Patents-Review.com
ClassID:

136689 ⎘

F01C19/12 - CPC Classification

Classification description:

Sealing arrangements in rotary-piston machines or engines for other than working fluid

Sub-classes:
Recent Application in this class:
#1
20250102067
2025-03-27

METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDERS OR COMPRESSORS

 #2
20240337186
2024-10-10

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

 #3
20210003011
2021-01-07

Rotary engine

 #4
20200040813
2020-02-06

Method of manufacturing a rotary engine casing

 #5
20200011426
2020-01-09

Methods and systems for sealing rotating equipment such as expanders or compressors

 #6
20190169988
2019-06-06

Stepped sealing device circumferential pumping groove

 #7
20180347457
2018-12-06

Method of manufacturing a rotary engine casing

 #8
20180163542
2018-06-14

Hydraulic device comprising a sealing element

 #9
20170175620
2017-06-22

Rotary engine casing with seal engaging plate having mating surface defining a fluid cavity

 #10
20160146352
2016-05-26

Methods and systems for sealing rotating equipment such as expanders or compressors

 #11
20130336829
2013-12-19

Rotary piston machine, especially rotary engine

 #12
20120134860
2012-05-31

“Turbomotor” rotary machine with volumetric expansion and variants thereof

 #13
20110200473
2011-08-18

Rotary engine lip-seal apparatus and method of operation therefor

 #14
20110176947
2011-07-21

Rotary engine vane cap apparatus and method of operation therefor

 #15
20110171051
2011-07-14

Rotary engine swing vane apparatus and method of operation therefor

 #16
20100300400
2010-12-02

Rotary internal combustion engine

 #17
20090074601
2009-03-19

Metal face seal assembly and machine using same

 #18
20070034079
2007-02-15

Packing assembly for cylinder casing

 #19
20070034078
2007-02-15

Packing having seal tongue