ClassID:

133607

E05F3/223 - CPC Classification

Classification description:

Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices; Additional arrangements for closers, e.g. for holding the wing in opened or other position Hydraulic power-locks, e.g. with electrically operated hydraulic valves

Recent Application in this class:
#1
20240318382
2024-09-26

Sulfonated Lignin-Derived Compounds And Uses Thereof

#2
20240068289
2024-02-29

Power-assistance device

#3
20230304221
2023-09-28

Sulfonated Lignin-Derived Compounds And Uses Thereof

#4
20230160143
2023-05-25

Sulfonated lignin-derived compounds and uses thereof

#5
20210276945
2021-09-09

Sulfonated lignin-derived compounds and uses thereof

#6
20200308890
2020-10-01

Cam type door closer

#7
20190390498
2019-12-26

Hydraulic drive for a door sash or window sash

#8
20190390497
2019-12-26

Regulating valve

#9
20190376532
2019-12-12

Hydraulic lock and method for a hydraulic system

#10
20190152902
2019-05-23

Sulfonated aromatic compounds

#11
20190085006
2019-03-21

Method for producing low molecular weight aromatic lignin-derived compounds

#12
20190024428
2019-01-24

Door closer

#13
20180252014
2018-09-06

Door closer

#14
20130020515
2013-01-24

Hydraulic solenoid distribution valve

#15
20130000074
2013-01-03

Door closer comprising cam drive

#16
20120279013
2012-11-08

Hydraulic directional solenoid valve and door closer having a hydraulic directional solenoid valve

#17
20120272475
2012-11-01

Door Closer Comprising Additional Closing Spring

#18
20120240474
2012-09-27

APPARATUS FOR CONTROLLING THE MOVEMENT OF A CLOSURE

#19
20120240351
2012-09-27

Door closer comprising device for preventing a spring-back

#20
20120233812
2012-09-20

Door closer with free-swing function

#21
20120233811
2012-09-20

Door closer

#22
20120233810
2012-09-20

Door closer having a magnetic distribution valve

#23
20090320236
2009-12-31

Door closer

#24
20080222957
2008-09-18

Door Drive Mechanism, Especially Revolving Door Drive Mechanism

#25
20080209811
2008-09-04

Door Drive Mechanism, Especially Revolving Door Drive Mechanism

#26
20080127562
2008-06-05

Door Drive, in Particular for a Revolving Door

#27
20080092447
2008-04-24

Door Drive Mechanism, Especially Revolving Door Drive Mechanism

#28
20080022490
2008-01-31

Door Closer with a Drive

#29
20080005969
2008-01-10

Door operator, in particular swing door operator

#30
20070033768
2007-02-15

Door closer