ClassID:

142928

F04B33/00 - CPC Classification

Classification description:

Pumps actuated by muscle power, e.g. for inflating

Sub-classes:
Recent Application in this class:
#1
20260092599
2026-04-02

PUMPING DEVICE

#2
20250290498
2025-09-18

INFLATION BULB

#3
20250230804
2025-07-17

INFLATION APPARATUS

#4
20250223953
2025-07-10

Inflator with Upper Cover Showing Pressure Value

#5
20250092866
2025-03-20

AIR PUMP WITH PRESSURE INDICATION

#6
20250075628
2025-03-06

PORTABLE FOOT PUMP OPERATED ELECTRIC POWER SOURCE

#7
20250035098
2025-01-30

NOVEL SINGLE-MATERIAL HAND PUMP

#8
20240384713
2024-11-21

Portable Air Pump

#9
20240384712
2024-11-21

PORTABLE AIR PUMP

#10
20240175432
2024-05-30

Anti-pinch handle for air pump

#11
20240108150
2024-04-04

FOOT PUMP AND INFLATABLE BED COMPRISING SAME

#12
20230417232
2023-12-28

Easy-To-Assemble Floor Pump

#13
20230407857
2023-12-21

Floor pump

#14
20230204085
2023-06-29

Elastic member and pump assembly including the same

#15
20230160377
2023-05-25

Floor pump

#16
20230117392
2023-04-20

COMPACT HAND PUMP

#17
20230063721
2023-03-02

Impact Absorption Elements, Systems, and Methods of Use

#18
20220380110
2022-12-01

Vacuum sealable container with internal pump mechanism

#19
20220268529
2022-08-25

Thermal control system

#20
20220268263
2022-08-25

Gas-filling device

#21
20220228584
2022-07-21

EASY-TO-ASSEMBLE AIR PUMP

#22
20220154712
2022-05-19

Vacuum pump

#23
20220145870
2022-05-12

Hand grip mechanism, drive mechanism, and air pump

#24
20220049688
2022-02-17

Variable-pressure air pump

#25
20220034312
2022-02-03

Air compression pump

#26
20210361054
2021-11-25

Inflation system and device

#27
20210340971
2021-11-04

Elastic member and pump assembly including the same

#28
20210324841
2021-10-21

Suction pump and negative-pressure retaining device having a suction pump, and method for attaching a negative-pressure retaining device

#29
20210254610
2021-08-19

Three-stage compression air pump

#30
20210253212
2021-08-19

Combination paddle and pump

#31
20210239227
2021-08-05

Air inflation device having rotatable pressure gauge

#32
20210215262
2021-07-15

Air inflation device

#33
20210082786
2021-03-18

Electrohydrodynamic control device

#34
20210061536
2021-03-04

Vacuum sealable container with internal pump mechanism

#35
20200378376
2020-12-03

Hand air pump handle assembly and hand air pump

#36
20200300232
2020-09-24

Inflator

#37
20200288691
2020-09-17

Fishing Bait Inflator and Method of Using the Same

#38
20200261936
2020-08-20

Liquid storage tank upper cover assembly of drawing or adding liquid machine and drawing or adding liquid machine

#39
20200248679
2020-08-06

Air-bag type inflating device

#40
20200224648
2020-07-16

Portable air pump with rapid inflation

#41
20200217312
2020-07-09

SQUEEZE-TYPE PUMP

#42
20200173428
2020-06-04

Foot pump and stow system

#43
20200102941
2020-04-02

Apparatus to prevent side load in hydraulic override pumps

#44
20190346052
2019-11-14

Portable inflation device

#45
20190277272
2019-09-12

Manual dual-directional inflating device

#46
20190277271
2019-09-12

Manual dual-directional inflating device

#47
20190257303
2019-08-22

Collapsing beam pump

#48
20190257299
2019-08-22

Pump for a Two Wheeler Tire

#49
20190195217
2019-06-27

Vacuum pump

#50
20190128255
2019-05-02

Air pump device

#51
20190126105
2019-05-02

Inflation needle

#52
20190037302
2019-01-31

Human-ear-wearable apparatus, system, and method of operation

#53
20180340528
2018-11-29

Hand pump with detachable air storage tank

#54
20180340524
2018-11-29

Hand pump with air storage tank

#55
20180335026
2018-11-22

SMART PUMP

#56
20180320675
2018-11-08

Inflating device

#57
20180298889
2018-10-18

Manual pump

#58
20180289056
2018-10-11

Smoking apparatus with a pump and a method of using same

#59
20180238310
2018-08-23

Bicycle pump

#60
20180199623
2018-07-19

Smoking apparatus with a pump and a method of using same

#61
20180135611
2018-05-17

Protected air inlet for an air pump with a pressure gauge

#62
20180119684
2018-05-03

Floor pump

#63
20180100499
2018-04-12

Pump operable in one of quick pumping mode and high-pressure pumping mode selectively

#64
20180066641
2018-03-08

INFLATABLE TOY AND INFLATION DEVICE

#65
20180064536
2018-03-08

Inflatable penile prosthesis with reversible flow pump

#66
20180058617
2018-03-01

Pump head of air pump

#67
20180045189
2018-02-15

System and method for processor-based security

#68
20180038361
2018-02-08

Air pump with retractable needle and/or method of making the same

#69
20180030975
2018-02-01

INFLATING DEVICE

#70
20180030974
2018-02-01

Vacuum sealable container with internal pump mechanism

#71
20180010695
2018-01-11

Air valve connecting device having pivotal actuating knob

#72
20180010592
2018-01-11

Inflation Device

#73
20180000627
2018-01-04

Vacuum splint apparatus for accessing the neck of a patient and method for using the same

#74
20170295860
2017-10-19

Inflatable garment with lightweight air pump and method of use

#75
20170292511
2017-10-12

COMPRESSIBLE AIR PUMP

#76
20170276278
2017-09-28

Attachment for air valve

#77
20170261007
2017-09-14

Hand pump with air storage tank

#78
20170254319
2017-09-07

Air pump having concealed pressure gauge

#79
20170232353
2017-08-17

Balloon holder

#80
20170167477
2017-06-15

Bicycle pump

#81
20170165733
2017-06-15

Dent removing apparatus

#82
20170156912
2017-06-08

Vacuum splint apparatus and method for using the same

#83
20170145993
2017-05-25

PUMPING DEVICE

#84
20170114781
2017-04-27

Two-way hand-drawn pneumatic cylinder piston

#85
20170107980
2017-04-20

Inflating device

#86
20170106115
2017-04-20

No-drip volatile substance delivery system

#87
20170097018
2017-04-06

Pumping device for sucking or draining fluid

#88
20170071424
2017-03-16

Inflatable Wedge toilet seat lift

#89
20170067458
2017-03-09

HAND PUMP FOR PUMPING AIR OF LOWER PRESSURE AND HIGH PRESSURE

#90
20160310801
2016-10-27

Detachable ball inflation and deflation device

#91
20160308471
2016-10-20

Strain gauge pump control switch

#92
20160246736
2016-08-25

System and method for processor-based security

#93
20160231185
2016-08-11

Air pump with pressure gauge having indicators on different sides and movable between use positions thereof

#94
20160108907
2016-04-21

Dual-gauge air pump

#95
20160097409
2016-04-07

Adapter assembly for an inflating device

#96
20160090977
2016-03-31

Structure of trigger-boosting pulling device

#97
20160088896
2016-03-31

PUMPED AIR COOLING SHOE SYSTEM AND METHOD

#98
20160017879
2016-01-21

Manual piston air pump having high flow electric rotary pump

#99
20160010637
2016-01-14

Air Pump with Low Pressure Gauge Protective Device

#100
20160010608
2016-01-14

Automobile fuel system pressurization apparatuses and methods

#101
20150367301
2015-12-24

Vacuum mixing system and method for the mixing of polymethylmethacrylate bone cement

#102
20150337976
2015-11-26

Dual-purpose tire inlet valve connector

#103
20150330377
2015-11-19

HAND PUMP HAVING ELECTRIC GENERATOR

#104
20150316042
2015-11-05

HAND PUMP HAVING ELECTRIC GENERATOR

#105
20150231656
2015-08-20

Pump suction/expulsion for liquids and gases versatile

#106
20150110646
2015-04-23

Floor pump capable of transmitting air pressure value via wireless transmission to mobile electronic device for indication

#107
20150110645
2015-04-23

Portable pump capable of transmitting air pressure value via wireless transmission to mobile electronic device for indication

#108
20150093268
2015-04-02

Foot operated snivel suction device

#109
20150052855
2015-02-26

Vacuum apparatus

#110
20150017026
2015-01-15

Structure of pump

#111
20140356191
2014-12-04

Tamper resistant hand-operated pneumatic pump

#112
20140271241
2014-09-18

Single cylinder treadle pump

#113
20140241922
2014-08-28

Structure of simplified inflation valve

#114
20140144525
2014-05-29

Pressure relief valve

#115
20140093410
2014-04-03

MULTI-PURPOSE LARGE CAPACITY PUMP

#116
20140090553
2014-04-03

Foldable handle for hand pump

#117
20130333157
2013-12-19

Handheld nozzle cleaning apparatus

#118
20130330212
2013-12-12

Operating handle assembly for hand air pump

#119
20130206249
2013-08-15

Air valve connector for connecting different valves

#120
20130186266
2013-07-25

AIR PUMP

#121
20130183180
2013-07-18

Sliding inflator with inner and outer cylinders

#122
20130133231
2013-05-30

Shoe with integral pump

#123
20130126771
2013-05-23

Attachment for different air valves

#124
20130123941
2013-05-16

Prosthetic knee joint with incorporated vacuum pump

#125
20130101453
2013-04-25

Compact manual pump having selectable low pressure and high pressure pumping modes

#126
20130087228
2013-04-11

Air passageway switchable pump head for air pump

#127
20130052052
2013-02-28

Inflating pump with auxiliary knotting functions

#128
20130037766
2013-02-14

Hand-operating vacuum pulling device

#129
20130008130
2013-01-10

VACUUM PUMP AND VACUUM CONTAINER HAVING THE SAME

#130
20120308418
2012-12-06

Leak-Preventing Device for a Pump

#131
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

#132
20120275944
2012-11-01

Airflow passage structure of manual pump of fluid-pumping apparatus

#133
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

#134
20120171048
2012-07-05

ELECTRONIC DEVICE WITH MINIATURE HEAT DISSIPATING STRUCTURE

#135
20120152108
2012-06-21

AIR PUMP

#136
20120134852
2012-05-31

Venturi tube assembly and manual/pneumatic pump including the venturi tube assembly

#137
20120123559
2012-05-17

PUMP COMPRISING A MOVING WALL AND USE OF A PUMP OF THIS TYPE

#138
20120107161
2012-05-03

Pumping device that is operated easily and safely

#139
20120107146
2012-05-03

Pumping device having a pressure adjustable function

#140
20120073702
2012-03-29

INFLATION KIT

#141
20120063930
2012-03-15

Manual/pneumatic pump structure

#142
20120031448
2012-02-09

Outdoor equipment

#143
20110293454
2011-12-01

STRUCTURE OF AIR BLADDER PUMPING DEVICE

#144
20110240153
2011-10-06

Low fuel permeation primer bulb

#145
20110116956
2011-05-19

HAND PUMP FOR PUMPING FLUID

#146
20110100208
2011-05-05

Air pump producing high pressure

#147
20110064589
2011-03-17

Air pump set

#148
20110030819
2011-02-10

Aerating bag

#149
20100326987
2010-12-30

Vacuum packaging in containers provided with an air-tight closing lid

#150
20100307603
2010-12-09

Gas Pump with Limiting Pressure Feature

#151
20100290931
2010-11-18

HAND-ACTUATED PUMP

#152
20100281273
2010-11-04

System and method for processor-based security

#153
20100272590
2010-10-28

MOTORIZED VACUUM/PRESSURE PUMP AND STOPPER

#154
20100150758
2010-06-17

AIR PUMP

#155
20100098557
2010-04-22

Hand operated pump

#156
20100050439
2010-03-04

Utensil

#157
20090297365
2009-12-03

FOOT AIR-EXTRACTING AND INFLATING MACHINE

#158
20090285697
2009-11-19

High pressure, multiple-stage air pump with valve body inlet port arrangement

#159
20090269229
2009-10-29

Pump for drawing fluid

#160
20090238702
2009-09-24

Food storage bag vacuum pump

#161
20090209823
2009-08-20

Automatic retractable syringe

#162
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

#163
20090175747
2009-07-09

Manual evacuation system

#164
20090162229
2009-06-25

PUMP STRUCTURE CONNECTABLE WITH AN AIR CUSHION OR A BLADDER

#165
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

#166
20090162211
2009-06-25

Strain gauge pump control switch

#167
20090155109
2009-06-18

AIR EXTRACTOR PUMP FOR WATERBEDS

#168
20090155098
2009-06-18

Pump structure connectable with an air cushion or a bladder

#169
20090107579
2009-04-30

Loading system

#170
20080314932
2008-12-25

Pumping dispenser for viscous liquids

#171
20080304987
2008-12-11

Bladder-Inflating Structure

#172
20080267800
2008-10-30

Reciprocating Pump

#173
20080230144
2008-09-25

Pumps for vacuum containers

#174
20080219859
2008-09-11

Automatic pressure-relieving apparatus for suction pump

#175
20080199336
2008-08-21

Outdoor Equipment

#176
20080170949
2008-07-17

Manually operated vacuum pump and refill device

#177
20080135126
2008-06-12

MOTORIZED VACUUM/PRESSURE MARINATING FOOD AND STORAGE CONTAINER

#178
20080131567
2008-06-05

VACUUM SEALABLE COFFEE AND MARINATING FOOD STORAGE CONTAINER

#179
20080072540
2008-03-27

Method and apparatus for filling inflatables

#180
20080050254
2008-02-28

Dual action air pump

#181
20080047629
2008-02-28

Manually driven transfer pump for liquefied gases

#182
20080041457
2008-02-21

Co-axial pressure relief device for air inflator

#183
20080034960
2008-02-14

Air pump

#184
20070221056
2007-09-27

Two-stage hand pump

#185
20070196222
2007-08-23

Pump comprising a moving wall and use of a pump of this type

#186
20070173763
2007-07-26

Motorized vacuum/pressure pump and stopper

#187
20070113893
2007-05-24

Pressurizing liquid delivery device

#188
20070071623
2007-03-29

Pump structure easily and quickly connectable with an air cushion or a bladder

#189
20070048149
2007-03-01

Oil suction pump

#190
20070023365
2007-02-01

Pumping device

#191
20070006643
2007-01-11

Air pump with a manometer received therein

#192
20060222540
2006-10-05

ROBUST MANUAL PUMP

#193
20060198745
2006-09-07

Hand-operated inflator

#194
20060127254
2006-06-15

Hydraulic hand pump

#195
20060070184
2006-04-06

Portable air inflatable device

#196
20060045780
2006-03-02

Outlet check valve for fluid bladders

#197
20060027608
2006-02-09

Liquid pumping device

#198
20050244293
2005-11-03

Vacuum canister

#199
20050124445
2005-06-09

Avoidance of resonance in the inflatable sport ball by limiting the critical ratio

#200
20050106050
2005-05-19

Hand pump with pressure release mechanism and system of use

#201
20050074342
2005-04-07

Motorized vacuum/pressure pump and stopper

#202
20050042123
2005-02-24

Apparatus for inflating and deflating

#203
18809401
2025-11-11

Inflator

#204
16826173
2020-11-17

Tabletop inflation system

#205
16735799
2021-11-16

Hand-operated air pump

#206
15992466
2020-02-04

Mopping device

#207
15804486
2020-07-21

Hand-operated oil pump