ClassID:

136377

F01B3/0035 - CPC Classification

Classification description:

Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons

Sub-classes:
Recent Application in this class:
#1
20250290418
2025-09-18

HYDRAULIC PISTON PUMP/MOTOR WITH NON-CANTILEVERED PISTONS

#2
20240280020
2024-08-22

VARIABLE DISPLACEMENT HYDRAULIC MOTOR

#3
20210215044
2021-07-15

Mechanism and method for a high efficiency low noise hydraulic pump/motor

#4
20200256332
2020-08-13

Variable pre and de-compression control mechanism and method for hydraulic displacement pump

#5
20190264564
2019-08-29

Cylinder block and swash plate type liquid-pressure rotating apparatus including same

#6
20170356334
2017-12-14

Rotary piston engine

#7
20160265428
2016-09-15

ROTARY PISTON ENGINE WITH EXTERNAL EXPLOSION/EXPANSION CHAMBER

#8
20150240637
2015-08-27

Fluid pressure rotating machine

#9
20150122115
2015-05-07

Hydrostatic Axial Piston Machine

#10
20140150640
2014-06-05

Hydrostatic positive displacement machine

#11
20130205987
2013-08-15

Hydraulic axial piston machine

#12
20130000481
2013-01-03

COOLING STRUCTURE OF CYLINDER BLOCK AND SWASH PLATE TYPE LIQUID-PRESSURE APPARATUS INCLUDING SAME

#13
20120180650
2012-07-19

Axial piston machines

#14
20120118249
2012-05-17

AXIAL-PISTON ENGINE, METHOD FOR OPERATING AN AXIAL-PISTON ENGINE, AND METHOD FOR PRODUCING A HEAT EXCHANGER OF AN AXIAL-PISTON ENGINE

#15
20100258082
2010-10-14

ROTARY CYLINDER BLOCK ENGINE WITH UNEQUAL COMPRESSION AND EXPANSION STROKES

#16
20100154626
2010-06-24

Braking system for a hydraulic motor

#17
20080240938
2008-10-02

Radial rotary engine with energy storage

#18
20070256554
2007-11-08

Hydraulic tool with wobble plate transmission

#19
20070137595
2007-06-21

Radial engine power system

#20
20070131184
2007-06-14

Single-ended barrel engine with double-ended, double roller pistons

#21
20060120881
2006-06-08

Axial piston machine

#22
20060005698
2006-01-12

Hydraulic device driving a rotating receiver

#23
20050284425
2005-12-29

Reciprocating and rotary internal combustion engine, compressor and pump

#24
20050172799
2005-08-11

Swashplate assembly

#25
20050172798
2005-08-11

Rotating group of a hydraulic machine

#26
20050145207
2005-07-07

Single-ended barrel engine with double-ended, double roller pistons

#27
20050123412
2005-06-09

Swash plate type hydraulic pump or motor

#28
20050095144
2005-05-05

Swash plate type hydraulic pump or motor

#29
20050066917
2005-03-31

Rotary piston machine

#30
14829442
2017-01-10

Continuously variable displacement engine