ClassID:

142601

F04B1/1071 - CPC Classification

Classification description:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with actuating or actuated elements at the outer ends of the cylinders with rotary cylinder blocks

Sub-classes:
Recent Application in this class:
#1
20250361856
2025-11-27

FABRICATION OF NANOTUBE BUNDLES AND REACTORS FOR THE SAME

#2
20250327437
2025-10-23

HYDRAULIC MACHINE PROVIDED WITH A DIRECTION CHANGING DRAWER

#3
20240352890
2024-10-24

Oil pump for gas turbine engine and associated method of pumping oil

#4
20240209854
2024-06-27

RADIAL PISTON PUMPS

#5
20240093666
2024-03-21

HYDROSTATIC RADIAL PISTON UNIT

#6
20240044319
2024-02-08

HYDROSTATIC RADIAL PISTON UNIT

#7
20230175496
2023-06-08

Hydraulic machine comprising bearings for supporting the rotating component

#8
20220412330
2022-12-29

BALL PISTON PUMP

#9
20220349394
2022-11-03

RADIAL RECIPROCATING ENGINE HAVING A BALL PISTON

#10
20220065236
2022-03-03

Hydraulic radial piston device

#11
20210246745
2021-08-12

Device for hydraulically operating a drive wheel of a wellbore tractor, e.g. a motor, and related tractor, wellbore string, and method

#12
20190154036
2019-05-23

Pump unit with integrated piston pump and electric motor

#13
20190128259
2019-05-02

Hydraulic machine including an improved braking system

#14
20180187661
2018-07-05

Harmonic distribution radial piston hydraulic machine

#15
20180156206
2018-06-07

Radial piston device with reduced pressure drop

#16
20180142677
2018-05-24

Insert type rotor for radial piston device

#17
20180073492
2018-03-15

Hydraulic radial piston device

#18
20160208610
2016-07-21

Hydraulic radial piston device with improved pressure transition mechanism

#19
20150354537
2015-12-10

Radial piston pump and wind power generator

#20
20150147210
2015-05-28

Pulsation-free positive displacement rotary pump

#21
20130343914
2013-12-26

Variable radial fluid device with differential piston control

#22
20130228071
2013-09-05

Piston unit

#23
20130180237
2013-07-18

Hydraulic transmission circuit with multiple capacities

#24
20130145929
2013-06-13

Hydrostatic radial piston machine

#25
20120042774
2012-02-23

Displacement assembly for a fluid device

#26
20110283878
2011-11-24

Rotary Pump

#27
20110268596
2011-11-03

Fluid device with flexible ring

#28
20100180586
2010-07-22

Self-Contained Hydraulic Actuator System

#29
20100154743
2010-06-24

Hydraulic radial piston engine

#30
20090087330
2009-04-02

Fluid pump

#31
20080010984
2008-01-17

Self-contained hydraulic actuator system

#32
20070017220
2007-01-25

Self-contained hydraulic actuator system

#33
20060222512
2006-10-05

Variable displacement radial piston pump