ClassID:

142839

F04B27/04 - CPC Classification

Classification description:

Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement

Sub-classes:
Recent Application in this class:
#1
20240240627
2024-07-18

RADIAL PISTON PUMP, IN PARTICULAR RADIAL PISTON COMPRESSOR

#2
20210215148
2021-07-15

METHOD AND EQUIPMENT FOR IMPROVING THE EFFICIENCY OF COMPRESSORS AND REFRIGERATORS

#3
20190359016
2019-11-28

Vehicle wheel, in particular a bicycle wheel, hub for such a wheel and vehicle fitted with such a wheel

#4
20190203885
2019-07-04

Tank state-detecting breathing air charger

#5
20180245574
2018-08-30

Reciprocating piston compressor, a retrofit kit for a reciprocating piston compressor and the use of a connecting rod in a reciprocating piston compressor

#6
20180100493
2018-04-12

Piston cylinder arrangement for an oil free compressor having cooling passageways and method of cooling wrist pin bearing surface

#7
20170036505
2017-02-09

Integrated air-supply unit

#8
20160281701
2016-09-29

Method and equipment for improving the efficiency of compressors and refrigerators

#9
20160185473
2016-06-30

Packaging machine with a fluid pump assembly

#10
20160001624
2016-01-07

Compressor arrangement for compressed air supply facility

#11
20150369233
2015-12-24

Compressor having oil separator

#12
20150316045
2015-11-05

Unitary fluid flow apparatus for inflating and deflating a device

#13
20150030478
2015-01-29

Sealed compressor and refrigeration unit comprising sealed compressor

#14
20140356196
2014-12-04

Natural gas compressor

#15
20140341758
2014-11-20

Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor

#16
20120023973
2012-02-02

METHOD AND EQUIPMENT FOR IMPROVING THE EFFICIENCY OF COMPRESSORS AND REFRIGERATORS

#17
20110214451
2011-09-08

Compressor and refrigerating machine having the same

#18
20060216176
2006-09-28

Refrigerant compressor for motor vehicles