Patents-Review.com
ClassID:

144405 ⎘

F04F1/20 - CPC Classification

Classification description:

Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium being mixed with, or generated from the liquid to be pumped specially adapted for raising liquids from great depths, e.g. in wells

Recent Application in this class:
#1
20260146517
2026-05-28

GAS SPARGER HEAD FOR AIRLIFT GEOTHERMAL SYSTEMS

 #2
20250067281
2025-02-27

BRINE DISPERSAL SYSTEM

 #3
20250020144
2025-01-16

METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE

 #4
20230416125
2023-12-28

HIGH-EFFICIENCY AIRLIFT PUMP

 #5
20230407887
2023-12-21

Submerged reverse osmosis system

 #6
20230184264
2023-06-15

Methods and apparati for quickset gas lift separation and liquid storage

 #7
20230175365
2023-06-08

GAS SPARGER HEAD FOR AIRLIFT GEOTHERMAL SYSTEMS

 #8
20220290694
2022-09-15

PNEUMATIC FLUID PUMP WITH DUAL ROTATIONAL SWIRLING CLEANING ACTION

 #9
20220260092
2022-08-18

Brine dispersal system

 #10
20220260091
2022-08-18

Brine dispersal system

 #11
20220170485
2022-06-02

Methods and apparati for quickset gas lift separation and liquid storage

 #12
20220074431
2022-03-10

Submerged reverse osmosis system

 #13
20210355967
2021-11-18

Air lift pump

 #14
20210239135
2021-08-05

Methods and apparati for quickset gas lift separation and liquid storage

 #15
20210131240
2021-05-06

Hydraulic Jet Pump and Method for Use of Same

 #16
20210115768
2021-04-22

Landfill well pump

 #17
20210010354
2021-01-14

Horizontal wellbore separation system and method

 #18
20200399998
2020-12-24

HORIZONTAL WELLBORE PUMP SYSTEM AND METHOD

 #19
20200339456
2020-10-29

HIGH-EFFICIENCY AIRLIFT PUMP

 #20
20200209092
2020-07-02

Sump Pump Tracking Device

 #21
20200109723
2020-04-09

METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE

 #22
20200031691
2020-01-30

Brine dispersal system

 #23
20200011349
2020-01-09

Methods and apparati for quickset gas lift separation and liquid storage

 #24
20200003232
2020-01-02

Submerged reverse osmosis system

 #25
20190003150
2019-01-03

Liquid pump with a passive filtration system for dredging and water filtration

 #26
20180163715
2018-06-14

Non-beam pumping unit driven by a biaxial motor

 #27
20180017459
2018-01-18

Sump pump tracking device

 #28
20180003196
2018-01-04

Fluid energizing device

 #29
20150184677
2015-07-02

Airlift pump

 #30
20140360732
2014-12-11

Bottle chamber gas lift systems, apparatuses, and methods thereof

 #31
20140169989
2014-06-19

Bubble lift system and bubble lift method

 #32
20130160688
2013-06-27

Gas lift pump apparatus with ultrasonic energy generator and method

 #33
20110067883
2011-03-24

Jet pump and multi-string tubing system for a fluid production system and method

 #34
20100230107
2010-09-16

Jet pump for use with a multi-string tubing system and method of using the same for well clean out and testing

 #35
20080237147
2008-10-02

SYSTEMS AND METHODS FOR EXTRACTING AND PURIFYING WATER FROM GROUNDWATER SOURCES

 #36
20070231158
2007-10-04

Artificial lift with additional gas assist

 #37
20060196674
2006-09-07

Artificial lift with additional gas assist

 #38
20050047926
2005-03-03

Artificial lift with additional gas assist