ClassID:

154578

F17D1/18 - 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 by heating

Recent Application in this class:
#1
20250213998
2025-07-03

BAND-PASS FILTER

#2
20240401753
2024-12-05

System for transporting and storing, in particular hydrogen and its mixtures

#3
20240183500
2024-06-06

A DISTRIBUTED LOW ENERGY DYNAMIC THERMAL MANAGEMENT SYSTEM FOR SOLID MATTER PREVENTION AND CONTROL IN OIL AND GAS TRANSPORTATION PIPELINE

#4
20230324010
2023-10-12

REAL TIME INTEGRITY MONITORING OF ON-SHORE PIPES

#5
20230311020
2023-10-05

PROCESS TO TREAT HEAVY OIL OR BITUMEN OR MIXTURES OF DILUTANTS AND HEAVY OIL OR BITUMEN

#6
20230163592
2023-05-25

High voltage AC transmission systems and methods

#7
20220349529
2022-11-03

System and method for facilitating hydrocarbon fluid flow

#8
20220146053
2022-05-12

Real time integrity monitoring of on-shore pipes

#9
20220065402
2022-03-03

Passive thermal diode for transportation pipelines using contact switch based on polymer thermal expansion (PTE-PTD)

#10
20220018230
2022-01-20

Heating of subsea pipelines

#11
20220010910
2022-01-13

Spirally heating submarine pipeline

#12
20210332951
2021-10-28

METHOD FOR RESTARTING FLOW IN WAXY CRUDE OIL TRANSPORTING PIPELINE

#13
20210325003
2021-10-21

DEVICE AND METHOD FOR HEATING A FLUID IN A PIPELINE

#14
20210293388
2021-09-23

Real time integrity monitoring of on-shore pipes

#15
20210190271
2021-06-24

Frictional temperature regulation of a fluid

#16
20200182412
2020-06-11

SYSTEM AND METHOD FOR ELECTRIC HEATING TRACE SYSTEM MANAGEMENT

#17
20200072420
2020-03-05

SYSTEMS AND METHODS FOR HEATING EQUIPMENT IN HAZARDOUS ENVIRONMENTS

#18
20190284906
2019-09-19

System and method for detection and control of the deposition of flow restricting substances

#19
20190271440
2019-09-05

Method for hydrate control

#20
20190224586
2019-07-25

Band-pass filter

#21
20190219229
2019-07-18

Thermally induced recirculation mixing for gel strength mitigation

#22
20190154204
2019-05-23

Processing of oil by steam addition

#23
20190145582
2019-05-16

Hydrate remediation systems, apparatuses and methods of making and using same

#24
20190128461
2019-05-02

Electrical installation for an electric trace heating system for a metal pipe for transporting fluids and electric trace heating method for such a pipe

#25
20180372258
2018-12-27

Pressurized High Voltage Skin Effect Heat Tracing System and Method

#26
20180363856
2018-12-20

Protecting a fluid stream from fouling

#27
20180328541
2018-11-15

Heating Systems for Film Growth Inhibition for Cold Flow

#28
20180320826
2018-11-08

Real time integrity monitoring of on-shore pipes

#29
20180274731
2018-09-27

Real time integrity monitoring of on-shore pipes

#30
20180087694
2018-03-29

Subsea pipe-in-pipe structures

#31
20180087327
2018-03-29

Termination bulkheads for subsea pipe-in-pipe systems

#32
20180051539
2018-02-22

Sealing arrangements for subsea pipe-in-pipe systems

#33
20180023767
2018-01-25

Sealing arrangements for subsea pipe-in-pipe systems

#34
20170321520
2017-11-09

Protecting a fluid stream from fouling using a phase change material

#35
20170198865
2017-07-13

Pipeline system

#36
20170175946
2017-06-22

Apparatus, systems and methods for thermal management of subsea pipeline

#37
20170074460
2017-03-16

Method for heating a slurry system

#38
20160258255
2016-09-08

Underwater oil pipeline heating systems

#39
20160169451
2016-06-16

PROCESS AND SYSTEM FOR DELIVERING STEAM

#40
20160076704
2016-03-17

Thermally induced recirculation mixing for gel strength mitigation

#41
20150252950
2015-09-10

Underwater oil pipeline heating systems

#42
20140016918
2014-01-16

System and system elements for direct electrical heating of subsea pipelines

#43
20130220446
2013-08-29

MEANS FOR SUPPLYING OIL FROM A TANK CONTAINING HEAVY FUEL OIL

#44
20130014833
2013-01-17

Electrical heating system for a section of fluid transport pipe, section and pipe equipped with such an electrical heating system

#45
20120103428
2012-05-03

Vaporization chambers and associated methods

#46
20110248019
2011-10-13

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

#47
20080069961
2008-03-20

Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

#48
20080067108
2008-03-20

Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

#49
20080066784
2008-03-20

Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup

#50
20070089785
2007-04-26

Method of shear heating of heavy oil transmission pipelines