ClassID:

153509

F16L59/143 - CPC Classification

Classification description:

Thermal insulation in general; Arrangements for the insulation of pipes or pipe systems Pre-insulated pipes

Recent Application in this class:
#1
20250387990
2025-12-25

METHOD FOR PRODUCING PRE-INSULATED FITTINGS

#2
20250377068
2025-12-11

INSTALLATION METHOD OF HEAT-INSULATION STRUCTURE FOR REFRIGERANT AND MULTILAYERED TUBE FOR REFRIGERANT

#3
20250369555
2025-12-04

THERMALLY INSULATED MULTILAYER TUBE FOR COOLANT

#4
20250297697
2025-09-25

FLUID TRANSPORT TUBE

#5
20250276480
2025-09-04

TUBE PRODUCTION, PRE-INSULATED TUBULAR RODS

#6
20250243952
2025-07-31

TUBING FOR HIGH-TEMPERATURE SYSTEMS

#7
20250189068
2025-06-12

THERMAL INSULATING SLEEVE LINER FOR FLUID FLOW DEVICE AND FLUID FLOW DEVICE INCORPORATING SUCH LINER

#8
20250003542
2025-01-02

COUPLING DEVICE AND METHOD

#9
20240401754
2024-12-05

DETERMINING THERMAL CONDITIONS IN A PIPELINE

#10
20240392898
2024-11-28

CURVED DUCT AND METHOD OF MANUFACTURING SAME

#11
20240369169
2024-11-07

ELECTRICALLY HEATED SUBSEA PIPELINES

#12
20240328543
2024-10-03

TYPE MODULE FOR THE CREATION OF DUCTS FOR THE CIRCULATION OF AIR AND DUCT OBTAINED WITH THIS MODULE

#13
20240288111
2024-08-29

PIPELINE WITH LONGITUDINAL CHANNELS FOR A FLUID TO BE TRANSPORTED, IN PARTICULAR IN A MOTOR VEHICLE

#14
20240175537
2024-05-30

EXTERIOR CLADDING FOR INSULATION SYSTEMS

#15
20240125507
2024-04-18

VENTILATION CONDUIT

#16
20240117916
2024-04-11

Monitoring of Lined Pipeline

#17
20240044434
2024-02-08

METHOD AND SYSTEM FOR DIRECT ELECTRIC HEATING OF A DOUBLE-WALLED PIPE FOR TRANSPORTING FLUIDS

#18
20230358357
2023-11-09

THERMAL INSULATION PIPE

#19
20230349585
2023-11-02

ELLIPTICAL DUCTING SYSTEMS AND REINFORCED CONNECTORS

#20
20230272875
2023-08-31

Thermally insulated transfer line with coupling element

#21
20230228349
2023-07-20

COMPOSITION OF A MULTI-LAYER TUBE WITH A POLYAMIDE OUTER LAYER AND PROCESS FOR MAKING

#22
20230213136
2023-07-06

Monitoring of Lined Pipeline

#23
20230184368
2023-06-15

Thermally insulated medium pipes having HFO-containing cell gas

#24
20230095326
2023-03-30

ARTICULATED INSULATED COMPONENTS WITH ANGLED CORRUGATIONS

#25
20230083971
2023-03-16

THERMALLY INSULATED MEDIUM PIPES HAVING HFO-CONTAINING CELL GAS

#26
20230022292
2023-01-26

Spooling and Installing Trace-Heated Pipelines of Pipe-in-Pipe Configuration

#27
20230017766
2023-01-19

Pipe insulation and method of and system for making same

#28
20230003333
2023-01-05

Fire resistant ventilation duct and a method of manufacturing and installing such ventilation duct

#29
20220404063
2022-12-22

Pre-fabricated modular fire-rated conduit assembly

#30
20220397241
2022-12-15

Determining thermal conditions in a pipeline

#31
20220380979
2022-12-01

Through-air apparatus to reduce infiltration of ambient air

#32
20220299148
2022-09-22

Heated pipeline with high heating efficiency

#33
20220252206
2022-08-11

Thermal insulating sleeve liner for fluid flow device and fluid flow device incorporating such liner

#34
20220163157
2022-05-26

Subsea pipelines equipped with direct electrical heating systems

#35
20210356056
2021-11-18

Thermoplastic blends and composites for flexible pipes

#36
20210332933
2021-10-28

Pipe heat insulation casing and erection method

#37
20210301969
2021-09-30

Pre-insulated flexible hot water pipe

#38
20210301964
2021-09-30

Method and system for direct electric heating of a double-walled pipe for transporting fluids

#39
20210270405
2021-09-02

Conduits for transporting fluids and methods of fabricating the same

#40
20210190253
2021-06-24

Ultra-long thermally insulated pipeline and forming method thereof

#41
20210122134
2021-04-29

Method for producing insulated pipes

#42
20210071808
2021-03-11

Electrofusion of pipe liners

#43
20210018136
2021-01-21

Thermal insulating sleeve liner for fluid flow device and fluid flow device incorporating such liner

#44
20200340603
2020-10-29

Rubber composition for a cover layer of a hydraulic hose, hydraulic hose, and method for producing the hydraulic hose

#45
20200318777
2020-10-08

Decompression heat-insulating pipe structure

#46
20200316848
2020-10-08

Method and system for producing a pre-insulated pipe, and pre-insulated pipe

#47
20200271264
2020-08-27

Insulated pipe

#48
20200263812
2020-08-20

HELICALLY WOUND TUBULAR STRUCTURES

#49
20200200318
2020-06-25

Conduits for transporting fluids

#50
20190275580
2019-09-12

Apparatus and method for manufacturing insulated pipe assembly

#51
20190271412
2019-09-05

Reelable pipe

#52
20190264860
2019-08-29

Piping insulation insert

#53
20190249926
2019-08-15

HEAT-SHIELDED CONDUIT

#54
20190242289
2019-08-08

Heat insulating pipe system and processing system

#55
20190234550
2019-08-01

Method of installing a heat tube on pre-insulated piping

#56
20190211962
2019-07-11

Thermally insulated medium pipes having HFO-containing cell gas

#57
20190203871
2019-07-04

Pipe insulation and method of and system for making same

#58
20190170171
2019-06-06

Device for transporting a medium and assembly method

#59
20190154295
2019-05-23

Pre-fabricated modular fire-rated conduit assembly

#60
20190154186
2019-05-23

FOAMED INSULATION COATING ON PIPES AND METHODS THEREFOR

#61
20190049059
2019-02-14

Method for Producing Single Insulated Pipes with an Improved Water-Stop

#62
20190024840
2019-01-24

Composite article

#63
20190024839
2019-01-24

Composite article

#64
20190024838
2019-01-24

Composite article

#65
20190017647
2019-01-17

Composite article

#66
20180356117
2018-12-13

HVAC Duct System, Method and Machine

#67
20180356003
2018-12-13

Holding back elongate elements during subsea operations

#68
20180320810
2018-11-08

Fire protection for pipes

#69
20180311868
2018-11-01

Method of installing a heat tube on pre-insulated piping

#70
20180311867
2018-11-01

Method of installing a heat tube on pre-insulated piping

#71
20180306376
2018-10-25

Method for assembling a rigid conduit and associated conduit

#72
20180306374
2018-10-25

Monitoring of lined pipeline

#73
20180245732
2018-08-30

Elongated pre-insulated pipe assembly and a local heat distribution system

#74
20180243973
2018-08-30

Method and system for producing a pre-insulated pipe, and pre-insulated pipe

#75
20180231170
2018-08-16

Decompression heat-insulating pipe structure

#76
20180224053
2018-08-09

Decompression heat-insulating pipe structure

#77
20180112495
2018-04-26

Pipeline insulated remediation system and installation method

#78
20180051845
2018-02-22

Double tube

#79
20180051162
2018-02-22

Composite particles including a fluoropolymer, methods of making, and articles including the same

#80
20180036924
2018-02-08

Continuous method for producing pre-insulated piping

#81
20180036923
2018-02-08

Continuous method for producing pre-insulated piping

#82
20180031164
2018-02-01

Subsea pipe-in-pipe structures

#83
20170299275
2017-10-19

SYSTEMS AND METHODS TO INSULATE COMPONENTS OF INDUSTRIAL INFRASTRUCTURE

#84
20170260801
2017-09-14

Access port seal

#85
20170219136
2017-08-03

Environmental conditioning systems and methods utilizing polyvinylidene fluoride (PVDF) foam ducts

#86
20170074446
2017-03-16

Submarine or buried piping and pipelines insulated with liquids

#87
20170067582
2017-03-09

Method of manufacturing a pipe segment

#88
20170067326
2017-03-09

Method and apparatus for producing hydrocarbons from one subsea well

#89
20170066869
2017-03-09

Thermal insulation

#90
20170059080
2017-03-02

Insulated fluid conduit

#91
20170059079
2017-03-02

Insulated fluid conduit

#92
20170009914
2017-01-12

Cellular glass corrosion under insulation system

#93
20160375465
2016-12-29

Method and apparatus for coating a pipe

#94
20160363251
2016-12-15

Double-wall pipe with a heat insulating layer and a plastic outer pipe thereof

#95
20160319983
2016-11-03

Manufacturing and installation of insulated pipes or elements thereof

#96
20160312924
2016-10-27

Double-walled pipe with integrated heating capability for an aircraft or spacecraft

#97
20160305596
2016-10-20

Foamed insulation coating on pipes and methods therefor

#98
20160272752
2016-09-22

Syntactic polyurethane elastomers for use in subsea pipeline insulation

#99
20160178111
2016-06-23

Insulation system

#100
20160161042
2016-06-09

Smart subsea pipeline

#101
20160109052
2016-04-21

High temperature field joints

#102
20160059474
2016-03-03

METHOD FOR PROVIDING FEATURES TO A PIPE SURFACE

#103
20160018049
2016-01-21

High temperature insulated pipelines

#104
20160018047
2016-01-21

Thermally insulated corrugated conduit

#105
20150375433
2015-12-31

Method for producing an insulated pipe in corrugated casing

#106
20150345691
2015-12-03

Thermoplastic polymeric foam pipe insulation

#107
20150344676
2015-12-03

Composite particles including a fluoropolymer, methods of making, and articles including the same

#108
20150330546
2015-11-19

Tongue-and-groove coupling between panels of self-supporting air-conditioning ducts

#109
20150315071
2015-11-05

Composite particles including a fluoropolymer, methods of making, and articles including the same

#110
20150300656
2015-10-22

Supply pipe and pipe system for thermal energy network based on bilateral heat trade

#111
20150294765
2015-10-15

Line-shaped assembly

#112
20150240970
2015-08-27

Friction stir welded pipes

#113
20150159775
2015-06-11

Process and device for laying a pipe-in-pipe

#114
20150079316
2015-03-19

ELONGATED FASTENERS FOR RETAINING INSULATION WRAPS AROUND ELONGATED CONTAINERS, SUCH AS PIPES, SUBJECT TO TEMPERATURE FLUCTUATIONS, AND RELATED COMPONENTS AND METHODS

#115
20150041018
2015-02-12

HIGH TEMPERATURE INSULATED PIPELINES

#116
20150041017
2015-02-12

High temperature field joints

#117
20140170352
2014-06-19

Hydrolysis-stable polyurethane for coating elements in maritime applications

#118
20140144539
2014-05-29

Pipe cover, pipe structure and vehicle

#119
20140124079
2014-05-08

Unbonded flexible pipe and pipe system

#120
20140116556
2014-05-01

Pipe-in-pipe apparatus including an engineered pipe

#121
20140041746
2014-02-13

Stirred ball mill

#122
20140034179
2014-02-06

INSULATION SYSTEM AND METHOD OF APPLICATION THEREOF

#123
20130335084
2013-12-19

Cooling system for magnetic resonance imaging device having reduced noise and vibration

#124
20130185923
2013-07-25

Method for manufacturing an insulated pipe using a bag

#125
20130133777
2013-05-30

Process for producing insulated jacketed pipes by a continuous production process

#126
20130098493
2013-04-25

Method of improving the physical properties in the production of PSPs (plastic-sheathed pipes)

#127
20130068340
2013-03-21

Heat trace system including hybrid composite insulation

#128
20130048137
2013-02-28

PROCESS FOR PRODUCING INSULATED PIPES HAVING IMPROVED PROPERTIES

#129
20130028580
2013-01-31

Line for transporting a fluid containing a hydrocarbon, and method for producing such a line

#130
20130014840
2013-01-17

Pressurised hot air duct of an aircraft equipped with a device for detecting air leakage

#131
20130000768
2013-01-03

WATER STOP METHOD IN SINGLE INSULATED PIPE

#132
20120279492
2012-11-08

SOLAR PANEL TUBE

#133
20120273169
2012-11-01

Pipe having variable cross section

#134
20120263817
2012-10-18

Contained foam envelope for insulating and sealing large volumes

#135
20120211118
2012-08-23

MULTILAYER TUBE FOR HYDRAULIC CONNECTION AND WIRING OF SOLAR PANELS

#136
20120196066
2012-08-02

Polyurethane having improved insulating properties

#137
20120181413
2012-07-19

Mounting system for insulated installations

#138
20120175098
2012-07-12

Systems and methods to insulate components of industrial infrastructure

#139
20120073693
2012-03-29

INSULATION AND METHODS OF INSULATING

#140
20120040138
2012-02-16

Flexible insulation system for high temperatures

#141
20110240166
2011-10-06

INSULATION AND METHODS OF INSULATING

#142
20110197987
2011-08-18

Manufacturing and Installation of Insulated Pipes or Elements Thereof

#143
20110192585
2011-08-11

Water spread limiting system for pre-insulated piping

#144
20110183096
2011-07-28

Foamed Airstream Surface Duct Product

#145
20110174412
2011-07-21

TUBULAR BODY AND EXHAUST SYSTEM

#146
20110098995
2011-04-28

Method for designing concentric axis double hot gas duct for very high temperature reactor

#147
20110085895
2011-04-14

Oil tube with integrated heat shield

#148
20110047774
2011-03-03

Method and device for manufacturing a heat-insulated pipe

#149
20110041934
2011-02-24

Delivery Pipline System

#150
20100313987
2010-12-16

Liquefied natural gas pipeline with near zero coefficient of thermal expansion

#151
20100282353
2010-11-11

Coaxial Pipe Element In Which The Inner Pipe Is Under Strees, And A Method Of Fabrication

#152
20100276127
2010-11-04

METAL SILICONE HYBRID INSULATING STRUCTURES AND METHODS THEREFOR

#153
20100260551
2010-10-14

Bendable pre-insulated pipeline assembly

#154
20100175689
2010-07-15

Catalyzed hot gas heating system for pipes

#155
20100175687
2010-07-15

Catalyzed hot gas heating system for concentrated solar power generation systems

#156
20100154917
2010-06-24

THERMALLY INSULATED PIPE FOR USE AT VERY HIGH TEMPERATURES

#157
20100101676
2010-04-29

Composite tubing

#158
20100096021
2010-04-22

Method for providing leak detection in pre-insulated piping

#159
20100089483
2010-04-15

Insulated ductwork products

#160
20100043906
2010-02-25

High temperature resistant insulation for pipe

#161
20100034593
2010-02-11

NOVEL DEPLOYMENT TECHNIQUE FOR OPTICAL FIBRES WITHIN PIPELINE COATINGS

#162
20090320953
2009-12-31

Interstitially Insulated Pipes and Connection Technologies

#163
20090301596
2009-12-10

INSULATION FOR PIPE-IN-PIPE SYSTEMS

#164
20090205737
2009-08-20

Insulated pipe and method for preparing the same

#165
20090145506
2009-06-11

Cryogenic transfer hose

#166
20090114305
2009-05-07

CORROSION RESISTANT SHEET METAL JACKETING

#167
20090050229
2009-02-26

INSULATING PIPE FIXING SYSTEM

#168
20090020288
2009-01-22

Method and apparatus for a cold flow subsea hydrocarbon production system

#169
20080296890
2008-12-04

Cryogenic pipeline configurations and methods

#170
20080236697
2008-10-02

Flexible heat-insulated conduit and method of making same

#171
20080233332
2008-09-25

Thermal Insulation Material

#172
20080224087
2008-09-18

Aqueous-Based Insulating Fluids and Related Methods

#173
20080178466
2008-07-31

Flame treatment process for bonded foam piping systems

#174
20080149210
2008-06-26

Light and reinforced undersea coaxial pipe element

#175
20080135157
2008-06-12

Manufacture of Reinforced Tubular Products of Predetermined Length

#176
20080128043
2008-06-05

INSULATED SUBSEA PIPE WITH FLEXIBLE INSULATION

#177
20080121411
2008-05-29

Superconductive cable

#178
20080121304
2008-05-29

Method of thermally insulating coaxial pipes with a particulate insulating material

#179
20080084059
2008-04-10

PIPE-CONNECTION MOULDED PART HAVING THERMAL INSULATION AND METHOD OF PRODUCING THE PIPE-CONNECTION MOULDED PART

#180
20080083468
2008-04-10

MAGNETIC FILTERING HOSE

#181
20080072988
2008-03-27

Glass Syntactic Polyurethane Insulated Product

#182
20080060713
2008-03-13

Manufacture of flexible tubular duct with improved core delivery

#183
20080047627
2008-02-28

AIR HANDLING SYSTEM DUCTWORK COMPONENT AND METHOD OF MANUFACTURE

#184
20080026174
2008-01-31

Composite tube

#185
20080014812
2008-01-17

Buoyancy Control Systems for Tubes

#186
20070292647
2007-12-20

Lap and seam seal closure system for foam pipe insulation

#187
20070289654
2007-12-20

Heat-insulated conduit

#188
20070235100
2007-10-11

Double walled, self-insulating, lightweight duct

#189
20070227758
2007-10-04

Jacket for heat-insulated conduits and method for making same

#190
20070163666
2007-07-19

LIGHT WEIGHT INSULATION FOR PIPELINES

#191
20070141281
2007-06-21

METHOD OF INSULATING A PIPELINE AND MATERIALS THEREFOR

#192
20070125439
2007-06-07

Composite tubing

#193
20070102055
2007-05-10

Composites based on macro and nanoporous materials

#194
20070079884
2007-04-12

Heat shrunk double wall, self-insulating, lightweight duct

#195
20070074778
2007-04-05

Method for manufacturing and heat-insulated pipes for conveying hot or cold fluids

#196
20070051518
2007-03-08

Method of supplying oil from a floating production structure to an offloading buoy via a thermally insulated flexible transfer duct

#197
20060272727
2006-12-07

Insulated pipe and method for preparing same

#198
20060233989
2006-10-19

Singlelayer and multilayer polyolefin foam pipes

#199
20060231150
2006-10-19

Methods and apparatus to reduce heat transfer from fluids in conduits

#200
20060213566
2006-09-28

VACUUM INSULATED EXHAUST SYSTEM

#201
20060175063
2006-08-10

Method and apparatus for a cold flow subsea hydrocarbon production system

#202
20060169344
2006-08-03

Pipe assembly

#203
20060165947
2006-07-27

Reaction-injection-molded, thermal-insulating composite article and methods of making and using the same

#204
20060127613
2006-06-15

Refractory lined ducts and coating for use therewith

#205
20060118192
2006-06-08

Method of manufacturing an insulated pipeline

#206
20060096652
2006-05-11

Insulating panel for supply duct

#207
20060084331
2006-04-20

Buoyancy control systems for tubes

#208
20060078699
2006-04-13

Insulation board with weather and puncture resistant facing and method of manufacturing the same

#209
20060061092
2006-03-23

High temperature line expansion installation with bellows

#210
20060060256
2006-03-23

High temperature line expansion installation with release agent

#211
20060054233
2006-03-16

Flexible heat shields and method

#212
20050277347
2005-12-15

Buoyancy control systems for tubes

#213
20050241717
2005-11-03

Device for thermal insulation of at least a submarine pipeline comprising a phase-change material confined in jackets

#214
20050224127
2005-10-13

Compound pipe

#215
20050218655
2005-10-06

Duct board with adhesive coated shiplap tab

#216
20050212285
2005-09-29

Dual-walled piping system and methods

#217
20050200084
2005-09-15

Seal assembly for dividing an annular space in a double-walled pipeline

#218
20050146138
2005-07-07

Coolant hose for the transport from a reservoir vessel to a cooling chamber and a system for providing coolant to a cooling chamber

#219
20050121903
2005-06-09

Pipeline for the transportation of liquefied natural gas

#220
20050121093
2005-06-09

Piping element and manufacturing method and apparatus

#221
20050103393
2005-05-19

Tubular insulating apparatus and method

#222
20050092384
2005-05-05

Semi-flexible air duct

#223
20050047871
2005-03-03

Load-bearing, lightweight, and compact super-insulation system

#224
20050000585
2005-01-06

Exterior ductwork system

#225
16827865
2022-01-25

Multi-layered conduit