ClassID:

151846

F16J15/186 - CPC Classification

Classification description:

Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings; Tightening mechanisms with continuous adjustment of the compression of the packing using springs

Recent Application in this class:
#1
20240288073
2024-08-29

CONTROL VALVE UNIT

#2
20240068595
2024-02-29

VALVE PACKING APPARATUS AND RELATED METHODS

#3
20230106630
2023-04-06

Stem seals with triangular rings

#4
20220228675
2022-07-21

Valve packing having independently loaded packing rings

#5
20220018462
2022-01-20

Stem seals with triangular rings

#6
20210301931
2021-09-30

Methods and apparatus to load a valve packing

#7
20200355273
2020-11-12

Piston rod seal

#8
20200318738
2020-10-08

Methods and apparatus for sealing of metals

#9
20200256469
2020-08-13

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

#10
20190128429
2019-05-02

Packing apparatus and related methods to identify proper loading for valve packing

#11
20190024804
2019-01-24

Seal assemblies for use with fluid valves

#12
20180306325
2018-10-25

SEAL RING

#13
20180119819
2018-05-03

Seal structure of regulating valve gland portion

#14
20170292606
2017-10-12

Seal assembly for a valve stem

#15
20160131131
2016-05-12

Wiper seal assemblies for a reciprocating pump and methods relating thereto

#16
20150240586
2015-08-27

Well Tools Having Energized Seals

#17
20140339450
2014-11-20

Compressible packing live loading apparatus

#18
20130333554
2013-12-19

Seal assembly for use in harsh environments

#19
20130299008
2013-11-14

Low diffusivity barrier fluid packing system

#20
20130287552
2013-10-31

Spring biased sealing method for an actuating shaft

#21
20120285676
2012-11-15

Pressure energized interference fit seal

#22
20120025119
2012-02-02

Anti-extrusion packing support

#23
20100253007
2010-10-07

Zero emissions reciprocating pump

#24
20100199661
2010-08-12

Control valve for a stirling engine

#25
20100199660
2010-08-12

Pressure equalization system for a stirling engine

#26
20100199659
2010-08-12

Piston Assembly for a Stirling Engine

#27
20100199658
2010-08-12

Rod seal assembly for a stirling engine

#28
20080042369
2008-02-21

STUFFING BOX WITH WEAR INDICATOR

#29
20070296161
2007-12-27

Seal, Sealing System, and Method for Sealing

#30
20070200079
2007-08-30

Valve packing removal device

#31
20050126186
2005-06-16

Axial loaded seal system with a static L-seal

#32
20050098960
2005-05-12

Sealing arrangement

#33
20050023497
2005-02-03

Valve packing removal device