F16L58/182 - CPC Classification Index

#1

20250216017

2025-07-03

PROTECTOR FOR TUBULAR THREADED ELEMENTS

#2

20250003533

2025-01-02

SOLID LUBRICANT FOR ZN-NI COATING ON A THREADED TUBULAR ELEMENT

#3

20230220254

2023-07-13

SEALANT MATERIAL

#4

20230071084

2023-03-09

Sealing device between two conduits, in particular for transporting a fluid comprising a corrosive and/or abrasive component

#5

20230059150

2023-02-23

Threaded connection for pipes and method for producing threaded connection for pipes

#6

20230024535

2023-01-26

COATED PIPE RESISTANT TO CASING WEAR

#7

20220196189

2022-06-23

Tube assembly, pressure exchanger and reverse osmosis system

#8

20210364119

2021-11-25

Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes

#9

20210285592

2021-09-16

Cover for a tubular

#10

20200240570

2020-07-30

Coupling assembly and protective ring therefor

#11

20200166163

2020-05-28

Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes

#12

20200157700

2020-05-21

Threaded joint for an oil well pipe

#13

20200011472

2020-01-09

OILFIELD TUBING AND METHODS FOR MAKING OILFIELD TUBING

#14

20190330930

2019-10-31

Threaded connection for steel pipe

#15

20190241781

2019-08-08

Sealant material

#16

20190144985

2019-05-16

Multilayered corrosion and anti-galling coating for threads and wearable materials

#17

20190056055

2019-02-21

Corrosion protection element for downhole connections

#18

20190040978

2019-02-07

Threaded joint for steel pipes

#19

20180356013

2018-12-13

Seal-off fitting with flame-path control

#20

20180327633

2018-11-15

Composition for solid coating formation and tubular threaded joint

#21

20180313491

2018-11-01

Threaded tubular element provided with a metallic anti-galling coating and a lubricant layer

#22

20180231156

2018-08-16

Fastener having a flexible sleeve for connecting a coated conduit to a fitting

#23

20180172197

2018-06-21

THREADED TUBULAR ELEMENT PROVIDED WITH A METALLIC ANTI-CORROSION AND ANTI-GALLING COATING

#24

20170370161

2017-12-28

System and method for preloading connection using pressure

#25

20170370160

2017-12-28

Protector with a flexible gasket for the male or female end of a component of a threaded tubular connection

#26

20170370159

2017-12-28

Connection protector with a flexible gasket for a tubular component

#27

20170321494

2017-11-09

Connection and protective ring therefor

#28

20170114942

2017-04-27

Coupling assembly and protective ring therefor

#29

20170067178

2017-03-09

Threaded joint for an oil well pipe

#30

20160244883

2016-08-25

Abutment for a tubular component overlaid with a metallic composite deposit and method for making it

#31

20160230119

2016-08-11

Threaded joint for pipes

#32

20160208562

2016-07-21

Connecting element for a tubular component overlaid with a metallic composite deposit and method of obtaining such element

#33

20160069504

2016-03-10

Locking device

#34

20160039042

2016-02-11

Method for Friction Welding Subsea Flowline Connectors

#35

20150210888

2015-07-30

Composition for solid coating formation and tubular threaded joint

#36

20150192229

2015-07-09

Tubular threaded joint having improved high-torque makeup properties

#37

20150001841

2015-01-01

Threaded joint for pipes

#38

20140361530

2014-12-11

Threaded tubular component and method for coating such a threaded tubular component

#39

20140352837

2014-12-04

Box protector for a threaded joint for pipes

#40

20140339810

2014-11-20

Pressure compensated enclosures for submerged joints

#41

20140333061

2014-11-13

Flush fitting pipe lining system

#42

20140308455

2014-10-16

Method for finishing a tubular threaded member with a dry protection coating

#43

20140300098

2014-10-09

Polymeric device to protect pipe coupling

#44

20140284919

2014-09-25

Tubular threaded joint having improved high torque performance

#45

20130333790

2013-12-19

Process for coating a threaded tubular component, threaded tubular component and resulting connection

#46

20130277961

2013-10-24

Tubular threaded joint having improved low temperature performance

#47

20130228122

2013-09-05

Coating apparatus for applying a UV curable resin to a threaded end of a steel pipe

#48

20130220367

2013-08-29

Method and device for treatment of a pipestring section that is positioned in a set-back

#49

20130075083

2013-03-28

Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection

#50

20120267860

2012-10-25

Pipe connecting mechanism for seal device and mechanical seal device

#51

20120248766

2012-10-04

Coupling assembly with corrosion barrier for GRE-lined premium threaded pipe

#52

20120193908

2012-08-02

Internally lined pipe connections and related methods of makeup

#53

20120169048

2012-07-05

Galling-resistant threaded tubular component and process for coating said component

#54

20120119484

2012-05-17

SYSTEM AND METHOD FOR COUPLING PIPES

#55

20120104751

2012-05-03

Tubular joint having wedge threads with surface coating

#56

20120018081

2012-01-26

Joints having improved sealability, lubrication and corrosion resistance

#57

20110148103

2011-06-23

Device for protecting a female end of a threaded tubular connection component, having an anti-unscrewing brake

#58

20110084483

2011-04-14

Tubular joint having wedge threads with surface coating

#59

20110025050

2011-02-03

CONNECTION SYSTEM FOR DOUBLE-WALLED PIPES

#60

20100301600

2010-12-02

Threaded joint for pipes

#61

20100264649

2010-10-21

Threaded joint for pipes having a lubricating coating

#62

20100201119

2010-08-12

TUBULAR THREADED MEMBER WITH DRY PROTECTION COATING

#63

20100059986

2010-03-11

Threaded joint for steel tubes

#64

20090295146

2009-12-03

Pipe coupling assembly and method for lined and unlined pipe

#65

20090258250

2009-10-15

Balanced Composition Hardfacing Alloy

#66

20090236850

2009-09-24

Threaded joint for steel pipes

#67

20090220780

2009-09-03

TUBULAR THREADED ELEMENT PROVIDED WITH A DRY PROTECTIVE COATING

#68

20090167016

2009-07-02

High pressure pipe liner coupling assembly and method

#69

20090033087

2009-02-05

Threaded connections with high and low friction coatings

#70

20080277925

2008-11-13

Threaded joint for steel pipe

#71

20080241584

2008-10-02

Hardfacing alloy, methods and products

#72

20080129044

2008-06-05

Nanocomposite coatings for threaded connections

#73

20080073905

2008-03-27

Pipe coupling system

#74

20070236004

2007-10-11

Slotted thread protection device

#75

20070210577

2007-09-13

Insulated pipe joint

#76

20070056656

2007-03-15

Surface conditioning prior to chemical conversion treatment of a steel member

#77

20060197343

2006-09-07

Threaded joint for steel pipes

#78

20050225083

2005-10-13

Pipe system and method for its manufacture

#79

20050176592

2005-08-11

Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion

#80

20050173919

2005-08-11

Coupling assembly and method

#81

20050118364

2005-06-02

Tubular member having an anti-galling coating

#82

16845152

2022-10-18

Integral expanded upset