ClassID:

136648

F01C1/46 - 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 outer member

Recent Application in this class:
#1
20250290420
2025-09-18

Positive displacement rotary machine

#2
20190048720
2019-02-14

ROTARY EXPANDER

#3
20180209423
2018-07-26

Rotary compressor with vapor injection system

#4
20160356213
2016-12-08

Rotary internal combustion engine with rotary valve

#5
20150322790
2015-11-12

Rotation device and rotor compressor and fluid motor having the same

#6
20150292328
2015-10-15

Rotary internal combustion engine

#7
20150118091
2015-04-30

Rotary compressor with vapor injection system

#8
20150071807
2015-03-12

Swinging abutment rotary pump

#9
20140182534
2014-07-03

Circulating piston engine

#10
20140076270
2014-03-20

Rotary machine

#11
20130092122
2013-04-18

Rotary engine

#12
20130089447
2013-04-11

Planetary rotary type fluid motor or engine and compressor or pump

#13
20130004353
2013-01-03

PARTITION AND PARTITION CHAMBER FOR ROTARY ENGINES

#14
20120204829
2012-08-16

Rotary engine

#15
20120031369
2012-02-09

Separate-type rotary engine

#16
20110247583
2011-10-13

Internal Combustion Engine and Components Therefor

#17
20100242897
2010-09-30

Inverse displacement asymmetric rotary (IDAR) engine

#18
20100050981
2010-03-04

Rotary internal combustion engine

#19
20090272094
2009-11-05

Tangential combustion turbine

#20
20090114184
2009-05-07

Rotary engine with vanes rotatable by compressed gas injected thereon

#21
20090081065
2009-03-26

Rotary Working Machine Provided with an Assembly of Working Chambers with Periodically Variable Volume, In Particular a Compressor

#22
20090007590
2009-01-08

Refrigeration System

#23
20080210194
2008-09-04

Orbiting Piston Machines

#24
20070256660
2007-11-08

Rotary engine

#25
20070201998
2007-08-30

Rotary working machine provided with an assembly of working chambers with periodically variable volume, in particular a compressor

#26
20070131197
2007-06-14

Method for increasing the effect to be produced in a motor, pump or the like

#27
20060090465
2006-05-04

Rotary positive displacement machine with orbiting piston

#28
20060054129
2006-03-16

K.Engine

#29
20050193975
2005-09-08

Rotary engine

#30
20050076884
2005-04-14

Rotary internal-combustion engine

#31
20050019197
2005-01-27

Rotary volumetric machine

#32
20050000214
2005-01-06

Rotary positive displacement machine