ClassID:

9721

A47C7/443 - CPC Classification

Classification description:

Parts, details, or accessories of chairs or stools; Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs

Recent Application in this class:
#1
20260123756
2026-05-07

LIGHTWEIGHT SEAT FOR HIGH-DENSITY CONFIGURATION AND CLUSTER OF ADJACENT SEAT FOR HIGH-DENSITY CONFIGURATIONS

#2
20260090644
2026-04-02

SEATING ARRANGEMENT

#3
20260026628
2026-01-29

PORTABLE REBOUNDING DEVICE WITH ADJUSTABLE AND COLLAPSIBLE FEATURES

#4
20260013637
2026-01-15

CHAIRBACK STRUCTURE CAPABLE OF PROVIDING DYNAMIC SUPPORT FOR USERS IN DIFFERENT SITTING POSTURES

#5
20260000206
2026-01-01

CHAIR INCLUDING A LEAF SPRING IN CONTACT WITH A LINKAGE TO PROVIDE RESISTANCE TO TILTING OF A BACKREST OF THE CHAIR

#6
20250228367
2025-07-17

CHAIR

#7
20250204687
2025-06-26

BODY SUPPORT STRUCTURE

#8
20250151911
2025-05-15

PORTABLE REBOUNDING DEVICE WITH ADJUSTABLE AND COLLAPSIBLE FEATURES

#9
20250098863
2025-03-27

ERGONOMIC CHAIR

#10
20250000268
2025-01-02

CHAIR FOR THE SITTING OF A USER

#11
20240349897
2024-10-24

TILT CONTROL SYSTEM FOR A CHAIR

#12
20240277154
2024-08-22

RECLINING MECHANISM FOR A FOLDING CHAIR

#13
20240268560
2024-08-15

CHAIR INCLUDING A LEAF SPRING IN CONTACT WITH A LINKAGE TO PROVIDE RESISTANCE TO TILTING OF A BACKREST OF THE CHAIR

#14
20240260757
2024-08-08

STOWAWAY COMPACT ROCKER

#15
20240215728
2024-07-04

ROCKING CHAIR

#16
20240138573
2024-05-02

Body support structure

#17
20240108137
2024-04-04

STADIUM SEAT

#18
20240074582
2024-03-07

SEATING ARRANGEMENT

#19
20240000235
2024-01-04

Chair having a leaf spring with a working length that shortens to increase resistance to tilting of a backrest relative to a column

#20
20230380596
2023-11-30

CHAIR

#21
20230363542
2023-11-16

Chair having at least three different components that move together when a weight is applied to the seat, the chair also including a leaf spring in direct contact with the linkage to provide resistance to tilting of a backrest of the chair

#22
20230346127
2023-11-02

Chair having a leaf spring in contact with a linkage to provide a resistance to tilting of a backrest of the chair relative to a column of the chair

#23
20230240447
2023-08-03

Reconfigurable apparatus having a leaf spring with a working length that shortens to increase resistance to tilting of a backrest relative to a column, and process for assembling the reconfigurable apparatus

#24
20230180936
2023-06-15

Chair having a leaf spring with a fulcrum point that moves to shorten a working length of the leaf spring and increase resistance to tilting of a backrest portion of the chair relative to a column portion of the chair

#25
20230172361
2023-06-08

CHAIR BACK ADJUSTING MECHANISM

#26
20230129979
2023-04-27

PORTABLE REBOUNDING DEVICE WITH ADJUSTABLE AND COLLAPSIBLE FEATURES

#27
20220378208
2022-12-01

Tiltable chair

#28
20220248856
2022-08-11

Body support structure

#29
20220225777
2022-07-21

Seat connecting device with adjustable backrest

#30
20220142369
2022-05-12

Tilt locking device

#31
20220095798
2022-03-31

CHAIR BACK

#32
20210169225
2021-06-10

Apparatus with weight responsive changeable adjusting characteristics

#33
20210037977
2021-02-11

Load support structure

#34
20200345142
2020-11-05

Chair assembly with upholstery covering

#35
20200315355
2020-10-08

Chair and seat support mechanism

#36
20200178693
2020-06-11

Tilting mechanism for chairs

#37
20200138196
2020-05-07

Adjustment device for a chair with rocking mechanism

#38
20190274433
2019-09-12

Apparatus with weight responsive changeable adjusting characteristics

#39
20190209886
2019-07-11

Systems and Methods for Providing Ergonomic Chairs

#40
20190208915
2019-07-11

Chair or armchair with adjustable backrest

#41
20190133323
2019-05-09

Chair arm assembly

#42
20190133322
2019-05-09

Chair assembly with upholstery covering

#43
20190090647
2019-03-28

Flexible support device for chair back tilting

#44
20190045934
2019-02-14

Chairs including flexible frames

#45
20180332967
2018-11-22

Seat structure and chair

#46
20180279785
2018-10-04

Oscillation mechanism for chairs

#47
20180213939
2018-08-02

Item of seating furniture, in particular an office chair

#48
20180184810
2018-07-05

Seat pivoting mechanism and chair height locking system

#49
20180160813
2018-06-14

Control assembly for chair

#50
20180103759
2018-04-19

Chair arm assembly

#51
20180098633
2018-04-12

Adjusting mechanism and chair including the same

#52
20180078812
2018-03-22

Systems and methods for providing ergonomic chairs

#53
20170367485
2017-12-28

Seat tilting mechanism with two springs

#54
20170340120
2017-11-30

STRUCTURE FOR CHAIR BACKREST

#55
20170273462
2017-09-28

Back Adjusting and Positioning Structure of Chair

#56
20170245642
2017-08-31

Chair assembly with upholstery covering

#57
20170007023
2017-01-12

SPRING ASSEMBLY

#58
20170007022
2017-01-12

Chair back mechanism and control assembly

#59
20160367029
2016-12-22

Control assembly for chair

#60
20160353891
2016-12-08

Chair assembly

#61
20160324320
2016-11-10

Chair arm assembly

#62
20160309902
2016-10-27

Chair with adjustable backrest

#63
20160270541
2016-09-22

Lounge chair

#64
20160227935
2016-08-11

Apparatus with weight responsive changeable adjusting characteristics

#65
20160174720
2016-06-23

Adjusting mechanism for adjusting a restoring force acting on the backrest of a chair, and office chair provided with such an adjusting mechanism

#66
20150374132
2015-12-31

Mechanism for an office chair

#67
20150335160
2015-11-26

Chair with a tilting backrest

#68
20150305505
2015-10-29

Chair assembly with upholstery covering

#69
20150289660
2015-10-15

Flexible tilt adjustment device for a chair back

#70
20150272334
2015-10-01

BACK REST ARRANGEMENT

#71
20150265053
2015-09-24

Control assembly for chair

#72
20150230616
2015-08-20

Flexible back chair with improved spring can assembly

#73
20150230615
2015-08-20

Flexible back chair with spring can assembly

#74
20150216314
2015-08-06

Spring back hinge with or without spring lock mechanism

#75
20150182026
2015-07-02

One-piece office chair with an adjusting apparatus

#76
20150164230
2015-06-18

Chair assembly with upholstery covering

#77
20150164227
2015-06-18

Chair assembly

#78
20150164226
2015-06-18

Control assembly for chair

#79
20150164225
2015-06-18

Functional chair

#80
20150157131
2015-06-11

Chair arm assembly

#81
20150157128
2015-06-11

Chair back mechanism and control assembly

#82
20140239688
2014-08-28

Mobile task chair and mobile task chair control mechanism with adjustment capabilities and visual setting indicators

#83
20140238169
2014-08-28

Pivoting mechanism with gross and fine resistance adjustment

#84
20140077571
2014-03-20

Method of assembling a chair component

#85
20140077542
2014-03-20

Chair assembly with upholstery covering

#86
20130234484
2013-09-12

Backrest inclination structure for lumbar support

#87
20130119735
2013-05-16

Spring back hinge with or without spring lock mechanism

#88
20130113249
2013-05-09

Smart seating chair with IC controls, electronic sensors, and wired and wireless data and power transfer capabilities

#89
20130033078
2013-02-07

Chair with a rocking mechanism

#90
20130020849
2013-01-24

Resilient leaning position-restoring device for height-adjustable chair back of office chair

#91
20130001994
2013-01-03

Chair with a Resilient Back

#92
20120306249
2012-12-06

MULTIFUNCTIONAL CHAIR

#93
20120292968
2012-11-22

Balance chair

#94
20120274111
2012-11-01

Chair with tilting backrest

#95
20120256458
2012-10-11

Chair

#96
20120153700
2012-06-21

Seating furniture with independently free-swinging seat and backrest

#97
20120153693
2012-06-21

Preference control mechanism

#98
20120032484
2012-02-09

Mobile task chair and mobile task chair control mechanism with adjustment capabilities and visual setting indicators

#99
20120025578
2012-02-02

Pivoting mechanism with gross and fine resistance adjustment

#100
20110260517
2011-10-27

Multi-section angle adjusting structure for a chair back

#101
20110175423
2011-07-21

Load support structure

#102
20110067931
2011-03-24

Piece of furniture

#103
20100301652
2010-12-02

Back Rest for a Stool or a Chair, and Stool or Chair Provided with such a Back Rest

#104
20100264713
2010-10-21

Seat back reclining member

#105
20100187883
2010-07-29

Apparatus for adjusting the seat back angle

#106
20100181815
2010-07-22

Method and apparatus to enhance proprioception and core health of the human body

#107
20100176636
2010-07-15

BUFFERING DEVICE FOR CHAIR

#108
20100148554
2010-06-17

Backrest device

#109
20090302656
2009-12-10

Preference control mechanism

#110
20090278391
2009-11-12

Work Chair

#111
20090261637
2009-10-22

Piece of furniture

#112
20090174128
2009-07-09

DEVICE FOR REGULATING THE ELASTIC FORCE EXERTED BY A PLURALITY OF SPRINGS

#113
20090102268
2009-04-23

Load support structure

#114
20090066134
2009-03-12

Permanent contact mechanism

#115
20090058160
2009-03-05

Seating with shape-changing back support frame

#116
20080252124
2008-10-16

Apparatus for adjusting the angle of a seat back of an office chair

#117
20070278841
2007-12-06

Backpost unit of wooden dining chair with reclining mechanism

#118
20070210634
2007-09-13

Ergonomic chair

#119
20070108819
2007-05-17

Chair

#120
20070052270
2007-03-08

Height adjustable chair with rocking function

#121
20070040432
2007-02-22

Synchronisation mechanism for chairs or armchairs

#122
20060284461
2006-12-21

Chair with recline control mechanism, recline limit control and back tilt mechanism

#123
20060255636
2006-11-16

Mechanism for adjusting the inclination of backrests in chairs and arm-chairs, particularly in office chairs

#124
20060202536
2006-09-14

Chair with self-adjusting chair back

#125
20060202535
2006-09-14

Seating with shape-changing back support frame

#126
20060202534
2006-09-14

Seating with shape-changing back support frame

#127
20060181128
2006-08-17

Chair and support mechanism unit thereof

#128
20060061171
2006-03-23

Cushioning device to cushion the backrest of a chair, an armchair, an office chair or similar

#129
20050194823
2005-09-08

Flexible chair with post base

#130
20050173958
2005-08-11

Mechanical device particularly for moving the seat and backrest of a chair

#131
20050168030
2005-08-04

Sitting device

#132
20050161990
2005-07-28

Chair with tiltable backrest

#133
20050156453
2005-07-21

Reclining apparatus for chair

#134
20050151400
2005-07-14

Flexible chair back

#135
20050082891
2005-04-21

Dining chair with reclining mechanism

#136
19360981
2026-05-12

Portable rocking chair

#137
14677104
2015-10-27

One-piece office chair in three dimensions

#138
14520405
2016-01-26

Resilient-support adjusting device of chair backrest