ClassID:

154563

F17D1/05 - CPC Classification

Classification description:

Pipe-line systems for gases or vapours for distribution of gas Preventing freezing

Recent Application in this class:
#1
20230417373
2023-12-28

Method for frost heave prevention treatment of smart gas pipeline and internet of things system thereof

#2
20230324010
2023-10-12

REAL TIME INTEGRITY MONITORING OF ON-SHORE PIPES

#3
20230204163
2023-06-29

Methods for smart gas pipeline frost heave safety management and internet of things systems thereof

#4
20220146053
2022-05-12

Real time integrity monitoring of on-shore pipes

#5
20220112987
2022-04-14

ORGANIC COMPOUND PRODUCTION SYSTEM

#6
20210293388
2021-09-23

Real time integrity monitoring of on-shore pipes

#7
20190199168
2019-06-27

Self-powered pipeline hydrate prevention system

#8
20180356044
2018-12-13

Control system and method for pressure-let-downs stations

#9
20180320826
2018-11-08

Real time integrity monitoring of on-shore pipes

#10
20180274731
2018-09-27

Real time integrity monitoring of on-shore pipes

#11
20180266087
2018-09-20

Freeze prediction system

#12
20180216784
2018-08-02

Circulating inert-gas seal system based on gas-supply servo device and QHSE based storage and transportation method

#13
20170276267
2017-09-28

Smart subsea pipeline with channels

#14
20170227145
2017-08-10

Smart subsea pipeline

#15
20170074447
2017-03-16

Self-powered pipeline hydrate prevention system

#16
20160348808
2016-12-01

Smart subsea pipeline

#17
20160208973
2016-07-21

Indirect fluid heater

#18
20160167168
2016-06-16

Tool and method for removing gas hydrates from the surface of subsea oil and gas exploration and production equipment through laser radiation

#19
20160018040
2016-01-21

Controlling heating and communication in a pipeline system

#20
20150247601
2015-09-03

METHOD AND SYSTEM FOR HEATING NATURAL GAS

#21
20120325329
2012-12-27

POLYMERIC GEL SYSTEM AND METHODS FOR MAKING AND USING SAME IN HYDROCARBON RECOVERY

#22
20120279235
2012-11-08

Apparatus and methods for decompressing and discharging natural gas utilizing a compressor or a temperature-actuated valve

#23
20120192984
2012-08-02

Double layer conduit

#24
20120192580
2012-08-02

Apparatus and methods for regulating material flow using a temperature-actuated valve

#25
20120115758
2012-05-10

Methods using formate gels to condition a pipeline or portion thereof

#26
20120114418
2012-05-10

Formate salt gels and methods for dewatering of pipelines or flowlines

#27
20120055575
2012-03-08

Method for pipeline conditioning

#28
20120055237
2012-03-08

Composition and method for pipeline conditioning and freezing point suppression

#29
20110123736
2011-05-26

Method of forming ice-phobic coating

#30
20110064643
2011-03-17

Apparatus and method for continuously producing and pelletizing gas hydrates using dual cylinder

#31
20100180952
2010-07-22

CONTROLLED FORMATION OF HYDRATES

#32
20090321082
2009-12-31

Method for protecting hydrocarbon conduits

#33
20090230025
2009-09-17

Process for regasifying a gas hydrate slurry

#34
20090067931
2009-03-12

Potassium formate gel designed for the prevention of water ingress and dewatering of pipelines or flowlines

#35
20080314124
2008-12-25

Composition and method for pipeline conditioning and freezing point suppression

#36
20080053659
2008-03-06

Method of inhibiting hydrate formation

#37
20080006325
2008-01-10

Automatic pump control device

#38
20070283705
2007-12-13

Gas pressure reducer, and an energy generation and management system including a gas pressure reducer

#39
20060225793
2006-10-12

Method and apparatus for dosing inhibitors

#40
20060218852
2006-10-05

Controlling the formation of crystalline hydrates in fluid systems