Y10T29/49242 - CPC Classification Index

#1

20240026880

2024-01-25

Mud motor rotor with core and shell

#2

20210277719

2021-09-09

Mud motor rotor with core and shell

#3

20210189848

2021-06-24

Undercured stator for mud motor

#4

20210148171

2021-05-20

Method of forming stators for downhole motors

#5

20200109708

2020-04-09

Mud motor stators and pumps and method of making

#6

20190136859

2019-05-09

SIMPLIFIED ROOTS-TYPE BLOWER

#7

20180355863

2018-12-13

Graphene enhanced elastomeric stator

#8

20180238114

2018-08-23

Method of forming stators for downhole motors

#9

20170167199

2017-06-15

Hydraulic tools including removable coatings, drilling systems, and methods of making and using hydraulic tools

#10

20150354568

2015-12-10

Compressor having a lower frame and a method of manufacturing the same

#11

20150316053

2015-11-05

Scroll compressor and method for assembling a scroll compressor

#12

20150247484

2015-09-03

Methods and apparatus for moving fluid using a strake

#13

20150233373

2015-08-20

Graphene enhanced elastomeric stator

#14

20150147203

2015-05-28

Compressor

#15

20150086406

2015-03-26

Reduced noise screw machines

#16

20150078947

2015-03-19

Downhole motor stator and method of manufacture

#17

20150056092

2015-02-26

Self-fixing stator housing

#18

20150010416

2015-01-08

Controller for varying flow rate from fixed displacement pump

#19

20140255235

2014-09-11

Self adjusting gear pump

#20

20140199424

2014-07-17

Extruder screw, extruder, and method for producing an extruder screw

#21

20140178235

2014-06-26

Electroformed stator tube for a progressing cavity apparatus

#22

20140112816

2014-04-24

Internal gear pump

#23

20130330222

2013-12-12

Method for producing the tooth shape of the inner and outer ring of an annular gear machine and toothed ring produced by means of said method

#24

20130309117

2013-11-21

Compressor having a lower frame and a method of manufacturing the same

#25

20130064702

2013-03-14

Downhole motors and pumps with asymmetric lobes

#26

20130052067

2013-02-28

Downhole Motors and Pumps with Improved Stators and Methods of Making and Using Same

#27

20130017113

2013-01-17

Shaft assembly including a contained shaft spring load

#28

20120288395

2012-11-15

Screw spindle machine and method of manufacturing the same

#29

20120263618

2012-10-18

Bi-metal pump gear

#30

20120219448

2012-08-30

Adjustable rotary pump with reduced wear

#31

20120219445

2012-08-30

Seal retaining sleeve for gear pump

#32

20120216401

2012-08-30

NANOCOMPOSITE MOINEAU DEVICE

#33

20120201711

2012-08-09

Method for the axial positioning of bearings on a shaft journal

#34

20120156078

2012-06-21

Progressing cavity pump/motor

#35

20120148432

2012-06-14

Enhanced elastomeric stator insert via reinforcing agent distribution and orientation

#36

20120141316

2012-06-07

Gear root geometry for increased carryover volume

#37

20120132470

2012-05-31

Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps

#38

20120118473

2012-05-17

Fixed head insulated glass edge sealing device

#39

20120102738

2012-05-03

Method of Making Progressing Cavity Pumping Systems

#40

20120093671

2012-04-19

Compressor having outlet with gap to enhance volumetric efficiency

#41

20120045356

2012-02-23

Rotor for a screw compressor

#42

20120020820

2012-01-26

Rotary pump

#43

20120018168

2012-01-26

Multistage pump suitable for use in wells

#44

20110203110

2011-08-25

Braze or solder reinforced moineu stator

#45

20110182760

2011-07-28

Adjustable rotary pump with reduced wear

#46

20110103987

2011-05-05

PUMP SYSTEM

#47

20110097232

2011-04-28

Single screw compressor and a method for processing a screw rotor

#48

20100284843

2010-11-11

Stator for an eccentric screw pump or an eccentric screw motor and method of producing a stator

#49

20100284842

2010-11-11

Method of producing a stator segment for a segmented stator of an eccentric screw pump

#50

20100278671

2010-11-04

METHOD AND APPARATUS FOR REDUCING PARTICLES IN A SCREW PUMP LUBRICANT

#51

20100247361

2010-09-30

Compressor

#52

20100183468

2010-07-22

Single screw compressor structure and method of assembling single screw compressor including the same

#53

20100124512

2010-05-20

Method for timing a polymer pump containing polymer

#54

20100098569

2010-04-22

Nanocomposite Moineau device

#55

20100086425

2010-04-08

Electroformed stator tube for a progressing cavity apparatus

#56

20090304538

2009-12-10

Modular multi-rotor compressor and method of manufacture

#57

20090252633

2009-10-08

Lobe pump system and method of manufacture

#58

20090208357

2009-08-20

Rotary gear pump for use with non-lubricating fluids

#59

20090202377

2009-08-13

Gerotor and method of assembling the same

#60

20090169404

2009-07-02

Method of fabricating a high temperature progressive cavity motor or pump component

#61

20090169364

2009-07-02

Progressive cavity apparatus with transducer and methods of forming and use

#62

20090104064

2009-04-23

Method for manufacturing trochoid pump and trochoid pump obtained

#63

20090086568

2009-04-02

CONTINUOUS BI-METALLIC TWIN BORE BARREL FOR SCREW EXTRUDER AND METHOD OF MAKING SAME

#64

20080304992

2008-12-11

Braze or solder reinforced Moineau stator

#65

20080304991

2008-12-11

Moineau stator including a skeletal reinforcement

#66

20080159885

2008-07-03

Motor-mounted internal gear pump and manufacturing method thereof and electronic equipment

#67

20080131303

2008-06-05

Compressor terminal plate

#68

20080025859

2008-01-31

Method of forming controlled thickness resilient material lined stator

#69

20070248481

2007-10-25

ADJUSTABLE ROTARY PUMP WITH REDUCED WEAR

#70

20070172375

2007-07-26

Non-eccentric devices

#71

20070140883

2007-06-21

Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining

#72

20070140882

2007-06-21

Eccentric screw pump equipped with erosion-resistant rotor

#73

20070020133

2007-01-25

Stator for an eccentric single-rotor screw pump and method for its production

#74

20070003387

2007-01-04

Apparatus and method for processing screw rotor and cutting bit

#75

20060127235

2006-06-15

Compressor sound suppression

#76

20060048360

2006-03-09

Apparatus and method for processing screw rotor and cutting bit

#77

20060024187

2006-02-02

Hydraulic pump

#78

20050257371

2005-11-24

Lobe pump system and method of manufacture

#79

20050191188

2005-09-01

Stator tube removal and installation device

#80

20050079083

2005-04-14

Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining

#81

20050063852

2005-03-24

Screw compressor and method of manufacturing rotor for the same

#82

20050022381

2005-02-03

Method of making gear pump