F04D21/00 - CPC Classification Index

#1

20260027543

2026-01-29

SUPERSONIC DIFFUSER FOR TURBOMACHINERY ARRANGED TO IMPART THERMAL ENERGY TO A PROCESS FLUID

#2

20250043789

2025-02-06

VARIABLE GEOMETRY SUPERSONIC COMPRESSOR

#3

20240229804

2024-07-11

Variable geometry supersonic compressor

#4

20240060497

2024-02-22

METHOD FOR EFFICIENT PART LOAD COMPRESSOR OPERATION

#5

20230116261

2023-04-13

Non-Sealed Vacuum Pump With Supersonically Rotatable Bladeless Gas Impingement Surface

#6

20230057786

2023-02-23

Transonic turbomachine compressor

#7

20220135414

2022-05-05

Method for generating a gas-product

#8

20220049716

2022-02-17

Vaneless supersonic diffuser for compressor

#9

20210324863

2021-10-21

Non-sealed vacuum pump with supersonically rotatable bladeless gas impingement surface

#10

20210123444

2021-04-29

Mixed-flow compressor configuration for a refrigeration system

#11

20210040958

2021-02-11

CENTRIFUGAL COMPRESSOR ACHIEVING HIGH PRESSURE RATIO

#12

20200392968

2020-12-17

Compressor rotor for supersonic flutter and/or resonant stress mitigation

#13

20200325911

2020-10-15

Deswirler assembly for a centrifugal compressor

#14

20200207429

2020-07-02

High-performance car with gas pushers

#15

20200056702

2020-02-20

SHOCK WAVE MECHANICAL SEAL

#16

20190048880

2019-02-14

Compressor rotor blade, compressor, and method for profiling the compressor rotor blade

#17

20170241432

2017-08-24

Compressor rotor for supersonic flutter and/or resonant stress mitigation

#18

20160281722

2016-09-29

SUPERSONIC COMPRESSOR

#19

20160153472

2016-06-02

Evacuator system having multi-port evacuator

#20

20150104290

2015-04-16

Supersonic compressor with separator

#21

20150098834

2015-04-09

All-supersonic ducted fan for propelling aircraft at high subsonic speeds

#22

20150093232

2015-04-02

Supersonic compressor and associated method

#23

20140356156

2014-12-04

Airfoil geometry of blade for axial compressor

#24

20140341706

2014-11-20

Supersonic compressor with structural arrangement to increase pressure energy in a discharge process fluid received from a centrifugal impeller

#25

20130259668

2013-10-03

Transonic blade

#26

20130223975

2013-08-29

Method and apparatus for starting supersonic compressors

#27

20130164121

2013-06-27

SUPERSONIC COMPRESSOR

#28

20130164120

2013-06-27

SUPERSONIC COMPRESSOR

#29

20130160454

2013-06-27

Gas turbine engine with supersonic compressor

#30

20130149100

2013-06-13

Gas turbine engine

#31

20130142632

2013-06-06

Supersonic compressor

#32

20130121807

2013-05-16

Axial compressor for fluid-flow machines

#33

20130039748

2013-02-14

STATOR FOR SUPERSONIC COMPRESSOR

#34

20130037657

2013-02-14

VORTEX GENERATORS

#35

20120301271

2012-11-29

Supersonic compressor rotor and method of compressing a fluid

#36

20120301270

2012-11-29

Supersonic compressor startup support system

#37

20120224952

2012-09-06

System and methods of assembling a supersonic compressor rotor including a radial flow channel

#38

20120201660

2012-08-09

Wet gas compressor systems

#39

20120156016

2012-06-21

Supersonic compressor rotor and methods for assembling same

#40

20120156015

2012-06-21

SUPERSONIC COMPRESSOR AND METHOD OF ASSEMBLING SAME

#41

20120107106

2012-05-03

System and method of assembling a supersonic compressor system including a supersonic compressor rotor and a compressor assembly

#42

20120087779

2012-04-12

Supersonic compressor startup support system

#43

20120070326

2012-03-22

COMPRESSION METHOD AND MEANS

#44

20120051933

2012-03-01

Supersonic compressor rotor and method of assembling same

#45

20110318172

2011-12-29

Tandem blade design

#46

20110142592

2011-06-16

Supersonic compressor rotor

#47

20100329856

2010-12-30

Supersonic compressor comprising radial flow path

#48

20100158665

2010-06-24

Supersonic compressor

#49

20100135781

2010-06-03

Blade row of axial flow type compressor

#50

20100129203

2010-05-27

Control of shockwave-boundarylayer-interaction using MEMS plasma devices

#51

20100129192

2010-05-27

COMPRESSION METHOD AND MEANS

#52

20100068064

2010-03-18

Transonic airfoil and axial flow rotary machine

#53

20090196731

2009-08-06

Method and apparatus for starting supersonic compressors

#54

20080240903

2008-10-02

Method of Pumping Gaseous Matter via a Supersonic Centrifugal Pump

#55

20080181769

2008-07-31

Tone noise reduction in turbomachines

#56

20080118362

2008-05-22

Transonic compressor rotors with non-monotonic meanline angle distributions

#57

20080095633

2008-04-24

Fan blade

#58

20070297904

2007-12-27

Compressor of a gas turbine and gas turbine

#59

20070102234

2007-05-10

Duct for reducing shock related noise

#60

20060242941

2006-11-02

Fladed supersonic missile turbojet

#61

20060067821

2006-03-30

Methods and apparatus for aerodynamically self-enhancing rotor blades

#62

20060034691

2006-02-16

Supersonic compressor

#63

20060021353

2006-02-02

Gas turbine power plant with supersonic shock compression ramps

#64

20050271500

2005-12-08

Supersonic gas compressor

#65

20050260074

2005-11-24

Centrifugal compressor and manufacturing method for impeller

#66

20050249578

2005-11-10

Shockwave-induced boundary layer bleed

#67

18633815

2024-10-29

Power plant cycle using renewable energy facilitated by a supersonic shock wave compressor apparatus

#68

18433518

2024-10-29

Power plant cycle for a new renewable energy or other heat source facilitated by a supersonic shock wave compressor apparatus

#69

14623897

2015-11-10

Compressor intake noise prevention by choking flow with duct geometry