ClassID:

143632

F04C19/002 - CPC Classification

Classification description:

Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids with rotating outer members

Recent Application in this class:
#1
20220008837
2022-01-13

Water vapor distillation apparatus, method and system

#2
20210170299
2021-06-10

Pressurized vapor cycle liquid distillation

#3
20200360832
2020-11-19

Pressurized vapor cycle liquid distillation

#4
20200141410
2020-05-07

Liquid ring vacuum pump

#5
20190381420
2019-12-19

Pressurized vapor cycle liquid distillation

#6
20190368488
2019-12-05

Fluid Transfer Using Devices with Rotatable Housings

#7
20180304169
2018-10-25

Water vapor distillation apparatus, method and system

#8
20170037727
2017-02-09

Liquid ring rotating casing steam turbine and method of use thereof

#9
20160238008
2016-08-18

Liquid ring pump port member having anti-cavitation constructions

#10
20160185617
2016-06-30

Locally powered water distillation system

#11
20160153453
2016-06-02

Fluid transfer using devices with rotatable housings

#12
20160067629
2016-03-10

Pressurized vapor cycle liquid distillation

#13
20150017027
2015-01-15

Liquid ring compressor

#14
20140190816
2014-07-10

Pressurized vapor cycle liquid distillation

#15
20140069800
2014-03-13

Water vapor distillation apparatus, method and system

#16
20140021029
2014-01-23

Locally powered water distillation system

#17
20130334026
2013-12-19

Pressurized vapor cycle liquid distillation

#18
20130292241
2013-11-07

Pressurized vapor cycle liquid distillation

#19
20120324886
2012-12-27

Liquid ring rotating casing steam turbine and method of use thereof

#20
20120087808
2012-04-12

LIQUID RING COMPRESSORS FOR SUBSEA COMPRESSION OF WET GASES

#21
20120073950
2012-03-29

Water vapor distillation apparatus, method and system

#22
20100326812
2010-12-30

Method and apparatus for phase change enhancement

#23
20090290993
2009-11-26

Liquid ring compressor

#24
20090185918
2009-07-23

Fluid transfer using devices with rotatable housings

#25
20090145737
2009-06-11

Water vapor distillation apparatus, method and system

#26
20080260543
2008-10-23

LIQUID RING COMPRESSOR

#27
20080133181
2008-06-05

Locally powered water distillation system

#28
20080105610
2008-05-08

Pressurized vapor cycle liquid distillation

#29
20080105533
2008-05-08

Pressurized vapor cycle liquid distillation

#30
20080105532
2008-05-08

Liquid pumps with hermetically sealed motor rotors

#31
20080105530
2008-05-08

Pressurized vapor cycle liquid distillation

#32
20080105403
2008-05-08

Pressurized vapor cycle liquid distillation

#33
20070017192
2007-01-25

Pressurized vapor cycle liquid distillation

#34
20060039797
2006-02-23

Liquid ring compressor

#35
20050271520
2005-12-08

Liquid ring compressor

#36
20050238499
2005-10-27

Fluid transfer using devices with rotatable housings

#37
20050183832
2005-08-25

Method and apparatus for phase change enhancement

#38
20050112007
2005-05-26

System and method of fluid transfer using devices with rotatable housings

#39
20050016828
2005-01-27

Pressurized vapor cycle liquid distillation