F16L55/12 - CPC Classification Index

ClassID:

153394 ⎘

F16L55/12 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable

Sub-classes:

F16L55/124 » introduced radially into the pipe or hose 65
F16L55/128 » introduced axially into the pipe or hose 28

Recent Application in this class:

20240060592

2024-02-22

METHODS,SYSTEMS, AND APPARATUS FOR USE IN MAIN PIPES CONNECTED TO BRANCH CONDUIT

20220397224

2022-12-15

Methods, systems, and apparatus for use in main pipes connected to branch conduit

20200309309

2020-10-01

Pneumatic plug with sealing layer

20200300404

2020-09-24

Detecting and repairing method for external diseases of buried drainage pipeline

20200173599

2020-06-04

Methods, systems, and apparatus for use in main pipes connected to branch conduit

20190226619

2019-07-25

Systems, compositions and methods for curing leakages in pipes

20150362099

2015-12-17

Ferrule coupling and sealing mechanism for liquid passage nozzle of membrane module

20130126184

2013-05-23

REACTIVE CHOKE FOR AUTOMATIC WELLBORE FLUID MANAGEMENT AND METHODS OF USING SAME

20130061957

2013-03-14

Check valve

#10

20080277930

2008-11-13

Pipeline closing apparatus

#11

20070017576

2007-01-25

Inflatable sewage line backflow prevention devices

#12

20060027276

2006-02-09

Seamless inflatable bag with multiple applications

#13

20050257846

2005-11-24

Method and apparatus for abandoning a sewer pipe using a cured in place sewer plug

#14

15916013

2019-05-21

Inflatable isolation tool with enhanced monitoring unit