Patents-Review.com
ClassID:

136593 ⎘

F01C1/077 - CPC Classification

Classification description:

Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having toothed-gearing type drive

Recent Application in this class:
#1
20250290419
2025-09-18

ROTATIONAL ENGINE

 #2
20250243759
2025-07-31

ROTATIONAL ENGINE WITH INNER AND OUTER RINGS

 #3
20240141789
2024-05-02

Rotational engine with inner and outer rings

 #4
20220018255
2022-01-20

Rotational engine with inner and outer rings

 #5
20220003117
2022-01-06

Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine

 #6
20200392845
2020-12-17

Spherical energy converter

 #7
20200166108
2020-05-28

GEARING ASSEMBLY

 #8
20200131942
2020-04-30

Heat machine configured for realizing heat cycles and method for realizing heat cycles by means of such heat machine

 #9
20200088034
2020-03-19

MECHANISM WITH ROTATING VANES

 #10
20190211678
2019-07-11

Tangential force internal combustion engine

 #11
20180371909
2018-12-27

Rotary engine with its passive piston running at variable speed

 #12
20180313262
2018-11-01

Rotary engine

 #13
20170292443
2017-10-12

Round internal combustion engine

 #14
20170167303
2017-06-15

Drive unit with its drive transmission system and connected operating heat cycles and functional configurations

 #15
20160312611
2016-10-27

Multiple vane roto-dynamic variable displacement kinetic system

 #16
20160194960
2016-07-07

Rotary motor with geared transmission for use of compressible media drive

 #17
20160053677
2016-02-25

Advanced alternating piston rotary engine

 #18
20150354570
2015-12-10

Displacement type rotary machine with controlling gears

 #19
20140109864
2014-04-24

Hybrid internal combustion engine (variants thereof)

 #20
20140020651
2014-01-23

Orbiting planetary gearing system and internal combustion engine employing the same

 #21
20130133613
2013-05-30

Rotary engine with rotating pistons and cylinders

 #22
20120195782
2012-08-02

SYSTEM FOR CONSTRUCTION OF COMPRESSORS AND ROTARY ENGINE, WITH VOLUMETRIC DISPLACEMENT AND COMPRESSION RATE DYNAMICALLY VARIABLE

 #23
20120134860
2012-05-31

“Turbomotor” rotary machine with volumetric expansion and variants thereof

 #24
20120080006
2012-04-05

ROTARY MODULATION ENGINE

 #25
20110162617
2011-07-07

Dual-rotor engine

 #26
20110048370
2011-03-03

REVOLVING PISTON INTERNAL COMBUSTION ENGINE

 #27
20100258075
2010-10-14

Vane-type rotary actuator or an internal combustion machine

 #28
20100251986
2010-10-07

Heterocentric distributive oscillating transmission mechanism and toroidal hermetic rotary engine as its application

 #29
20100139612
2010-06-10

Rotary piston combustion engine

 #30
20100132659
2010-06-03

CAT AND MOUSE TYPE MACHINE WITH MULTI-PURPOSE PORTS

 #31
20100108021
2010-05-06

Rotary piston engine

 #32
20100024765
2010-02-04

Rotary piston internal combustion engine

 #33
20100000492
2010-01-07

MODIFIED REVOLVING PISTON INTERNAL COMBUSTION ENGINE

 #34
20090217903
2009-09-03

Rotary internal combustion engine

 #35
20090133665
2009-05-28

Revolving piston internal combustion engine

 #36
20090047160
2009-02-19

Rotary scissors action machine

 #37
20080276902
2008-11-13

Rotary Piston Machine Comprising Two Piston Mounts Arranged on an Axle

 #38
20080251043
2008-10-16

Housing wheel engine

 #39
20080149067
2008-06-26

Powertrain including a rotary IC engine and a continuously variable planetary gear unit

 #40
20080098982
2008-05-01

Rotary piston engine

 #41
20080011267
2008-01-17

Rotary piston engine

 #42
20070062482
2007-03-22

Orbital engine/pump with multiple toroidal cylinders

 #43
20070036667
2007-02-15

Rotary piston heat engine system

 #44
20060157017
2006-07-20

Exhaust valve and intake system

 #45
20060150947
2006-07-13

Revolving piston internal combustion engine

 #46
20060124102
2006-06-15

Rotary engine system

 #47
20060073059
2006-04-06

Poly-inductive machines and differential turbines

 #48
20060027207
2006-02-09

Oscillating-rotary engine

 #49
20050013719
2005-01-20

Alernative-step appliance rotary piston engine

 #50
15295985
2017-06-13

Radial piston rotary device with compact gear drive mechanism