F16L55/02745 - CPC Classification Index

ClassID:

153348 ⎘

F16L55/02745 - CPC Classification

Classification description:

Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Energy absorbers; Noise absorbers; Throttle passages by passing through a mass of particles or a porous member

Recent Application in this class:

20230089571

2023-03-23

METHOD AND APPARATUS FOR SUPPRESSING UNDESIRABLE TONES IN AN EXHAUST SYSTEM

20200080451

2020-03-12

METHOD AND APPARATUS FOR SUPPRESSING UNDESIRABLE TONES IN AN EXHAUST SYSTEM

20170159622

2017-06-08

Noise attenuation unit for engine systems

20150159528

2015-06-11

Noise attenuation unit for engine systems

20130048081

2013-02-28

COMPOSITE INFLOW CONTROL DEVICE

20090145688

2009-06-11

ACOUSTIC ATTENUATION DEVICE

20050051382

2005-03-10

Pneumatic blow-off silencer

16109490

2020-02-04

Mesh apparatus for diffusing rainwater droplets in a downspout