ClassID:

143631

F04C19/001 - CPC Classification

Classification description:

Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids General arrangements, plants, flowsheets

Recent Application in this class:
#1
20230296095
2023-09-21

LIQUID BLADE PUMP

#2
20220105858
2022-04-07

Pump System and Method for Operating a Pump System

#3
20210017989
2021-01-21

Liquid ring pump control

#4
20200217318
2020-07-09

Liquid-ring compressor including bypass pipe

#5
20200200172
2020-06-25

Liquid-ring vacuum pump having internal inspection and foreign matter removal functions

#6
20200141410
2020-05-07

Liquid ring vacuum pump

#7
20190063434
2019-02-28

Component-replaceable water ring vacuum pump

#8
20180283406
2018-10-04

METHOD AND DEVICE FOR PUMPING A PRODUCT BY SUCTION

#9
20180214812
2018-08-02

Abatement system

#10
20180207581
2018-07-26

Apparatus for evacuating a corrosive effluent gas stream from a processing chamber

#11
20180207576
2018-07-26

Abatement system

#12
20180179894
2018-06-28

Impeller-type liquid ring compressor

#13
20180003177
2018-01-04

Ring section pump having intermediate tie rod combination

#14
20160169226
2016-06-16

Liquid ring fluid flow machine

#15
20150361979
2015-12-17

Pump assembly and method for evacuating a vapor-filled chamber

#16
20150044016
2015-02-12

Fuel system with liquid ring pump with centrifugal air/fuel separator

#17
20120312392
2012-12-13

Pump system with vacuum source

#18
20110310694
2011-12-22

Systems for managing fluids in a processing environment using a liquid ring pump and reclamation system

#19
20110243758
2011-10-06

Liquid ring pump with gas scavenge device

#20
20110142740
2011-06-16

Method and system for treatment of malodorous gases emanating from a pulp mill

#21
20110008183
2011-01-13

Vacuum source and float valve for a self-priming pump

#22
20090185925
2009-07-23

Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method

#23
20070110591
2007-05-17

Systems and methods for managing fluids using a liquid ring pump

#24
20070109912
2007-05-17

Liquid ring pumping and reclamation systems in a processing environment

#25
20070108113
2007-05-17

Systems and methods for managing fluids in a processing environment using a liquid ring pump and reclamation system

#26
20070059185
2007-03-15

Device for the Performance Adaptation of a Liquid Ring Pump

#27
20060110261
2006-05-25

Pump System with a vacuum source coupled to a separator