ClassID:

136779

F01D1/34 - CPC Classification

Classification description:

Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes

Sub-classes:
Recent Application in this class:
#1
20250179919
2025-06-05

Ultra-efficient bladeless turbomachinery

#2
20250137402
2025-05-01

Turbine driven by confrontation of explosions of oxygen and hydrogen, or any hydrogenated hydrocarbon, under pressure and vacuum by aqueous precipitation of the resulting water vapor

#3
20240360763
2024-10-31

PULSATING PNEUMATIC MOTOR

#4
20230272717
2023-08-31

Rotary manifold for a cohesion-type drive

#5
20230045779
2023-02-09

Cylinder device

#6
20210115810
2021-04-22

Pneumatic device

#7
20200355078
2020-11-12

Rotary manifold for a cohesion-type drive

#8
20200095884
2020-03-26

Hybrid jet engine

#9
20200095866
2020-03-26

CENTRIPETAL TURBINE APPARATUS COMPRISING NOZZLES INSIDE SEALED TURBINE

#10
20200088035
2020-03-19

Pneumatic engine

#11
20190345909
2019-11-14

Turbine

#12
20180258749
2018-09-13

System and method for system and method for a turbomachine multiphase hyrdrocarbon pump having an auger coupling

#13
20180187596
2018-07-05

TOROIDAL COMBUSTION CHAMBER

#14
20180142555
2018-05-24

REACTION-TYPE STEAM TURBINE

#15
20180058244
2018-03-01

Ring turbine arrangements for electricity generation and other applications

#16
20180003022
2018-01-04

System and method for a multiphase hydrocarbon pump having an auger coupling

#17
20160326952
2016-11-10

Rotary directional pressure engine

#18
20160298612
2016-10-13

Bladeless turbine

#19
20150192018
2015-07-09

Filamentous turbine

#20
20140345291
2014-11-27

Toroidal combustion chamber

#21
20140328666
2014-11-06

Bezentropic Bladeless Turbine

#22
20140255180
2014-09-11

Axial turbine

#23
20140255154
2014-09-11

Reaction-type turbine

#24
20140102115
2014-04-17

Turbo-engine, particularly internal combustion engine

#25
20130239920
2013-09-19

ROTARY ENERGY TRANSDUCER

#26
20130213039
2013-08-22

Bladeless turbine

#27
20120285416
2012-11-15

ROTARY ENGINE

#28
20120009055
2012-01-12

REACTION-TYPE TURBINE

#29
20110311347
2011-12-22

Flash Steam Turbine

#30
20110255979
2011-10-20

IMPELLER FOR TURBINE

#31
20110150642
2011-06-23

Disc turbine with streamlined hub vanes and co-axial exhaust tube

#32
20110027069
2011-02-03

Hybrid Tesla-Pelton Wheel Disc Turbine

#33
20110020109
2011-01-27

Peripheral tunnels propeller

#34
20100263622
2010-10-21

ROTARY ENGINE

#35
20100115946
2010-05-13

Heat engine/ heat pump using centrifugal fans

#36
20100107647
2010-05-06

Toroidal boundary layer gas turbine

#37
20090282835
2009-11-19

Rotary internal combustion engine for combusting low cetane fuels

#38
20090199812
2009-08-13

Structure of the rotary engine

#39
20090084099
2009-04-02

Rotary engine with inlet and outlet valves

#40
20090060713
2009-03-05

Direction-switchable pneumatic cylinder

#41
20090013960
2009-01-15

Rotary internal combustion engine

#42
20080264063
2008-10-30

Planetary improvement motor

#43
20080129051
2008-06-05

Natural gas turbine generator

#44
20070240419
2007-10-18

Piston Free Stirling Cycle Engine

#45
20070154303
2007-07-05

Axial flow cylinder of pneumatic tool

#46
20070130910
2007-06-14

Rotary engine

#47
20070084434
2007-04-19

Modular rotary engine

#48
20060291997
2006-12-28

Fluid Flow Chambers and Bridges in Bladeless Compressors, Turbines and Pumps

#49
20060216149
2006-09-28

Fluid Flow Channels in Bladeless Compressors, Turbines and Pumps

#50
20060165516
2006-07-27

Fluid flow actuated drive means

#51
20060029491
2006-02-09

Roto-dynamic fluidic systems

#52
20060021353
2006-02-02

Gas turbine power plant with supersonic shock compression ramps

#53
20050188675
2005-09-01

Rotary engine

#54
20050118015
2005-06-02

Turbine vibrator