ClassID:

142712

F04B9/08 - CPC Classification

Classification description:

Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid

Sub-classes:
Recent Application in this class:
#1
20250067287
2025-02-27

PISTON LIMIT SENSING FOR FLUID APPLICATION

#2
20240151217
2024-05-09

DEVICE AND METHOD FOR CONTROLLED SUPPLY OF HIGH-PRESSURE FLUID

#3
20200363017
2020-11-19

Inflow device

#4
20190383279
2019-12-19

FLUID PUMPS AND RELATED SYSTEMS AND METHODS

#5
20190072118
2019-03-07

Piston limit sensing for fluid application

#6
20190003473
2019-01-03

Systems and methods for controlling multi-chamber subsea pumps

#7
20180250699
2018-09-06

Ejection device

#8
20170241350
2017-08-24

Gaseous fuel pumping system

#9
20170107780
2017-04-20

Method for increasing subsea accumulator volume

#10
20160222985
2016-08-04

Method and system for injecting a process fluid using a high pressure drive fluid

#11
20160169223
2016-06-16

Linear displacement pump with position sensing and related systems and methods

#12
20150369227
2015-12-24

Ribbon Transducer and Pump Apparatuses, Methods and Systems

#13
20150337829
2015-11-26

Adjustment device for a hydrostatic piston machine, and hydrostatic axial piston machine

#14
20140311334
2014-10-23

Piston pump and motor

#15
20140015378
2014-01-16

Ribbon transducer and pump apparatuses, methods and systems

#16
20130287598
2013-10-31

Gas compression system

#17
20130183169
2013-07-18

Propulsion and motion-transmission assembly, in particular for a rotary-wing aircraft

#18
20130164156
2013-06-27

Pump for delivering a product, comprising a piston sliding in the metering chamber

#19
20120305258
2012-12-06

Method for increasing subsea accumulator volume

#20
20120128506
2012-05-24

MULTICHAMBER AND MOTOR PUMPS WITH SEVERAL CHAMBERS PER MOTOR PUMP

#21
20120017851
2012-01-26

Geared boiler feed pump drive

#22
20110114053
2011-05-19

Actuator powered by fluid and method of forming the same

#23
20090145128
2009-06-11

Geared boiler feed pump drive

#24
20050238507
2005-10-27

FLUID DELIVERY DEVICE