ClassID:

153478

F16L58/187 - CPC Classification

Classification description:

Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for flanged joints

Recent Application in this class:
#1
20240052965
2024-02-15

CONNECTOR SYSTEM FOR USE IN ULTRA-HIGH VACUUM SYSTEMS

#2
20240003470
2024-01-04

Composite pipe formed by combining a main portion and a short pipe portion, and connection structure of the same

#3
20230341076
2023-10-26

CONNECTOR SYSTEM FOR USE IN ULTRA-HIGH VACUUM SYSTEMS

#4
20230323987
2023-10-12

Detachable anti-vibration sealing protection device for pipe flange

#5
20230079710
2023-03-16

Polymer-lined fluid transmission line

#6
20220260194
2022-08-18

Pipe fitting internal liner systems and methods

#7
20220205564
2022-06-30

Polymer-lined fluid transmission line

#8
20220176418
2022-06-09

Pipe cleaning assembly and method of cleaning a piping system using the same

#9
20220010900
2022-01-13

Connector for pipelines and method to connect the connector to a pipeline

#10
20210033224
2021-02-04

Polymer-lined fluid transmission line

#11
20200256489
2020-08-13

Irrigation pipe assembly

#12
20200248858
2020-08-06

Apparatus for duct connection

#13
20190170287
2019-06-06

Joint assembly for fluid carrying pipes

#14
20190170286
2019-06-06

Joint assembly for fluid carrying pipes

#15
20190086004
2019-03-21

Arrangement for fluid-sealing connection of lines

#16
20190063647
2019-02-28

FULL-FACE FLARE JOINT FOR LINED PIPING SYSTEM

#17
20180363833
2018-12-20

Irrigation pipe liner

#18
20180135754
2018-05-17

Double-shoulder, double-rail serrated metal gasket

#19
20180119855
2018-05-03

GASKET

#20
20180066788
2018-03-08

Irrigation pipe liner

#21
20170191590
2017-07-06

Compressor gasket and method of preventing corrosion

#22
20170089498
2017-03-30

Gasket

#23
20160369935
2016-12-22

Fluid-conducting system with cathodic corrosion protection

#24
20160361748
2016-12-15

Method and kit for joining a tubular member and a pipeline for conveying corrosive products

#25
20160348817
2016-12-01

Double-rail serrated metal gasket

#26
20160298811
2016-10-13

Rubber polyurethane liner

#27
20160066521
2016-03-10

Irrigation pipe and method of fabrication

#28
20160066520
2016-03-10

Irrigation pipe and method of fabrication

#29
20140339810
2014-11-20

Pressure compensated enclosures for submerged joints

#30
20140327239
2014-11-06

Coated flanged coupling

#31
20140042702
2014-02-13

Gasket

#32
20130033033
2013-02-07

PIPELINE LINER NON-FLANGE CONNECTION

#33
20120193907
2012-08-02

PIPE COUPLING COVER

#34
20120067441
2012-03-22

Irrigation pipe assembly

#35
20110156352
2011-06-30

GASKET

#36
20110049878
2011-03-03

Profiled Gasket For Lined Piping

#37
20100253451
2010-10-07

Electrolytic corrosion prevention structure and waveguide connection structure

#38
20100032941
2010-02-11

Assembly for Joining Metallic Pipes Provided with Inner Plastic Liner

#39
20050189028
2005-09-01

Rubber polyurethane line