ClassID:

9722

A47C7/445 - 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 bar or leaf springs

Recent Application in this class:
#1
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

#2
20250204687
2025-06-26

BODY SUPPORT STRUCTURE

#3
20250151912
2025-05-15

SEATING ARRANGEMENT

#4
20250098863
2025-03-27

ERGONOMIC CHAIR

#5
20250098862
2025-03-27

PORTABLE REBOUNDING DEVICE WITH FORCE ADJUSTMENT ASSEMBLY

#6
20240407554
2024-12-12

FLEXING CHAIR SHELL WITH FLEXIBLE ELEMENTS

#7
20240389756
2024-11-28

LOAD-SUPPORTING STRUCTURE FOR CHAIR AND CHAIR

#8
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

#9
20240237826
2024-07-18

SEATING ARRANGEMENT

#10
20240138573
2024-05-02

Body support structure

#11
20240122354
2024-04-18

CHAIR WITH DYNAMIC MOTION FEATURES

#12
20240108137
2024-04-04

STADIUM SEAT

#13
20240099464
2024-03-28

Chair and Components

#14
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

#15
20230389707
2023-12-07

Portable rebounding device with force adjustment assembly

#16
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

#17
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

#18
20230301437
2023-09-28

Chairs including flexible frames

#19
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

#20
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

#21
20220378208
2022-12-01

Tiltable chair

#22
20220273103
2022-09-01

Chair having pliable backrest and methods for same

#23
20220248856
2022-08-11

Body support structure

#24
20220232981
2022-07-28

Multi-gear supporting and adjustment mechanism, and adjustable seat

#25
20220095797
2022-03-31

Portable rebounding device with force adjustment assembly

#26
20210345781
2021-11-11

Seating arrangement

#27
20210267375
2021-09-02

Body support assembly and methods for the use and assembly thereof

#28
20210169225
2021-06-10

Apparatus with weight responsive changeable adjusting characteristics

#29
20210052078
2021-02-25

Seating arrangement

#30
20210037977
2021-02-11

Load support structure

#31
20210030156
2021-02-04

Chair having pliable backrest and methods for same

#32
20200288872
2020-09-17

Seating arrangement

#33
20200229614
2020-07-23

Chair

#34
20200229605
2020-07-23

Chairs including flexible frames

#35
20200221873
2020-07-16

Seat, in particular an office chair

#36
20190274433
2019-09-12

Apparatus with weight responsive changeable adjusting characteristics

#37
20190216224
2019-07-18

Chair with activated back flex

#38
20190192901
2019-06-27

Systems and methods for providing ergonomic exercise chairs

#39
20190142168
2019-05-16

Chair structure

#40
20190133327
2019-05-09

Seating arrangement

#41
20190045934
2019-02-14

Chairs including flexible frames

#42
20190038033
2019-02-07

Chair

#43
20190029440
2019-01-31

Chair

#44
20190021500
2019-01-24

Seat, in particular an office chair

#45
20180295996
2018-10-18

SEATING ARRANGEMENT

#46
20180289158
2018-10-11

Furniture member having flexible seatback

#47
20180125246
2018-05-10

Seating arrangement

#48
20180125245
2018-05-10

Seating arrangement

#49
20180035804
2018-02-08

CHAIR, IN PARTICULAR OFFICE CHAIR

#50
20180027973
2018-02-01

Seating arrangement

#51
20180014646
2018-01-18

Seat, in particular an office chair

#52
20170318969
2017-11-09

Movable human support structure

#53
20170273463
2017-09-28

Adjustable chair

#54
20170258231
2017-09-14

Chair and supports

#55
20170231395
2017-08-17

Backrest for an office chair

#56
20170231391
2017-08-17

Chair, in particular office chair

#57
20170224119
2017-08-10

Conforming back for a seating unit

#58
20170188714
2017-07-06

Chair Apparatus for Enhancing Sexual Intimacy

#59
20170065087
2017-03-09

Ergonomic seating assemblies and methods

#60
20170035201
2017-02-09

Seat, in particular an office chair

#61
20170014680
2017-01-19

Systems and method for providing ergonomic exercise chairs

#62
20160353896
2016-12-08

Chair with activated back flex

#63
20160316916
2016-11-03

Banquet chair with outer spring

#64
20160296026
2016-10-13

Seating arrangement

#65
20160249739
2016-09-01

Chair having synchronized backrest and seat movements

#66
20160227935
2016-08-11

Apparatus with weight responsive changeable adjusting characteristics

#67
20160143443
2016-05-26

Recline adjustment system for chair

#68
20160106218
2016-04-21

Mobile ergonomic rotating adjustable chair with lumbar support

#69
20160029801
2016-02-04

Office chair

#70
20150320197
2015-11-12

Compact folding furniture pieces

#71
20150265058
2015-09-24

CHAIR

#72
20150208809
2015-07-30

Progressively curved lumbar support for the back of a chair

#73
20150196127
2015-07-16

Seating system and arrangement thereof

#74
20150164231
2015-06-18

Chair with a tilting backrest

#75
20150164225
2015-06-18

Functional chair

#76
20140292052
2014-10-02

Chair and supports

#77
20140265493
2014-09-18

Chair with activated back flex

#78
20140239686
2014-08-28

Ergonomic seating assemblies and methods

#79
20140183915
2014-07-03

Flexible back support member with integrated recline stop notches

#80
20140159450
2014-06-12

Aircraft seat back with improved comfort and reduced size

#81
20140152064
2014-06-05

Item of seating furniture, in particular office chair

#82
20140117732
2014-05-01

Seat back, seating apparatus and method

#83
20140110983
2014-04-24

Seat, in particular an office chair

#84
20140097654
2014-04-10

Mobile ergonomic rotating adjustable chair with lumbar support

#85
20130214577
2013-08-22

Portable, compact folding furniture pieces

#86
20130099537
2013-04-25

Backrest chair, and a sheet material for use thereon

#87
20130099534
2013-04-25

Chair with improved back spring

#88
20130049421
2013-02-28

Mobile ergonomic rotating adjustable chair with lumbar support

#89
20130038110
2013-02-14

Flexible back support member with integrated recline stop notches

#90
20120292968
2012-11-22

Balance chair

#91
20120292967
2012-11-22

Kinematic seat with elastic pivot

#92
20120274119
2012-11-01

Chair back with lumbar and pelvic supports

#93
20120228911
2012-09-13

Chair with tilting backrest

#94
20120119550
2012-05-17

Mobile ergonomic rotating adjustable chair with lumbar support

#95
20120091769
2012-04-19

Chair

#96
20120086251
2012-04-12

Chair

#97
20120025574
2012-02-02

Chair, a support, and components

#98
20120013163
2012-01-19

Chair with tilting backrest

#99
20110309664
2011-12-22

Chair

#100
20110304183
2011-12-15

Article of furniture

#101
20110285191
2011-11-24

Chair

#102
20110285190
2011-11-24

Movable chair backrest

#103
20110266847
2011-11-03

Stackable chair with flexible back

#104
20110175423
2011-07-21

Load support structure

#105
20110067931
2011-03-24

Piece of furniture

#106
20100207437
2010-08-19

Swivel rocker chair and assembly

#107
20100187884
2010-07-29

Support member

#108
20100117422
2010-05-13

Structure for connecting members

#109
20100109403
2010-05-06

Chair with tiltable backrest

#110
20100072799
2010-03-25

Conforming back for a seating unit

#111
20100060057
2010-03-11

CHAIR WITH SPRING-MOUNTED SEAT ELEMENT

#112
20090302654
2009-12-10

Chair with tiltable backrest

#113
20090289483
2009-11-26

Mobile ergonomic rotating adjustable chair with lumbar support

#114
20090284060
2009-11-19

Chairs with flexible spring backrest

#115
20090261644
2009-10-22

CHAIR

#116
20090261637
2009-10-22

Piece of furniture

#117
20090256407
2009-10-15

Chair back with lumbar and pelvic supports

#118
20090236890
2009-09-24

Chair

#119
20090218864
2009-09-03

Chair

#120
20090127914
2009-05-21

Backrest device in a chair

#121
20090102268
2009-04-23

Load support structure

#122
20090091170
2009-04-09

Chair seat having a resilient seatrest/backrest, method of manufacturing same and carbon fibre material used as a spring

#123
20090085388
2009-04-02

Chair

#124
20090058160
2009-03-05

Seating with shape-changing back support frame

#125
20090001793
2009-01-01

Back support for seating unit

#126
20080290712
2008-11-27

Chair

#127
20080185890
2008-08-07

Chair with deformable backrest

#128
20080179929
2008-07-31

Chair back with lumbar and pelvic supports

#129
20080012394
2008-01-17

Furniture mechanism with tilt cam for multiple position tilt

#130
20070287618
2007-12-13

Abdominal exercise chair with flexible back bar and rotating seat

#131
20070278841
2007-12-06

Backpost unit of wooden dining chair with reclining mechanism

#132
20070267912
2007-11-22

Molded Wood Flake Article with Integral Flexible Spring Member

#133
20070108831
2007-05-17

Structure for connecting members

#134
20070108821
2007-05-17

Chair

#135
20070108820
2007-05-17

Structure for attaching spring

#136
20070108818
2007-05-17

Structure for attaching spring

#137
20070057550
2007-03-15

Chair back with lumbar and pelvic supports

#138
20070024098
2007-02-01

Back construction for seating unit

#139
20060202535
2006-09-14

Seating with shape-changing back support frame

#140
20060202534
2006-09-14

Seating with shape-changing back support frame

#141
20060175884
2006-08-10

Mobile ergonomic rotating adjustable chair with lumbar support

#142
20060138837
2006-06-29

Mobile joint suitable for a sitting device

#143
20060061171
2006-03-23

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

#144
20060061163
2006-03-23

Swivel rocker chair and assembly

#145
20060055220
2006-03-16

Seating unit with novel flexible supports

#146
20050231013
2005-10-20

Back construction for seating unit

#147
20050179292
2005-08-18

Back construction for seating unit having inverted U-shaped frame

#148
20050151400
2005-07-14

Flexible chair back

#149
20050127729
2005-06-16

Back construction for seating unit having spring bias

#150
20050116519
2005-06-02

Mobile joint with several stable positions, suitable for use in furniture

#151
20050082891
2005-04-21

Dining chair with reclining mechanism

#152
20050046254
2005-03-03

Chair having reclineable back and movable seat

#153
20050035636
2005-02-17

Chair with pivotable chair back

#154
20050029848
2005-02-10

Seating unit having motion control

#155
20050006936
2005-01-13

Reclinable chair mechanism

#156
20050001462
2005-01-06

Chair with flexible, resilient back support

#157
18939736
2025-02-18

Flex-back banquet chair

#158
17230262
2022-05-24

Reclining seatback support device

#159
15137384
2017-06-27

Back support assembly for the back of a chair