ClassID:

142823

F04B23/028 - CPC Classification

Classification description:

Pumping installations or systems having reservoirs the pump being located directly adjacent the reservoir the pump being mounted on top of the reservoir

Recent Application in this class:
#1
20260139693
2026-05-21

HAND TOOL POWERED HYDRAULIC FLUID PUMP DEVICE

#2
20250345817
2025-11-13

ALL-PLASTIC RECYCLABLE PRESSING PUMP

#3
20250283456
2025-09-11

SECONDARY SUMP PUMP SHELF SYSTEM

#4
20250270985
2025-08-28

BUFFERED PUMP SYSTEM

#5
20240287975
2024-08-29

ELECTRICALLY ACTUATED PUMP

#6
20240167468
2024-05-23

PUMPS IN SERIAL CONNECTION

#7
20240141880
2024-05-02

BATTERY-OPERATED RECIPROCATING PUMP FOR LUBRICANTS

#8
20230332586
2023-10-19

Liquid Feeding Pump and Liquid Feeding Method

#9
20230193888
2023-06-22

Electrically actuated pump

#10
20230092170
2023-03-23

All Plastic High Pressure Pump

#11
20230062722
2023-03-02

BUFFERED PUMP SYSTEM

#12
20220389917
2022-12-08

Electrically actuated pump

#13
20220372958
2022-11-24

PUMP CONTAINER

#14
20220341541
2022-10-27

Supply system comprising container for fluid and pump

#15
20220228583
2022-07-21

Liquid dispensing

#16
20220136491
2022-05-05

Double-acting reciprocating pump assembly for use in conjunction with a melter

#17
20220133095
2022-05-05

Foaming soap dispensers

#18
20210372387
2021-12-02

TRANSFER PUMP ASSEMBLY

#19
20210372386
2021-12-02

TRANSFER PUMP

#20
20210372383
2021-12-02

Pump control system and method

#21
20210371268
2021-12-02

Spout assembly for a pump

#22
20210164457
2021-06-03

PUMP APPARATUS

#23
20210131414
2021-05-06

Machine tool system having compact air compressor

#24
20210037806
2021-02-11

SPRAYING APPARATUS

#25
20200406277
2020-12-31

Buffered pump system

#26
20200399997
2020-12-24

Rod pump having a hydraulic cylinder and a variable speed reversible motor-generator

#27
20200383528
2020-12-10

Foaming soap dispensers

#28
20200264679
2020-08-20

Pressurized infusion device and liquid cooling system

#29
20190368476
2019-12-05

Piston-valve engagement in fluid sprayers

#30
20190367352
2019-12-05

Device for conveying viscous material

#31
20190322521
2019-10-24

Device and method for conveying viscous material

#32
20190293059
2019-09-26

Foam pump and dispenser employing same

#33
20190101112
2019-04-04

Portable foodstuff container

#34
20190075978
2019-03-14

Cartridge for pump assembly carrying rasp

#35
20190060930
2019-02-28

PUMP SYSTEMS, PUMP ENGINES AND METHODS OF MAKING THE SAME

#36
20190054485
2019-02-21

Pump for under counter dispensing system

#37
20190029448
2019-01-31

Pump operated lid

#38
20190024645
2019-01-24

Method to form impulse jet

#39
20190022813
2019-01-24

Coolant supply device

#40
20180360276
2018-12-20

Foaming soap dispensers

#41
20180333546
2018-11-22

Essential oils diffuser

#42
20180320674
2018-11-08

Hydraulic device

#43
20180291882
2018-10-11

Disposable pump chamber for an infusion pump

#44
20180185866
2018-07-05

Pump dispenser

#45
20180184856
2018-07-05

Dosing device with fluid-side module and a dry module

#46
20180099068
2018-04-12

Diffusing apparatus and methods

#47
20180078958
2018-03-22

Pump for under counter dispensing system

#48
20180071761
2018-03-15

Piston engaging with valve for self-priming in fluid sprayers

#49
20180056313
2018-03-01

Hand pump

#50
20180051681
2018-02-22

PUMP ASSEMBLY FOR SPRAYING APPARATUS

#51
20180035848
2018-02-08

Cartridge for pump assembly carrying rasp

#52
20180030966
2018-02-01

DEVICE OF GREASE GUN

#53
20180017051
2018-01-18

Manual pump

#54
20170356438
2017-12-14

PORTABLE FLUID PUMP SYSTEM

#55
20170351305
2017-12-07

Pressurized infusion device and liquid cooling system

#56
20170328361
2017-11-16

Fluid Pump

#57
20170313296
2017-11-02

BRAKE FLUID FEEDING DEVICE

#58
20170265691
2017-09-21

Valvular conduit

#59
20170246648
2017-08-31

Pump for a receptacle, in particular a bottle for a cosmetic product, and a dispensing device comprising such a pump

#60
20170197227
2017-07-13

Pump systems, pump engines, and methods of making the same

#61
20170197226
2017-07-13

Pump systems, pump engines, and methods of making the same

#62
20170160113
2017-06-08

Free-jet dosing system

#63
20170136478
2017-05-18

PUMP CONTAINER FOR DISCHARGING CAPSULES

#64
20170082095
2017-03-23

Pumping device

#65
20170074254
2017-03-16

Vacuum-driven fluid delivery device with controlled vacuum pressure release

#66
20160377074
2016-12-29

Runaway valve system for a pump

#67
20160341186
2016-11-24

Hydraulic double-acting hand pump

#68
20160333874
2016-11-17

Foam pump and dispenser employing same

#69
20160281692
2016-09-29

Reciprocating pumps

#70
20160256015
2016-09-08

Pump assembly carrying rasp

#71
20160242528
2016-08-25

Manually operated pump with a first actuation element

#72
20160136669
2016-05-19

Lid-pump assembly

#73
20150354355
2015-12-10

Adaptation of a hydraulic motor

#74
20150322970
2015-11-12

Pressurized liquid lifting device and liquid lifting method

#75
20140352829
2014-12-04

CONNECTING SEAT STRUCTURE FOR GUIDE MOUTH OF CONTAINER

#76
20140322052
2014-10-30

WEFT INSERTION PUMP FOR WATER JET LOOM

#77
20140183229
2014-07-03

Pumping device for a fluid container

#78
20140091106
2014-04-03

Adaptive preload pump

#79
20130243630
2013-09-19

Reciprocating pumps and related methods

#80
20130243609
2013-09-19

Lance pump having vertically mounted stepper motor

#81
20130156621
2013-06-20

Lance pump with a ram

#82
20130092262
2013-04-18

Pumping device for sucking or draining fluid

#83
20120291876
2012-11-22

PORTABLE PUMPING APPARATUS FOR CONCURRENTLY PUMPING LIQUID FROM A SOURCE CONTAINER TO A DESTINATION CONTAINER AND PUMPING VAPOR FROM THE DESTINATION CONTAINER TO THE SOURCE CONTAINER

#84
20120257992
2012-10-11

Air compressor

#85
20120227863
2012-09-13

Portable fluid exchange system for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container

#86
20120220929
2012-08-30

Injection arrangement

#87
20120197233
2012-08-02

Injection arrangement

#88
20120160874
2012-06-28

PACKAGING AND DISPENSING DEVICE INCLUDING A MINIATURE ELECTRIC PUMP

#89
20120003111
2012-01-05

Mechanical system for movement along a housing axis

#90
20110173966
2011-07-21

Hydraulic aggregate

#91
20110091330
2011-04-21

Condensate Removal Pump Controller Using Acoustic Liquid Level Sensor

#92
20110064587
2011-03-17

LOW WASTE PUMP FOLLOWER

#93
20100050439
2010-03-04

Utensil

#94
20090292247
2009-11-26

Peristaltic micropump with exchangeable pump head

#95
20090194192
2009-08-06

Portable fluid exchange system for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container

#96
20090162214
2009-06-25

Portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container

#97
20070261741
2007-11-15

HYDRAULIC UNIT

#98
20070228077
2007-10-04

LOW PROFILE PUMP AND LID ASSEMBLY FOR A STACKABLE CONTAINER

#99
20070039978
2007-02-22

Emptying device

#100
20060000757
2006-01-05

Hydraulic unit for industrial trucks

#101
18204516
2026-01-13

Reciprocating molten metal pump

#102
16550395
2021-01-12

Utility bucket lid

#103
15185207
2018-10-30

Impulse pump