ClassID:

138833

F02B53/08 - CPC Classification

Classification description:

Internal-combustion aspects of rotary-piston or oscillating-piston engines; Charge admission or combustion-gas discharge Charging, e.g. by means of rotary-piston pump

Recent Application in this class:
#1
20250179956
2025-06-05

ROTARY ENGINE, PARTS THEREOF, AND METHODS

#2
20230092617
2023-03-23

Rotary engine, parts thereof, and methods

#3
20220056802
2022-02-24

Rotary engine, parts thereof, and methods

#4
20210340901
2021-11-04

Cylinder structure of rotary piston internal combustion engine

#5
20210310405
2021-10-07

Thrust Vectoring Ignition Chamber Engine with Two Phase Axial Fuel Intake System

#6
20210087970
2021-03-25

Circulating piston engine

#7
20210040885
2021-02-11

Rotary engine, parts thereof, and methods

#8
20200332708
2020-10-22

Circulating Piston Engine

#9
20200123970
2020-04-23

Rotary internal combustion engine with unequal volumetric ratios

#10
20200123964
2020-04-23

Engine assembly with intercooler

#11
20200116076
2020-04-16

Engine intake assembly with selector valve

#12
20190242299
2019-08-08

Split-cycle engine with a variable displacement compressor and a rotary motor

#13
20190112974
2019-04-18

Toroidal engine

#14
20190003307
2019-01-03

Internal combustion engine with rotor having offset peripheral surface

#15
20180363540
2018-12-20

Engine assembly with intercooler

#16
20180223728
2018-08-09

Rotary internal combustion engine with unequal volumetric ratios

#17
20180187591
2018-07-05

Engine intake assembly with selector valve

#18
20180135511
2018-05-17

Circulating piston engine

#19
20180128106
2018-05-10

Multiple axis rotary engine

#20
20180010456
2018-01-11

Internal combustion engine with rotor having offset peripheral surface

#21
20170284283
2017-10-05

Internal combustion engine with port communication

#22
20170218783
2017-08-03

Inlet guide assembly

#23
20170130647
2017-05-11

Device for internal cooling and pressurization of rotary engine

#24
20160245152
2016-08-25

Engine intake assembly with selector valve

#25
20160040588
2016-02-11

Internal combustion engine with port communication

#26
20150260089
2015-09-17

DEVICE FOR COOLING AND PRESSURIZATION

#27
20150075483
2015-03-19

Rotary internal combustion engine with exhaust purge

#28
20140299094
2014-10-09

Rotary engine and rotary unit thereof

#29
20140294646
2014-10-02

Toroidal engine

#30
20140109864
2014-04-24

Hybrid internal combustion engine (variants thereof)

#31
20130028768
2013-01-31

Rotary internal combustion engine with exhaust purge

#32
20120174879
2012-07-12

Rotary engine

#33
20120031369
2012-02-09

Separate-type rotary engine

#34
20110259296
2011-10-27

Rotary internal combustion engine

#35
20110185998
2011-08-04

Toroidal engine

#36
20110174262
2011-07-21

Rotary engine with exhaust gas supplemental compounding

#37
20110174261
2011-07-21

ROTARY ENGINE WITH ALIGNED ROTOR

#38
20110132315
2011-06-09

Multi-cylinder reciprocating rotary engine

#39
20100192904
2010-08-05

Rotating internal combustion engine

#40
20090120407
2009-05-14

Internal combustion engine with toroidal cylinders

#41
20080265145
2008-10-30

Optical element and optical measurement device using the optical element

#42
20060193739
2006-08-31

Retro mechanical post mechanical and bi-mechanical traction engines

#43
20050045143
2005-03-03

Rotary internal combustion engine

#44
18907621
2025-09-23

Three-cycle (stroke) rotary radial vane piston internal combustion engine

#45
18818659
2025-05-27

Integrated internal continuous combustion rotary engine

#46
16745184
2020-11-24

Rotary engine, parts thereof, and methods

#47
15670071
2018-06-26

Full cycle rotary engine combination