Patents-Review.com
ClassID:

143085 ⎘

F04B45/041 - CPC Classification

Classification description:

Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms double acting plate-like flexible pumping member

Recent Application in this class:
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20210332812
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High-pressure positive displacement plunger pump

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20190184776
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 #12
20190093651
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DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

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20180258923
2018-09-13

Micro pump systems and processing techniques

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20180238320
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MINIATURE GAS TRANSPORTATION DEVICE

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20180238319
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PIEZOELECTRIC FAN DRIVING DEVICE

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20180223829
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20180187668
2018-07-05

Micropump with electrostatic actuation

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20180135615
2018-05-17

Miniature vacuum/pressure diaphragm pumps with noise mitigation boot

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20170143172
2017-05-25

Foam dispensing systems, pumps and refill units having high air to liquid ratios

 #20
20170058884
2017-03-02

Blower

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20170058883
2017-03-02

Membrane vacuum pump

 #22
20170045247
2017-02-16

Multi-pulse jet generator and air conditioner having same

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20160348665
2016-12-01

High frequency oscillator ventilator

 #24
20160108904
2016-04-21

Pulseless positive displacement pump and method of pulselessly displacing fluid

 #25
20150226207
2015-08-13

Hydraulic drive system for a pulseless positive displacement pump

 #26
20150226205
2015-08-13

Mechanical drive system for a pulseless positive displacement pump

 #27
20150226192
2015-08-13

Electric drive system for a pulseless positive displacement pump

 #28
20150152859
2015-06-04

Heat dissipation device

 #29
20150152858
2015-06-04

Heat dissipation module

 #30
20150071797
2015-03-12

Blower

 #31
20150023821
2015-01-22

Disc pump with advanced actuator

 #32
20070215150
2007-09-20

Inhalation therapy device compressor

 #33
20070101999
2007-05-10

High frequency oscillator ventilator

 #34
20060159568
2006-07-20

Device for generating a medium stream