F04C15/0003 - CPC Classification Index

ClassID:

143520 ⎘

F04C15/0003 - CPC Classification

Classification description:

Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups - Sealing arrangements in rotary-piston machines or pumps

Sub-classes:

F04C15/0007 » {Radial sealings for working fluid} 54
F04C15/0023 » {Axial sealings for working fluid} 74
F04C15/003 » {Sealings for working fluid between radially and axially moving parts} 12
F04C15/0034 » {for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine} 69

Recent Application in this class:

20260049611

2026-02-19

REMOVABLE PUMP HEAD WITH A POLYMERIC SHAFT COUPLER

20250369442

2025-12-04

SEAL ASSEMBLY FOR PROGRESSIVE CAVITY PUMP

20250314251

2025-10-09

COATING LAYER HAVING A CONFORMING MATERIAL FOR A COMPRESSOR AND METHOD OF USING THE SAME

20240369060

2024-11-07

Variable Displacement Oil Pump

20240271618

2024-08-15

Energy transfer machine for corrosive fluids

20240183491

2024-06-06

High efficiency seal oil system

20240003346

2024-01-04

Sliding-pocket variable-displacement pump with compensation chambers

20230417241

2023-12-28

Rotor unit and eccentric screw pump

20230272794

2023-08-31

Energy transfer machine for corrosive fluids

#10

20220412348

2022-12-29

Sealing and compliance in a scroll compressor

#11

20220381241

2022-12-01

Helical spindle pump with a single-entry design

#12

20220282728

2022-09-08

CRANKSHAFT MOUNTED COMPRESSOR

#13

20220120272

2022-04-21

Scroll compressor

#14

20220003117

2022-01-06

Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine

#15

20210396226

2021-12-23

Rotary pump with axial compensation, outlet gasket for a pump and pre-fitted pump unit

#16

20210285455

2021-09-16

Liquid pump, in particular for providing a supply to a transmission of an electric or hybrid drive module of a motor vehicle

#17

20210156377

2021-05-27

Pump with symmetrical mounting holes for asymmetrical mounting arrangement

#18

20210148379

2021-05-20

Fluid pump

#19

20210048023

2021-02-18

High pressure pumping system

#20

20210025387

2021-01-28

Vane pump

#21

20200370550

2020-11-26

Electric hydraulic actuator

#22

20200362857

2020-11-19

Rotary compressor with wear avoiding portion

#23

20200340478

2020-10-29

Vane pump with improved seal assembly for control chamber

#24

20200332796

2020-10-22

Serviceable fluid pump

#25

20200332657

2020-10-22

Liquid pump capable of achieving pressure equilibrium

#26

20200291935

2020-09-17

Pressure balancing system for a fluid pump

#27

20200284255

2020-09-10

Pump device

#28

20200106329

2020-04-02

MOTOR UNIT AND ELECTRIC PUMP DEVICE

#29

20200106324

2020-04-02

Electric pump device

#30

20200025196

2020-01-23

High pressure pumping system

#31

20190360484

2019-11-28

Connection assembly with feed pump and elastic element

#32

20190345852

2019-11-14

Oil pump and balancer unit of oil pump integrated type

#33

20190264685

2019-08-29

Rotary device having a circular guide ring

#34

20190249662

2019-08-15

Horizontally split screw-spindle pump

#35

20180347563

2018-12-06

Pump for corrosive fluids

#36

20180291893

2018-10-11

Threaded spindle machine

#37

20180274539

2018-09-27

INTERNAL GEAR PUMP

#38

20180258931

2018-09-13

VANE PUMP

#39

20180258929

2018-09-13

Fluid pump with rotating pumping element wear reduction

#40

20180187676

2018-07-05

Variable displacement oil pump including swing member

#41

20180156214

2018-06-07

PUMP UNIT AND ACTUATOR

#42

20180058448

2018-03-01

Rotary device having a circular guide ring

#43

20180045197

2018-02-15

Systems and devices for pumping and controlling high temperature fluids

#44

20180043317

2018-02-15

Quick disconnect pump

#45

20170328365

2017-11-16

Variable displacement oil pump

#46

20170306950

2017-10-26

Rotary pump comprising a lubricating groove in the sealing stay

#47

20170268509

2017-09-21

Vane Pump Assembly

#48

20170211572

2017-07-27

Oil pump

#49

20170138197

2017-05-18

Vane cell machine having a pressure piece which delimits two pressure chambers

#50

20170114691

2017-04-27

Pump for conveying a fluid, in particular for conveying an exhaust gas cleaning additive

#51

20170058894

2017-03-02

Pump with shaped face seal

#52

20170016444

2017-01-19

Pump for conveying a liquid, in particular an exhaust-gas cleaning additive

#53

20160348675

2016-12-01

Transverse internal gear pump

#54

20160341197

2016-11-24

UNIAXIAL ECCENTRIC SCREW PUMP

#55

20160319806

2016-11-03

Microfluidic pump

#56

20160245286

2016-08-25

Vane pump

#57

20160245283

2016-08-25

Electric Oil Pump

#58

20160245281

2016-08-25

Rotary piston pump made of plastic

#59

20160153450

2016-06-02

Pump for metering a liquid additive for a selective catalytic reduction device

#60

20160153348

2016-06-02

Fixed-rail rotor pump and fixed-rail rotor pump combined supercharging internal-combustion engine

#61

20160138590

2016-05-19

Gerotor apparatus having outer gerotor with strengthening members

#62

20150369242

2015-12-24

Internal gear pump having a rotationally fixed axial disk

#63

20150354559

2015-12-10

Gear pump driven gear pressure loaded bearing

#64

20150292504

2015-10-15

INDUCED HOLLOW SPIRAL DRIVING APPARATUS

#65

20150260184

2015-09-17

Segmented Positive Displacement Rotor Housing

#66

20150219099

2015-08-06

Rotary-oscillating subassembly and rotary-oscillating volumetric pumping device for volumetrically pumping a fluid

#67

20140377115

2014-12-25

Internal Gear Pump

#68

20140348683

2014-11-27

SEALING SYSTEM FOR GEROTOR APPARATUS

#69

20140294627

2014-10-02

Liquid pump

#70

20140154125

2014-06-05

Gear ring pump including housing containing port support therein with the port support formed of a material having a greater heat expansion coefficient than a material of the housing

#71

20140024563

2014-01-23

ANTI-WEAR COATINGS FOR COMPRESSOR WEAR SURFACES

#72

20140023540

2014-01-23

Anti-wear coatings for scroll compressor wear surfaces

#73

20140017094

2014-01-16

Metering system

#74

20130075975

2013-03-28

Seal for oil-free rotary displacement compressor

#75

20110200476

2011-08-18

Sealing system for gerotor apparatus

#76

20110103987

2011-05-05

PUMP SYSTEM

#77

20100003152

2010-01-07

Gerotor apparatus for a quasi-isothermal brayton cycle engine

#78

20090232690

2009-09-17

Seal apparatus of gear pump

#79

20080219873

2008-09-11

Vane pump having a labyrinth seal and gap between a top surface of a rotor and a ceiling surface of a rotor chamber that is formed between upper and lower cases

#80