ClassID:

136708

F01C20/28 - CPC Classification

Classification description:

Control of, monitoring of, or safety arrangements for, machines or engines Safety arrangements; Monitoring

Recent Application in this class:
#1
20240102388
2024-03-28

Valve position control

#2
20220154602
2022-05-19

VALVE POSITION CONTROL

#3
20210080355
2021-03-18

Tested products of PDM performance testing device

#4
20210057917
2021-02-25

Breaker auto-synchronizer

#5
20210054790
2021-02-25

Turbine speed detection and use

#6
20210054789
2021-02-25

Turbine control system

#7
20210054765
2021-02-25

Valve position control

#8
20210054741
2021-02-25

Turbine diagnostics

#9
20200158011
2020-05-21

Rotary internal combustion engine with removable subchamber insert

#10
20200018229
2020-01-16

Internal combustion engine with a rotating piston and uni-directional rolling bear

#11
20190368974
2019-12-05

Stall simulator for PDM performance testing device

#12
20180258844
2018-09-13

Intake/outlet pipe optimization method for rotary engine

#13
20180223665
2018-08-09

Enhanced PDM performance testing device

#14
20180216462
2018-08-02

PDM performance simulation and testing

#15
20170328274
2017-11-16

Internal combustion engine with split pilot injection

#16
20170284201
2017-10-05

MALFUNCTION DIAGNOSIS APPARATUS FOR GEAR MOTOR

#17
20170268339
2017-09-21

PDM performance testing device

#18
20170167262
2017-06-15

Scroll expander

#19
20170096897
2017-04-06

Method for expanding a gas flow and device thereby applied

#20
20160201464
2016-07-14

INTAKE/OUTLET PIPE OPTIMIZATION METHOD FOR ROTARY ENGINE

#21
20150167466
2015-06-18

TACHOMETER FOR DOWNHOLE DRILLING MOTOR

#22
20150051742
2015-02-19

Vibration protection in a variable speed compressor

#23
20140308147
2014-10-16

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#24
20120031141
2012-02-09

Fluid Machine, and Refrigerant Circuit and Waste Heat Utilization Device Using the Fluid Machine

#25
20110129354
2011-06-02

Vibration protection in a variable speed compressor

#26
20100266435
2010-10-21

Gerotor apparatus for a quasi-isothermal Brayton cycle engine

#27
20100213786
2010-08-26

Electric machine having rotor and stator configurations

#28
20090169364
2009-07-02

Progressive cavity apparatus with transducer and methods of forming and use

#29
20090093911
2009-04-09

Vibration protection in a variable speed compressor

#30
20080025836
2008-01-31

Overspeed safety device for a rotation motor

#31
20060279155
2006-12-14

Electric machine having a high-torque switched reluctance motor

#32
20060239849
2006-10-26

Gerotor apparatus for a quasi-isothermal Brayton cycle engine