Patents-Review.com
ClassID:

143749 ⎘

F04C2210/22 - CPC Classification

Classification description:

Fluid gaseous, i.e. compressible

Sub-classes:
Recent Application in this class:
#1
20260016007
2026-01-15

SCROLL PUMP

 #2
20250188933
2025-06-12

DEVICES FOR COMPRESSING A GASEOUS FLUID AND METHOD OF OPERATING A DEVICE FOR COMPRESSING A GASEOUS FLUID

 #3
20240133378
2024-04-25

Scroll compressor having injection passage containing muffler

 #4
20230279875
2023-09-07

LIQUID BLADE PUMP

 #5
20230160383
2023-05-25

Compressor

 #6
20230114913
2023-04-13

Compressor having lubrication system

 #7
20230078088
2023-03-16

PUMP

 #8
20220120277
2022-04-21

Compressor having lubrication system

 #9
20210363989
2021-11-25

Machine for depressurizing or compressing gaseous media

 #10
20210301825
2021-09-30

Rotary fluid flow device

 #11
20210247154
2021-08-12

Heat exchange system for surgical instrument

 #12
20210172440
2021-06-10

Pump having liquid blades and an associated method of pumping

 #13
20210115917
2021-04-22

SCROLL COMPRESSOR

 #14
20210025395
2021-01-28

Scroll compressor with first and second compression chambers having first and second discharge start points

 #15
20210010474
2021-01-14

Liquid ring pump control

 #16
20200256338
2020-08-13

Sealing device for oil injection-type screw compressor

 #17
20200256337
2020-08-13

Internal discharge gas passage for compressor

 #18
20200166033
2020-05-28

Multi-stage compressor and air conditioner

 #19
20200102958
2020-04-02

Twin shaft pumps and a method of pumping

 #20
20190383288
2019-12-19

Compressor

 #21
20190383286
2019-12-19

Scroll compressor provided with a stator winding baffle

 #22
20190353163
2019-11-21

Scroll compressor

 #23
20190316589
2019-10-17

Compressor having muffler function

 #24
20190316586
2019-10-17

ROTARY CYLINDER PISTON COMPRESSOR PUMP AND COMPRESSOR WITH ROTARY CYLINDER PISTON COMPRESSOR PUMP

 #25
20190277292
2019-09-12

COMPRESSOR

 #26
20190271317
2019-09-05

Rotary fluid flow device

 #27
20190271313
2019-09-05

Vane pump

 #28
20190264688
2019-08-29

Scroll compressor having offset portion provided on discharge port to reduce backflow

 #29
20190264687
2019-08-29

Scroll compressor having a fitted bushing and weight arrangement

 #30
20190257310
2019-08-22

OIL-LUBRICATED ROTARY VANE VACUUM PUMP

 #31
20190249666
2019-08-15

Capacity control for chillers having screw compressors

 #32
20190242385
2019-08-08

Compressor and valve assembly

 #33
20190186489
2019-06-20

Scroll compressor

 #34
20180333658
2018-11-22

Mud pump and vacuum gas extraction system

 #35
20180023571
2018-01-25

Oil-flooded screw compressor system and method for modifying the same

 #36
20170306964
2017-10-26

Scroll compressor

 #37
20170259192
2017-09-14

Mud pump and vacuum gas extraction system

 #38
20170138361
2017-05-18

Compressor having a check valve in the injection passage

 #39
20170138360
2017-05-18

Low-backpressure rotary compressor

 #40
20170051743
2017-02-23

Gas Compressor

 #41
20160363121
2016-12-15

Scroll compressor

 #42
20160312781
2016-10-27

Refrigerant compressor lubricant viscosity enhancement

 #43
20160305430
2016-10-20

Scroll compressor having an insulated high-strength partition assembly

 #44
20160273539
2016-09-22

Claw pump

 #45
20160241092
2016-08-18

Permanent magnet embedded electric motor, compressor, and a refrigerating and air conditioning device

 #46
20160238007
2016-08-18

Scroll member and scroll-type fluid machine

 #47
20110143311
2011-06-16

Combination vertical rotary vane suction pump and liquid separator