Patents-Review.com
ClassID:

136647 ⎘

F01C1/44 - CPC Classification

Classification description:

Rotary-piston machines or engines having the characteristics covered by two or more groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and having a hinged member with vanes hinged to the inner member

Recent Application in this class:
#1
20230083167
2023-03-16

ROTARY PUMP OR MOTOR WITH IMPROVED INTAKE, EXHAUST, VANE AND BEARINGLESS SLEEVE FEATURES

 #2
20230073004
2023-03-09

ROTARY MACHINE WITH HUB DRIVEN TRANSMISSION ARTICULATING A FOUR BAR LINKAGE

 #3
20220389860
2022-12-08

Rotary blade engine

 #4
20220325661
2022-10-13

Rotary machine with hub driven transmission articulating a four bar linkage

 #5
20220127998
2022-04-28

SINGLE CHAMBER MULTIPLE INDEPENDENT CONTOUR ROTARY MACHINE

 #6
20200370553
2020-11-26

Rotary sliding vane machine with slide bearings and pivot bearings for the vanes

 #7
20200173355
2020-06-04

Rotary engine with axially directly connected compression and power cylinders

 #8
20200080421
2020-03-12

Rotary device

 #9
20200014277
2020-01-09

Portable fuel pump

 #10
20190226395
2019-07-25

Single chamber multiple independent contour rotary machine

 #11
20190195222
2019-06-27

Rotary drive with pivoting stator and rotor vanes

 #12
20170201146
2017-07-13

Portable fuel pump

 #13
20160194959
2016-07-07

Rotary engine vane drive method and apparatus

 #14
20160153348
2016-06-02

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

 #15
20160076373
2016-03-17

Rotary volumetric machine with three pistons

 #16
20160061037
2016-03-03

Rotor assembly for rotary internal combustion engine

 #17
20150300173
2015-10-22

Ignition engine of the rotary type with a double rotation center

 #18
20150292328
2015-10-15

Rotary internal combustion engine

 #19
20150110658
2015-04-23

Pump with pivoted vanes

 #20
20150000245
2015-01-01

Hybrid electric rotary engine

 #21
20140170010
2014-06-19

Vane rotary compressor having a hinge-coupled vane

 #22
20140140879
2014-05-22

Rotary mechanism with articulating rotor

 #23
20130183184
2013-07-18

Rotary engine

 #24
20120269618
2012-10-25

BLADE SUPPORT IN A QUASITURBINE PUMP

 #25
20120237370
2012-09-20

ENGINE HAVING ROTARY PISTONS

 #26
20120224989
2012-09-06

Pivoting, hinged arc vane rotary compressor or expander

 #27
20110236240
2011-09-29

Multifunction rotary machine with deformable rhomb

 #28
20110200473
2011-08-18

Rotary engine lip-seal apparatus and method of operation therefor

 #29
20110186006
2011-08-04

METHOD FOR PROVIDING A THERMO-DYNAMIC CYCLE OF A COMBUSTION ENGINE, IN PARTICULAR OF A ROTARY TYPE WITH A DOUBLE CENTER OF ROTATION

 #30
20110176947
2011-07-21

Rotary engine vane cap apparatus and method of operation therefor

 #31
20110171051
2011-07-14

Rotary engine swing vane apparatus and method of operation therefor

 #32
20110139116
2011-06-16

Rotary, internal combustion engine

 #33
20110048369
2011-03-03

Combination piston and variable blade turbine internal combustion engine

 #34
20100158740
2010-06-24

Vane machine

 #35
20100139613
2010-06-10

Plasma-vortex engine and method of operation therefor

 #36
20100000491
2010-01-07

Rotary engines, systems and methods

 #37
20090313989
2009-12-24

Rotary stirling cycle machine

 #38
20090074567
2009-03-19

Positive-displacement turbine engine

 #39
20090050080
2009-02-26

HYDROGEN PEROXIDE-FUELED ROTARY EXPANSION ENGINE

 #40
20080310985
2008-12-18

Motor driven by pressure medium supplied from an external pressure source

 #41
20080253915
2008-10-16

Self-aligning rotary pistone machine

 #42
20070256660
2007-11-08

Rotary engine

 #43
20070240674
2007-10-18

Multilobe rotary motion asymetric compression/expansion engine

 #44
20060201156
2006-09-14

Plasma-vortex engine and method of operation therefor

 #45
20060130803
2006-06-22

Multiple-power engine device