ClassID:

143915

F04C2270/56 - CPC Classification

Classification description:

Control; Monitoring or safety arrangements Number of pump/machine units in operation

Recent Application in this class:
#1
20240301882
2024-09-12

COMPRESSOR

#2
20220049693
2022-02-17

Method for Controlling a Compressor Installation

#3
20170356444
2017-12-14

Transfer device

#4
20170292522
2017-10-12

Compressed air system and method of operating same

#5
20170159652
2017-06-08

Method for controlling a compressor installation

#6
20130164147
2013-06-27

Vacuum pumping

#7
20120029706
2012-02-02

Simulation-Supported Method for Controlling and Regulating Compressed Air Stations

#8
20110286860
2011-11-24

Method for Controlling a Compressor Installation

#9
20110176949
2011-07-21

Rotary compressor with enhanced sealing between mode switching device and chamber thereof

#10
20110135529
2011-06-09

Rotary compressor with improved connection

#11
20110129359
2011-06-02

VARIABLE OUTPUT PUMP

#12
20110129355
2011-06-02

Method for controlling the vacuum generator(s) in a vacuum sewage system

#13
20110123361
2011-05-26

Variable capacity type rotary compressor

#14
20100281898
2010-11-11

Apparatus and method for controlling operation of compressor

#15
20100260638
2010-10-14

Gear pump

#16
20100178174
2010-07-15

Compressor system

#17
20100092324
2010-04-15

Variable capacity rotary compressor

#18
20100018465
2010-01-28

Method in a milking system for creating a required vacuum level and computer program products

#19
20100011807
2010-01-21

Capacity modulation compressor and air conditioning system having the same

#20
20100011806
2010-01-21

Motor, compressor and air conditioning system having the same

#21
20090304522
2009-12-10

Installation for high pressure compression with several stages

#22
20090238710
2009-09-24

Multicylindrical rotary compressor, compression system, and freezing device using the compression system

#23
20080206082
2008-08-28

Closed compressor and refrigerating cycle apparatus

#24
20080107545
2008-05-08

Tandem Pump No-Load Operation Device

#25
20080063534
2008-03-13

OPERATION CONTROL DEVICE AND METHOD OF VACUUM PUMPS

#26
20070154329
2007-07-05

Refrigeration cycle system

#27
20060216159
2006-09-28

Multiple compressor control system

#28
20060193732
2006-08-31

Variable capacity compressor and starting method thereof

#29
20060140802
2006-06-29

Multicylindrical rotary compressor, compression system, and freezing device using the compression system

#30
20060127257
2006-06-15

Capacity-changing unit of orbiting vane compressor

#31
20060034720
2006-02-16

Variable capacity rotary compressor

#32
20060002809
2006-01-05

Rotary closed type compressor and refrigerating cycle apparatus

#33
20050214137
2005-09-29

Multicylinder rotary compressor and compressing system and refrigerating unit provided with same

#34
20050201882
2005-09-15

Vacuum pumping system

#35
20050180855
2005-08-18

Pump unit with multiple operation modes

#36
20050019191
2005-01-27

Variable capacity rotary compressor

#37
14261585
2016-08-23

Drive system having a variable output pump