Patents-Review.com
ClassID:

143787 ⎘

F04C2230/20 - CPC Classification

Classification description:

Manufacture essentially without removing material

Sub-classes:
Recent Application in this class:
#1
20240352931
2024-10-24

Eccentric screw pump having a stator linking which is simpler to produce

 #2
20240287986
2024-08-29

Roots pump

 #3
20240229790
2024-07-11

GEAR PUMP

 #4
20240133377
2024-04-25

Gear pump

 #5
20230407869
2023-12-21

Counterweight for a scroll compressor

 #6
20230114095
2023-04-13

SCREW COMPRESSOR

 #7
20220065245
2022-03-03

Fixed scroll disk and scroll compressor having the same

 #8
20210222692
2021-07-22

Gerotor pump and method for producing same

 #9
20210189848
2021-06-24

Undercured stator for mud motor

 #10
20210148171
2021-05-20

Method of forming stators for downhole motors

 #11
20210017986
2021-01-21

Screw rotor, fluid machine main body, and fluid machine

 #12
20200291940
2020-09-17

Method of making a two-piece counterweight for a scroll compressor

 #13
20200238580
2020-07-30

Elastomeric stator with modified fiber orientation

 #14
20200217321
2020-07-09

Thermal and sound optimized lattice-cored additive manufactured compressor components

 #15
20200141399
2020-05-07

Lattice-cored additive manufactured compressor components with fluid delivery features

 #16
20190301451
2019-10-03

Hybrid pump bearing for contamination resistance

 #17
20190063433
2019-02-28

SCROLL PUMP TIP SEALING

 #18
20180335031
2018-11-22

Scroll compressor for a vehicle air-conditioning system having spiral wall including conical cut

 #19
20180238114
2018-08-23

Method of forming stators for downhole motors

 #20
20170370359
2017-12-28

GEAR PUMP AND MANUFACTURING METHOD OF THE SAME

 #21
20170260980
2017-09-14

Method of making a two-piece counterweight for a scroll compressor

 #22
20170184108
2017-06-29

Thermal and sound optimized lattice-cored additive manufactured compressor components

 #23
20170037851
2017-02-09

Motor vehicle vacuum pump having an adhesive

 #24
20160348675
2016-12-01

Transverse internal gear pump

 #25
20160036284
2016-02-04

Highly reinforced elastometric stator

 #26
20160003253
2016-01-07

Compressor and method for assembling a compressor

 #27
20140369819
2014-12-18

Method for manufacturing anti-rotation ring of scroll type compressor and anti-rotation mechanism of the scroll type compressor

 #28
20140178235
2014-06-26

Electroformed stator tube for a progressing cavity apparatus

 #29
20130064601
2013-03-14

FRICTION BONDING STRUCTURE AND PUMP DEVICE

 #30
20120134861
2012-05-31

Downhole motor or pump components, method of fabrication the same, and downhole motors incorporating the same

 #31
20120102738
2012-05-03

Method of Making Progressing Cavity Pumping Systems

 #32
20110229360
2011-09-22

Powder metal scroll hub joint

 #33
20110129377
2011-06-02

Scroll Compressor and Method for Manufacturing the Same

 #34
20110038713
2011-02-17

Dry running flexible impeller pump and method of manufacture

 #35
20100247361
2010-09-30

Compressor

 #36
20100183458
2010-07-22

Electric compressor with integral inverter

 #37
20100101352
2010-04-29

Lubricating pinion and lubricating device

 #38
20100086425
2010-04-08

Electroformed stator tube for a progressing cavity apparatus

 #39
20080245127
2008-10-09

Method of forming a rotary device

 #40
20080181801
2008-07-31

Powder metal scroll hub joint

 #41
20080124237
2008-05-29

Bi-Directional Pump Mechanism for Balanced Flow Fluid Exchanger

 #42
20070177972
2007-08-02

Dry running flexible impeller pump and method of manufacture

 #43
20060222551
2006-10-05

Oil feeding propeller of scroll compressor

 #44
20060216178
2006-09-28

Downhole motor seal and method

 #45
20060153724
2006-07-13

Multiple elastomer layer progressing cavity stators

 #46
20060073053
2006-04-06

Orbiting vane compressor

 #47
20060029507
2006-02-09

Stator of a moineau-pump

 #48
20050265860
2005-12-01

Motor-mounted internal gear pump and electronic device

 #49
20050260091
2005-11-24

Rotary device for use in an engine