F01C19/00 - CPC Classification Index

ClassID:

136680 ⎘

F01C19/00 - CPC Classification

Classification description:

Sealing arrangements in rotary-piston machines or engines

Sub-classes:

F01C19/005 » {Structure and composition of sealing elements such as sealing strips, sealing rings and the like; Coating of these elements } 133
F01C19/02 » Radially-movable sealings for working fluid 72
F01C19/08 » Axially-movable sealings for working fluid 60
F01C19/10 » Sealings for working fluids between radially and axially movable parts 31
F01C19/12 » for other than working fluid 19

Recent Application in this class:

20260078695

2026-03-19

HOUSING ASSEMBLY FOR ROTARY ENGINE AND METHOD OF MANUFACTURING THEREOF

20250361808

2025-11-27

ROTARY MOTOR WITH INTEGRAL FLUID SEAL

20240337186

2024-10-10

Rotor assembly with cooling channels separated by ribs for a rotary engine

20230123953

2023-04-20

Compressor having floating seal assembly

20220003117

2022-01-06

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

20210340982

2021-11-04

Compressor having floating seal assembly

20190211678

2019-07-11

Tangential force internal combustion engine

20190010806

2019-01-10

Control device to achieve variable compression ratio for triangle rotary engine

20180283555

2018-10-04

Piston sealing system

#10

20160265526

2016-09-15

Pump apparatus and marine vessel propelling machine

#11

20160251961

2016-09-01

Rotary internal combustion engine, gas compressor, and liquid pump

#12

20160177720

2016-06-23

Two-stroke internal combustion engine with a spherical chamber

#13

20140356213

2014-12-04

Rotary machine

#14

20130251579

2013-09-26

IDAR-ACE inverse displacement asymmetric rotating alternative core engine

#15

20130200634

2013-08-08

Positive displacement expander

#16

20130028771

2013-01-31

Oil seal arrangement for rotary internal combustion engine

#17

20110303184

2011-12-15

Internal combustion engine

#18

20080056924

2008-03-06

Volumetric efficiency in a charge cooled or air cooled wankel rotary engine

#19

20060196464

2006-09-07

External combustion rotary piston engine

#20

20050019197

2005-01-27

Rotary volumetric machine

#21

19285832

2026-05-12

Self-cooled rotary engine and pump

#22

18887191

2025-12-23

Housing assembly for rotary engine and method of manufacturing thereof

#23

17209504

2022-05-17

Side wall for rotary engine housing