscosity of hydrocarbons

 #78
20110048544
2011-03-03

Slug mitigation

 #79
20100229955
2010-09-16

Increasing Fluidity of a Flowing Fluid

 #80
20100200239
2010-08-12

FRICTION REDUCING COMPOSITIONS FOR WELL TREATMENT FLUIDS AND METHODS OF USE

 #81
20100178423
2010-07-15

Method for controlling flow and concentration of liquid precursor

 #82
20100175883
2010-07-15

Undersea well product transport

 #83
20100029843
2010-02-04

Drag reducing copolymers for cold fluid applications

 #84
20090203562
2009-08-13

Core annular flow of heavy crude oils in transportation pipelines and production wellbores

 #85
20090133756
2009-05-28

METHOD OF TRANSPORTING A VISCOUS PRODUCT BY CORE ANNULAR FLOW

 #86
20090127505
2009-05-21

Surfactant incorporated nanostructure for pressure drop reduction in oil and gas lines

 #87
20090078406
2009-03-26

Method of generating a non-plugging hydrate slurry

 #88
20080257414
2008-10-23

Method for reduction of crude oil viscosity

 #89
20080163949
2008-07-10

SYSTEM AND METHOD FOR TURBULENT FLOW DRAG REDUCTION

 #90
20080047614
2008-02-28

Apparatus for Introducing Drag Reducers Into Hydrocarbon Transportation Systems

 #91
20080017247
2008-01-24

Process for reducing the restart pressure of streams

 #92
20070180761
2007-08-09

Additive as component of mineral oil compositions

 #93
20060293196
2006-12-28

Bi-or multi-modal particle size distribution to improve drag reduction polymer dissolution

 #94
20060175062
2006-08-10

Undersea well product transport

 #95
20060151026
2006-07-13

Method for transporting hydrates in suspension in production effluents empolying a non-polluting additive

 #96
20060118467
2006-06-08

Method of transporting heavy crude oils in dispersion

 #97
20060058564
2006-03-16

Method for transporting synthetic products

 #98
20050161081
2005-07-28

System and method for treating a fluid in a pipe

 #99
20050121366
2005-06-09

System and method for cracking hydrocarbons to reduce viscosity of crude oil for improved pumping

 #100
17568193
2022-10-18

Drag reducing agent containing a great amount of an active base