ClassID:

143866

F04C2270/051 - CPC Classification

Classification description:

Control; Monitoring or safety arrangements; Speed Controlled or regulated

Recent Application in this class:
#1
20260126044
2026-05-07

SCROLL-TYPE ELECTRIC COMPRESSOR

#2
20250264104
2025-08-21

NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM

#3
20250129781
2025-04-24

A VARIABLE-SPEED REFRIGERATING SCROLL COMPRESSOR WITH AN OIL FLOW REGULATING DEVICE

#4
20250044007
2025-02-06

Compressor/Expander Machine

#5
20240301882
2024-09-12

COMPRESSOR

#6
20240218878
2024-07-04

CONTROL METHOD FOR COMPRESSOR AND COMPRESSOR SYSTEM

#7
20240183491
2024-06-06

High efficiency seal oil system

#8
20240133380
2024-04-25

Control of liquid ring pump

#9
20240077044
2024-03-07

METHODS AND SYSTEMS FOR MOTOR-DRIVEN METERING PUMP

#10
20230366391
2023-11-16

GAS COMPRESSOR

#11
20230349377
2023-11-02

PUMP DEVICE

#12
20230340958
2023-10-26

NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM

#13
20230340836
2023-10-26

BLASTHOLE DRILL COMPRESSOR DRIVE SYSTEM

#14
20230167824
2023-06-01

Pump speed controlling method and apparatus, a computer program and a computer readable medium having stored thereon the computer program applied thereby and a pump

#15
20210317829
2021-10-14

System to pump fluid and control thereof

#16
20210281208
2021-09-09

Variable speed drive with secondary windings

#17
20210239137
2021-08-05

System to pump fluid and control thereof

#18
20200355183
2020-11-12

Pump assembly for a vehicle, and control system for a pump assembly and method

#19
20200173441
2020-06-04

METHOD FOR MONITORING AN OPERATING STATE OF A PUMPING DEVICE

#20
20200032801
2020-01-30

Method for operation control of compressor and the compressor

#21
20190285069
2019-09-19

In-vehicle motor-driven compressor and method for controlling in-vehicle motor-driven compressor

#22
20190162186
2019-05-30

Noise and vibration management for smoke evacuation system

#23
20190010964
2019-01-10

System to pump fluid and control thereof

#24
20180356139
2018-12-13

Compressor control for increased efficiency

#25
20180283379
2018-10-04

Method for regulating the rotational speed of a compressor as a function of the available gas flow of a source and regulation thereby applied

#26
20180252213
2018-09-06

System to pump fluid and control thereof

#27
20170350397
2017-12-07

Method for controlling a gas supply to a vacuum pump

#28
20170284409
2017-10-05

Method for controlling motor-driven compressor configured to be installed in vehicle

#29
20170191475
2017-07-06

System and method for controlling a system that includes fixed speed and variable speed compressors

#30
20170184095
2017-06-29

Gear pump

#31
20170097019
2017-04-06

System to pump fluid and control thereof

#32
20160281716
2016-09-29

Motor-driven compressor

#33
20160084274
2016-03-24

System to pump fluid and control thereof

#34
20160010641
2016-01-14

System and method for control and optimization of PCP pumped well operating parameters

#35
20130294932
2013-11-07

Oil-flooded screw compressor, motor drive system, and motor control

#36
20100178175
2010-07-15

Start-up control device and method for electric scroll compressor

#37
20100028165
2010-02-04

Oil-flooded screw compressor, motor drive system, and motor control device

#38
20100018465
2010-01-28

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

#39
20080240953
2008-10-02

ROTARY COMPRESSOR UNIT AND METHOD OF CONTROLLING OPERATION THEREOF