F04B7/0057 - CPC Classification Index

ClassID:

142678 ⎘

F04B7/0057 - CPC Classification

Classification description:

Piston machines or pumps characterised by having positively-driven valving Mechanical driving means therefor, e.g. cams

Sub-classes:

F04B7/0061 » {for a rotating member} 15
F04B7/0069 » {for a sliding member} 20

Recent Application in this class:

20240287976

2024-08-29

FLUID SYSTEM WITH A PROPPANT MIXING PUMP

20210033079

2021-02-04

Valves

20200208597

2020-07-02

PUMP UNIT FOR FEEDING FUEL TO AN INTERNAL COMBUSTION ENGINE

20200139525

2020-05-07

Pressing tool

20190316573

2019-10-17

Pump

20180340471

2018-11-29

PUMP BEARING FLOW CONTROL

20170342973

2017-11-30

Infusion pump

20160245278

2016-08-25

Reciprocating compressor with vapor injection system

20160245248

2016-08-25

Fuel pump

#10

20160000999

2016-01-07

Internal cam metering pump

#11

20150198185

2015-07-16

Compressed gas energy storage system

#12

20150139826

2015-05-21

Adjusting opening times of a cam actuated valve, reciprocating compressor and method

#13

20150118083

2015-04-30

Positive drive actuated valve for reciprocating compressor and method

#14

20150032054

2015-01-29

Piston pump and device for feeding and metering a fluid for medical purposes by means of a piston pump

#15

20140286804

2014-09-25

AIR COMPRESSOR HAVING BUFFERING COMPARTMENT

#16

20140170006

2014-06-19

RECIPROCATING COMPRESSOR WITH VAPOR INJECTION SYSTEM

#17

20140170003

2014-06-19

Reciprocating compressor with vapor injection system

#18

20130052041

2013-02-28

Piston pump with cam actuated valves

#19

20110268590

2011-11-03

FLUID WORKING MACHINES AND METHODS

#20

20110226342

2011-09-22

Fluid working machines and methods

#21

20110206545

2011-08-25

Volumetric pump and its driving mechanism