ClassID:

153420

F16L55/1657 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section lengths of rigid pipe being inserted

Recent Application in this class:
#1
20250122774
2025-04-17

ALL METAL-TO-METAL CASING PATCH

#2
20240240740
2024-07-18

PIPE REHABILITATION METHOD

#3
20240239454
2024-07-18

METHOD OF ASSEMBLING A VESSEL OVERBOARD DISCHARGE ASSEMBLY

#4
20240151342
2024-05-09

PIPE REHABILITATION METHOD

#5
20240035608
2024-02-01

PIPE REHABILITATION CONSTRUCTION METHOD

#6
20230204145
2023-06-29

Method of restoring a tubular assembly

#7
20220268388
2022-08-25

SPACER FOR ADJUSTING THE POSITION OF A REHABILITATION PIPE AND POSITION ADJUSTING METHOD USING SUCH

#8
20210247014
2021-08-12

Automated flowline leak sealing system and method

#9
20210239253
2021-08-05

Expander with accessories to adjust nominal size

#10
20210190251
2021-06-24

Lead pipe spudding prior to extraction or remediation

#11
20200400264
2020-12-24

Device for inserting a pipe into an elongated cavity

#12
20190219214
2019-07-18

Nondestructive pipe refurbishment using liner pipe sections

#13
20190154184
2019-05-23

NONDESTRUCTIVE PIPE REFURBISHMENT USING LINER PIPE SECTIONS

#14
20190153928
2019-05-23

Flared-end automotive engine coolant pipe repair stent and method for repairing an engine

#15
20190093446
2019-03-28

Hydraulic device and method for locating and sealing holes or cracks in oil well production tubing

#16
20190078720
2019-03-14

Lead pipe spudding prior to extraction or remediation

#17
20180291799
2018-10-11

Method of repairing an engine cooling system and a repaired engine

#18
20180266616
2018-09-20

Pusher box for nondestructive pipe refurbishment in confined spaces

#19
20180017202
2018-01-18

In-situ pipe carrier

#20
20170314722
2017-11-02

Method of lining a tubular structure

#21
20170234474
2017-08-17

INFLATABLE BULKHEAD USEFUL IN UNDERGROUND PIPE REFURBISHMENT

#22
20170108156
2017-04-20

System and method for pipe insertion in a pipeline

#23
20170016568
2017-01-19

Method for rehabilitating a pipe

#24
20160273699
2016-09-22

Position adjusting spacer and method for adjusting the position of a rehabilitation pipe using such

#25
20160238183
2016-08-18

Spacer for positioning a rehabilitating pipe

#26
20150362116
2015-12-17

Nondestructive refurbishment of underground pipes

#27
20140360610
2014-12-11

Device for inserting a new pipe into an old pipe by means of a self-driven impact device

#28
20130106096
2013-05-02

Sealing device for connecting two pipes

#29
20120291903
2012-11-22

Systems and methods for making pipe, and method of installing the pipe in a pipeline

#30
20120211222
2012-08-23

Device for applying an expandable skirt having application diameter control upon advance

#31
20120145409
2012-06-14

High collapse resistance solid expandable technology

#32
20120145381
2012-06-14

Foldable composite tubular structure

#33
20120073692
2012-03-29

Modified pipe inlet

#34
20120009018
2012-01-12

CULVERT LINER

#35
20100307748
2010-12-09

Control line patch

#36
20100307624
2010-12-09

Existing pipe rehabilitation method

#37
20100281670
2010-11-11

TUBE REPAIR INSERT

#38
20100229996
2010-09-16

METHOD AND APPARATUS FOR FORMING A LINED CONDUIT

#39
20100132823
2010-06-03

Insert tube and a system of insert tubes

#40
20100101674
2010-04-29

Method for linking segments and linking tool

#41
20100012213
2010-01-21

Rehabilitating pipe segment and existing pipe rehabilitation method using same

#42
20090301733
2009-12-10

EXPANDABLE TUBULAR

#43
20090293979
2009-12-03

Method of lining pre-existing pipes or passages and apparatus therefor

#44
20090126436
2009-05-21

Tubular expansion device and method of fabrication

#45
20080268389
2008-10-30

Insert Tube and a System of Insert Tubes

#46
20080115931
2008-05-22

Expandable tubular

#47
20080105320
2008-05-08

Rehabilitating Pipe And Method For Repairing A Pipeline Installation Using Rehabilitating Pipe

#48
20070272405
2007-11-29

Ribbed sealing element and method of use

#49
20070022800
2007-02-01

Method for forming a lined conduit

#50
20060254778
2006-11-16

Method and system for tubing a borehole in single diameter

#51
20060177258
2006-08-10

Method and apparatus for slip-lining

#52
20060001258
2006-01-05

Segment for a rehabilitating pipe

#53
20050236059
2005-10-27

Method for laying a rehabilitating pipe

#54
20050236058
2005-10-27

Position adjusting spacer and method for adjusting the position of a rehabilitating pipe using such

#55
20050225088
2005-10-13

Rehabilitating pipe and method for laying a rehabilitating pipe

#56
20050178561
2005-08-18

Ribbed sealing element and method of use

#57
15149081
2019-11-26

Hose mending device and method

#58
14732565
2015-11-03

Trenchless refurbishment of underground pipes