ClassID:

136629

F01C1/3441 - CPC Classification

Classification description:

Rotary-piston machines or engines having the characteristics covered by two or more groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation

Sub-classes:
Recent Application in this class:
#1
20250188854
2025-06-12

APPARATUS FOR ENERGY CONVERSION

#2
20190262909
2019-08-29

Oil-less pneumatic motor having graphite vanes formed with beveled edges, off-standing flanges, and rounded corners

#3
20160258291
2016-09-08

Reversing mechanism for a power tool

#4
20160115792
2016-04-28

Hydrostatic positive displacement machine

#5
20140219853
2014-08-07

Vane with offset walls and fluid passages used in a vane cell device

#6
20140065001
2014-03-06

Internal orbital engine

#7
20120073297
2012-03-29

Apparatus and method of converting a portion of the specific energy of a fluid in gas phase into mechanical work

#8
20120048230
2012-03-01

Rotary vane engines with movable rotors, and engine systems comprising same

#9
20120000199
2012-01-05

Positive displacement rotary vane engine

#10
20110271929
2011-11-10

Rotary combustion apparatus

#11
20100310399
2010-12-09

Self-Triggering Rotor for Pneumatic Paddle Motor

#12
20100178189
2010-07-15

ROTARY EXPANDING OR COMPRESSING MECHANISM PROVIDED IN FLUID CHANNEL WITH BLADES FOR TRAVERSING SHAFT

#13
20100178186
2010-07-15

Fluid motor having improved braking effect

#14
20100092325
2010-04-15

Pneumatic vane motor with improved sealing

#15
20100050628
2010-03-04

High efficiency positive displacement thermodynamic system

#16
20090084259
2009-04-02

Pneumatic Tool

#17
20090028735
2009-01-29

Vane-cell machine and method for waste heat utilization, using vane-cell machines

#18
20080216792
2008-09-11

Positive displacement rotary vane engine

#19
20080044300
2008-02-21

Air pump

#20
20070160487
2007-07-12

Rotary combustion apparatus

#21
20070137873
2007-06-21

PNEUMATIC MOTOR IMPROVEMENTS AND PNEUMATIC TOOLS INCORPORATING SAME

#22
20070041859
2007-02-22

Rotary fluid-driven motor with sealing elements

#23
20060283420
2006-12-21

Continuous internal combustion engine and rotary machine

#24
20060283419
2006-12-21

Continuous internal combustion engine

#25
20060204392
2006-09-14

Rotary machine

#26
20060120895
2006-06-08

Rotary positive displacement engine

#27
20060113099
2006-06-01

Pneumatic motor improvements and pneumatic tools incorporating same

#28
20050274350
2005-12-15

Gorski rotary engine

#29
20050235670
2005-10-27

Fluid machine

#30
20050072398
2005-04-07

Positive displacement turbine engine

#31
20050045144
2005-03-03

Vane-type piston, four-cycle multi-chamber rotary internal combustion engine

#32
20050005898
2005-01-13

Multi-stage modular rotary internal combustion engine

#33
18987978
2025-12-23

Single sliding vane rotary displacement pump

#34
14962965
2018-11-06

Reverse vane engine extracting work from hot gas entering an engine at an ambient pressure

#35
13397574
2016-03-08

Steam powered engine