ClassID:

136590

F01C1/067 - 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 with coaxially-mounted members having continuously-changing circumferential spacing between them having cam-and-follower type drive

Recent Application in this class:
#1
20250172068
2025-05-29

Bidirectional Rotary Hydraulic Motor and Pump

#2
20240191625
2024-06-13

Bidirectional rotary hydraulic motor and pump

#3
20190353036
2019-11-21

Rotary Piston Engine with Solid Particle Fuel Capability

#4
20160312611
2016-10-27

Multiple vane roto-dynamic variable displacement kinetic system

#5
20140377113
2014-12-25

Pump and/or compressor arrangement including mating, oscillatable vane members for the simultaneous admission and discharge of fluid

#6
20140348678
2014-11-27

Heat engine, method of control of the rotational speed in a heat engine, and method of design of a cam profile for a heat engine

#7
20120237370
2012-09-20

ENGINE HAVING ROTARY PISTONS

#8
20110027113
2011-02-03

Rotary piston device having interwined dual linked and undulating rotating pistons

#9
20100258075
2010-10-14

Vane-type rotary actuator or an internal combustion machine

#10
20080159897
2008-07-03

Reciprocating component-free kinematic motion apparatus for transforming pressure variations of a fluid operating in cyclically variable volume toroidal chambers into a mechanical work on a rotary axis and engine including said apparatus

#11
20070073395
2007-03-29

Intervertebral implant with moveable endcaps

#12
20060225691
2006-10-12

Differential with guided feedback control for rotary opposed-piston engine

#13
20060193740
2006-08-31

Apparatus adapted to perform as compressor, motor, pump and internal combustion engine

#14
20060193739
2006-08-31

Retro mechanical post mechanical and bi-mechanical traction engines

#15
18074817
2024-04-09

Bidirectional rotary hydraulic motor and pump

#16
15898742
2020-07-21

High pressure axial piston pump with multiple discharge ports