ClassID:

143492

F04C13/00 - CPC Classification

Classification description:

Adaptations of machines or pumps for special use, e.g. for extremely high pressures

Sub-classes:
Recent Application in this class:
#1
20260043401
2026-02-12

MULTIPHASE PUMPING SYSTEM

#2
20240301878
2024-09-12

SPRING RETAINER FOR GEAR PUMP BEARING PLATE

#3
20240052831
2024-02-15

Rotary positive displacement pump with a guard

#4
20230392594
2023-12-07

Cartridge system and eccentric screw pump

#5
20230204030
2023-06-29

Rotary Pump Conversion Unit for a Drywall Pump

#6
20230175503
2023-06-08

Spring retainer for gear pump bearing plate

#7
20210404467
2021-12-30

Pump comprising an attached gasket

#8
20210404466
2021-12-30

Pump comprising an axially acting spring gasket

#9
20210301825
2021-09-30

Rotary fluid flow device

#10
20210285442
2021-09-16

Electric pump actuator, stepless transmission with electric pump actuator and control method for an electric pump actuator

#11
20210071661
2021-03-11

Liquid pumping device with concave caves and convex liquid extruding component

#12
20200370555
2020-11-26

VOLUMETRIC DOSING PUMP AND DOSING SYSTEM COMPRISING AT LEAST ONE OF SUCH PUMPS

#13
20190331111
2019-10-31

Device for wetting a plurality of threads, and metering pump for such a device

#14
20190271317
2019-09-05

Rotary fluid flow device

#15
20180274537
2018-09-27

Pump for dispensing liquid or semi-liquid or semi-solid food products and machine comprising said pump

#16
20180272302
2018-09-27

Biomass cake pressure-feeding apparatus

#17
20180238326
2018-08-23

A STATOR OF A ROTARY VANE-TYPE PUMP

#18
20180213806
2018-08-02

Mass supply system

#19
20180213805
2018-08-02

MASS SUPPLY SYSTEM

#20
20180209419
2018-07-26

Fuel flow control assembly of aircraft engine and method

#21
20180100505
2018-04-12

Toy fluid pumping gun

#22
20180045197
2018-02-15

Systems and devices for pumping and controlling high temperature fluids

#23
20180043317
2018-02-15

Quick disconnect pump

#24
20170314556
2017-11-02

Balance shaft module

#25
20160302431
2016-10-20

Filling machine and method for monitoring the state of fouling in a vacuum system of a filling machine

#26
20160186750
2016-06-30

Distributor apparatus with a pair of intermeshing screw rotors

#27
20150275893
2015-10-01

Rotary piston pump having direct drive

#28
20150260183
2015-09-17

High pressure gear pump with dual wall housing

#29
20150247499
2015-09-03

Toy fluid pumping gun

#30
20150226046
2015-08-13

Wellbore desanding system

#31
20150050174
2015-02-19

Rotary piston pump with optimised inlets and outlets

#32
20140342072
2014-11-20

Mass supply system

#33
20140144942
2014-05-29

Adhesive melter having quick change pump pack assembly and associated methods

#34
20130294950
2013-11-07

On board inert gas generation system with rotary positive displacement compressor

#35
20130276889
2013-10-24

Methods for restricting backflow of solids in a pump assembly

#36
20120328463
2012-12-27

Split discharge vane pump and fluid metering system therefor

#37
20120295526
2012-11-22

Vacuum control in a vacuum filler without external air supply

#38
20120285992
2012-11-15

FOAM PUMP

#39
20120214364
2012-08-23

Ring boost propulsor

#40
20120197056
2012-08-02

Enhancement of surface-active solid-phase heterogeneous catalysts

#41
20110088796
2011-04-21

Control valve body with integrated pump for automatic transmissions

#42
20110075510
2011-03-31

Modular dye meter and method of preparing compounds

#43
20100329913
2010-12-30

Progressing cavity pump adapted for pumping of compressible fluids

#44
20100316507
2010-12-16

Split discharge vane pump and fluid metering system therefor

#45
20100209281
2010-08-19

Toy fluid pumping gun

#46
20100182809
2010-07-22

Electrical control circuits for an energy converting apparatus

#47
20100087695
2010-04-08

ENHANCEMENT OF SURFACE-ACTIVE SOLID-PHASE HETEROGENEOUS CATALYSTS

#48
20090087563
2009-04-02

COATING OF DISPLACER COMPONENTS (TOOTH COMPONENTS) FOR PROVIDING A DISPLACER UNIT WITH CHEMICAL RESISTANCE AND TRIBOLOGICAL PROTECTION AGAINST WEAR

#49
20090000680
2009-01-01

Blending pump assembly

#50
20070161452
2007-07-12

Limited slip differential with friction using a pressure generating device

#51
20070071625
2007-03-29

Blending pump assembly

#52
20070031308
2007-02-08

Enhancement of surface-active solid-phase heterogenous catalysts

#53
20070023088
2007-02-01

Fluid Transfer Pump

#54
20060251528
2006-11-09

Metering pump for varnish or lacquer

#55
20060131332
2006-06-22

Beverage mixing and dispensing apparatus and pumps for use therein

#56
20060051228
2006-03-09

Pump with conveying chamber formed in outer rotor surface

#57
20050175478
2005-08-11

Devices Employing Colloidal-Sized Particles

#58
20050081366
2005-04-21

Method for assembling precision miniature bearings for minisystems and microsystems

#59
18197743
2024-06-25

Oil box device of a roots vacuum pump with a crossed cooling water tube set