ClassID:

136586

F01C1/04 - 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 of internal-axis type

Sub-classes:
Recent Application in this class:
#1
20240280099
2024-08-22

Sealing In Helical Trochoidal Rotary Machines

#2
20230098259
2023-03-30

Sealing in helical trochoidal rotary machines

#3
20220389819
2022-12-08

Full-metal anti-high temperature cycloid downhole motor

#4
20210199011
2021-07-01

Helical trochoidal rotary machines

#5
20210189880
2021-06-24

Helical trochoidal rotary machines with offset

#6
20210025392
2021-01-28

Sealing in helical trochoidal rotary machines

#7
20190242259
2019-08-08

Circulating piston engine having a rotary valve assembly

#8
20180066520
2018-03-08

Rotary engine with intake and exhaust through rotor shaft

#9
20170058673
2017-03-02

Rotary machine

#10
20160341042
2016-11-24

Rotary engine with cam-guided rotor

#11
20160281596
2016-09-29

Circulating piston engine having a rotary valve assembly

#12
20150315912
2015-11-05

Rotary machine

#13
20150211481
2015-07-30

Nutating fluid-mechanical energy converter

#14
20150071806
2015-03-12

Rotary vane air motor with improved vanes and other improvements

#15
20140147321
2014-05-29

Fluid device with roll pockets alternatingly pressurized at different pressures

#16
20140020384
2014-01-23

POSITIVE DISPLACEMENT ROTARY VANE ENGINE

#17
20130251579
2013-09-26

IDAR-ACE inverse displacement asymmetric rotating alternative core engine

#18
20130202470
2013-08-08

Rotary vane air motor with improved vanes and other improvements

#19
20130195704
2013-08-01

Desynchronized coupling of a hydraulic machine

#20
20130071281
2013-03-21

Compressor, engine or pump with a piston translating along a circular path

#21
20120294747
2012-11-22

Cycloid rotor engine

#22
20120288390
2012-11-15

Compressor, engine or pump with a piston translating along a circular path

#23
20120000199
2012-01-05

Positive displacement rotary vane engine

#24
20080216792
2008-09-11

Positive displacement rotary vane engine

#25
20070280844
2007-12-06

Rotary Machine and Internal Combustion Engine