F04B9/1376 - CPC Classification Index

ClassID:

142754 ⎘

F04B9/1376 - CPC Classification

Classification description:

Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having plural pumping chambers the pumping members not being mechanically connected to each other the movement of each piston in one direction being obtained by a single-acting piston fluid motor

Sub-classes:

F04B9/1378 » {the movement in the other direction being obtained by an hydraulic connection between the fluid motor cylinders} 1

Recent Application in this class:

20250207575

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

20240125313

Drive system for a positive displacement pump

20210310475

Drive system for a positive displacement pump

20190093651

DRIVE SYSTEM FOR A POSITIVE DISPLACEMENT PUMP

20150226205

Mechanical drive system for a pulseless positive displacement pump

20100043424

System for generating electrical power and potable water from sea waves

20060204375

Pressure driven pumping system