ClassID:

248662

Y10T137/2934 - CPC Classification

Classification description:

Fluid handling; Diverse fluid containing pressure systems Gas lift valves for wells

Recent Application in this class:
#1
20250376917
2025-12-11

ROBUST GAS LIFT VALVE SUITABLE FOR USE IN HARSH ENVIRONMENTS

#2
20250179899
2025-06-05

INJECTION PRESSURE OPERATED GAS LIFT VALVE AND METHODS OF USE

#3
20240426197
2024-12-26

Robust gas lift valve suitable for use in harsh environments with multiple seals

#4
20240376808
2024-11-14

Gas Lift Valve Remanufacturing Process and Apparatus Produced Thereby

#5
20240309738
2024-09-19

DUAL DIRECTION LIFT GAS VALVE WITH CAVITATION PREVENTION

#6
20240271510
2024-08-15

Robust Gas Lift Valve Suitable for Use in Harsh Environments

#7
20240026761
2024-01-25

Dual direction lift gas valve with cavitation prevention

#8
20230258061
2023-08-17

Gas lift valve remanufacturing process and apparatus produced thereby

#9
20220307354
2022-09-29

Gas lift valve with two simultaneous mechanical stops

#10
20210340848
2021-11-04

Gas lift valve with dual fortress seal

#11
20170089155
2017-03-30

Drilling system and method of operating a drilling system

#12
20150167415
2015-06-18

Drilling system and method of operating a drilling system

#13
20140076579
2014-03-20

Gas lift valve with mixed bellows and floating constant volume fluid chamber

#14
20130032226
2013-02-07

Gas lift valve having edge-welded bellows and captive sliding seal

#15
20120260991
2012-10-18

Ball valve safety plug

#16
20120247780
2012-10-04

Thermally-actuated gas lift safety valve

#17
20120186662
2012-07-26

Gas lift nozzle valve

#18
20110180267
2011-07-28

Battery-Powered and Logic-Controlled Gas Lift Valve for Use in Wells and Methods of Using and Making Same

#19
20110132593
2011-06-09

Bypass gaslift system, apparatus, and method for producing a multiple zones well

#20
20110094501
2011-04-28

Solar pump systems and related methods

#21
20100096142
2010-04-22

Gas-lift valve and method of use

#22
20080149187
2008-06-26

PILOTING ACTUATOR VALVE FOR SUBTERRANEAN FLOW CONTROL

#23
20070235197
2007-10-11

Gas lift chamber purge and vent valve and pump systems

#24
20070227739
2007-10-04

Gas lift valve for high pressure operation

#25
20070181312
2007-08-09

Barrier orifice valve for gas lift

#26
20070175641
2007-08-02

Method and apparatus for lifting liquids from gas wells

#27
20070107718
2007-05-17

Solar pump systems and related methods

#28
20060043683
2006-03-02

Piloting actuator valve for subterranean flow control

#29
20050155769
2005-07-21

Method and apparatus for lifting liquids from gas wells

#30
20050135944
2005-06-23

Gas turbine for oil lifting

#31
20050126632
2005-06-16

Beverage modification system

#32
20050061369
2005-03-24

Mandrel for a gas lift valve

#33
15132539
2016-08-30

Modular check valve system

#34
14322483
2016-09-27

Self-stabilizing gas lift valve