ClassID:

151854

F16J15/28 - CPC Classification

Classification description:

Sealings between relatively-moving surfaces with stuffing-boxes for rigid sealing rings with sealing rings made of metal

Recent Application in this class:
#1
20250305585
2025-10-02

FLUID END WITH CLAMPED RETENTION

#2
20250297679
2025-09-25

PACKING CASE WITH COMPOSITE RINGS

#3
20240200657
2024-06-20

FLUID END WITH CLAMPED RETENTION

#4
20230184332
2023-06-15

Piston ring arrangement, piston compressor and method for sealing a compression chamber

#5
20220196151
2022-06-23

PISTON RING UNIT AND COMPRESSOR

#6
20220136494
2022-05-05

Packaging ring with relief opening

#7
20220106985
2022-04-07

Sealing device for a bearing unit

#8
20210285516
2021-09-16

Seal chain

#9
20210246987
2021-08-12

Radial seal segment joint

#10
20210108727
2021-04-15

Method of manufacturing a wheel hub bearing unit for vehicles and associated wheel hub bearing unit

#11
20200300363
2020-09-24

Seal member for bearing and production method therefor

#12
20200271228
2020-08-27

Method and system for fabrication of a metal cup for creating an annular seal within a wellbore

#13
20200263501
2020-08-20

Metallic ring for sealing a downhole rotary steering piston

#14
20200256469
2020-08-13

Apparatus and method for unitizing split ring halves with holder halves of a clamshell split ring mechanical seal face assembly

#15
20200096106
2020-03-26

Piston ring for a piston compressor, and piston compressor

#16
20190383398
2019-12-19

Mechanical seal with high pressure high temperature secondary seal

#17
20190309593
2019-10-10

Metal-to-metal annulus wellhead style seal with pressure energized from above and below

#18
20190234240
2019-08-01

Non-contacting seal with non-abradable coating

#19
20190186632
2019-06-20

INTEGRATED DEBRIS BARRIER ON METAL FACE SEALS

#20
20190107202
2019-04-11

Wear resistant piston seal

#21
20190024828
2019-01-24

Metal to metal wedge ring seal

#22
20180370006
2018-12-27

COMBUSTION GAS-DRIVEN DRIVING-IN DEVICE

#23
20180290870
2018-10-11

Wet brake

#24
20180135449
2018-05-17

Seal system for a guide blade system of a gas turbine

#25
20180100584
2018-04-12

Seal ring

#26
20180094727
2018-04-05

Annular sealing device

#27
20170167612
2017-06-15

Split packing gland inserts and packing retainers for a stuffing box

#28
20170146128
2017-05-25

MECHANICAL SEAL FOR IMPROVING THE EFFECTIVENESS OF CLAMPING WHEN FITTED TO A HARDENED SHAFT

#29
20160215886
2016-07-28

Annular sealing device

#30
20150330511
2015-11-19

Packing cups manufacturing

#31
20150108721
2015-04-23

Passive shutdown sealing device for a system of shaft seals of a reactor coolant pump set

#32
20130291716
2013-11-07

Seal arrangement for a piston rod

#33
20130154197
2013-06-20

Seal arrangement

#34
20120211945
2012-08-23

SEALING PACKING FOR A RECIPROCATING PISTON ROD OF A RECIPROCATING COMPRESSOR

#35
20120180653
2012-07-19

PISTON AND ENGINE

#36
20120061922
2012-03-15

Annular Sealing Device

#37
20120056416
2012-03-08

SYSTEMS AND METHODS FOR ESTABLISHING ELECTRICAL CONTINUITY ABOUT PIPES AND OTHER CONDUITS

#38
20100007097
2010-01-14

Resilient high pressure metal-to-metal seal and method

#39
20080236107
2008-10-02

Sealing System for High-Pressure and Temperature Containers

#40
20070252340
2007-11-01

SEAL IN HIGH-PRESSURE DEVICES

#41
20060175567
2006-08-10

Combined piston ring and staged leak-off sealing of valve stem