ClassID:

153477

F16L58/185 - CPC Classification

Classification description:

Protection of pipes or pipe fittings against corrosion or incrustation specially adapted for pipe fittings for joints with sleeve or socket

Recent Application in this class:
#1
20260002612
2026-01-01

Method for Refurbishing Pre-Stressed Concrete Cylinder Pipe and Refurbished Pre-Stressed Concrete Cylinder Pipe

#2
20250354642
2025-11-20

CONNECTING PIPE

#3
20240157111
2024-05-16

SELF FLUSHING VALVE

#4
20240003467
2024-01-04

BIMETALLIC PRODUCTION TUBING

#5
20230400129
2023-12-14

System for reducing band clamp failure

#6
20230204148
2023-06-29

Tubing connector for decreased contamination

#7
20230175632
2023-06-08

Coupler and clean connection device having the same

#8
20220186479
2022-06-16

Pipe joint and piping structure

#9
20210123402
2021-04-29

Fastener assembly

#10
20200408350
2020-12-31

TUBING CONNECTOR FOR DECREASED CONTAMINATION

#11
20200032947
2020-01-30

Fluid transfer connector

#12
20200003346
2020-01-02

No contact connectors

#13
20190162341
2019-05-30

Anti-corrosion pipe system with adjustable length

#14
20180031169
2018-02-01

Inexpensive automobile component and oil feed pipe having excellent salt corrosion resistance

#15
20170363235
2017-12-21

No contact connectors

#16
20170198855
2017-07-13

INTRINSICALLY CONDUCT JOINT FOR METALLIC PIPE AND METHOD OF USING THE SAME

#17
20170106562
2017-04-20

Method and apparatus for producing a sewer pipe element

#18
20150369417
2015-12-24

Covering spacer for protecting the internal surface of a pipe joining element

#19
20150345689
2015-12-03

Aseptic connectors for bio-processing containers

#20
20070040381
2007-02-22

Method of corrosion protection at a welded pipe joint and resulting joint

#21
20050189763
2005-09-01

Concrete pipe with a corrosion-resistant inner lining

#22
20050173919
2005-08-11

Coupling assembly and method

#23
18924432
2025-05-06

Method for refurbishing pre-stressed concrete cylinder pipe and refurbished pre-stressed concrete cylinder pipe

#24
16831959
2022-06-07

Fluid transfer couplings and methods therefor

#25
14035254
2015-03-24

Roof-penetrating pipe sealing