ClassID:

9726

A47C7/462 - CPC Classification

Classification description:

Parts, details, or accessories of chairs or stools; Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Sub-classes:
Recent Application in this class:
#1
20260114622
2026-04-30

ADJUSTABLE CHAIR

#2
20260060432
2026-03-05

SEAT LUMBAR ADJUSTMENT DEVICE

#3
20260041244
2026-02-12

LUMBAR SUPPORT ASSEMBLY AND CHAIR INCLUDING SAME

#4
20260013637
2026-01-15

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

#5
20250386941
2025-12-25

BACKREST OF HEIGHT-ADJUSTABLE CHAIR

#6
20250386940
2025-12-25

Detachable rotating structure

#7
20250351968
2025-11-20

CHAIR ASSEMBLIES, SYSTEMS, AND APPARATUSES HAVING INTEGRATED TECHNOLOGIES, AND RELATED METHODS

#8
20250255412
2025-08-14

DOUBLE ANGLE BACK SUPPORT ADJUSTMENT

#9
20250235004
2025-07-24

SEAT BACK FOR AN OFFICE CHAIR

#10
20250221538
2025-07-10

CHAIR

#11
20250205101
2025-06-26

FUNCTIONAL CHAIR FOR POSTURE CORRECTION AND LUMBAR TRACTION

#12
20250089896
2025-03-20

CHAIR WITH ERGONOMIC MOTION FEATURES

#13
20250082099
2025-03-13

Mechanical Extension Device and Suspension Mechanism Thereof

#14
20250049218
2025-02-13

CHAIR ARM ASSEMBLY

#15
20240398123
2024-12-05

CHAIR WITH IMPROVED COMFORT

#16
20240374033
2024-11-14

FOLDABLE CHAIR

#17
20240342025
2024-10-17

Articulating chair

#18
20240341483
2024-10-17

LUMBAR PILLOW THAT CAN MOVE WITH THE LOAD BEARING OF THE WAIST IN 3D

#19
20240225293
2024-07-11

Lower-back Supporting Apparatus, Backrest Supporting Frame and Seating Unit

#20
20240206626
2024-06-27

ADAPTABLE SEAT

#21
20240164543
2024-05-23

ADJUSTABLE CHAIR AND ASSOCIATED SYSTEMS, METHODS, DEVICES, AND SOFTWARE

#22
20240130533
2024-04-25

Lower-back Supporting Apparatus, Backrest Supporting Frame and Seating Unit

#23
20240122356
2024-04-18

CHAIR WITH ACCESSORY HOLDER SYSTEM

#24
20240074587
2024-03-07

BACK SUPPORT FOR A CHAIR

#25
20240057774
2024-02-22

CHAIR ASSEMBLIES, SYSTEMS, AND APPARATUSES HAVING INTEGRATED TECHNOLOGIES, AND RELATED METHODS

#26
20240041212
2024-02-08

Chair with ergonomic motion features

#27
20230397741
2023-12-14

Adjustable chair and associated systems, methods, devices, and software

#28
20230278477
2023-09-07

Hydraulically amplified soft electrostatic actuators for automotive surfaces and human machine interfaces

#29
20230270255
2023-08-31

Double angle back support adjustment

#30
20230248151
2023-08-10

LUMBAR SUPPORT

#31
20230232986
2023-07-27

Extendable seating interconnected mechanism and seating supporting frame

#32
20230200536
2023-06-29

ADJUSTABLE DESK CHAIR

#33
20230190001
2023-06-22

Lumbar supporting system of chair and chair having the same

#34
20230120809
2023-04-20

SUPPORT FOR CHAIR

#35
20230120436
2023-04-20

Seat with shape memory material member actuation

#36
20230081447
2023-03-16

BACKREST ADJUSTING MECHANISM AND CHAIR USING SAME

#37
20230075814
2023-03-09

ADJUSTABLE DESK CHAIR

#38
20230073826
2023-03-09

Seating structure

#39
20230065819
2023-03-02

Adjustable lumbar support mechanisms and chairs including same

#40
20230040114
2023-02-09

Mesh chair with full lumbar back support

#41
20230022713
2023-01-26

Double angle back support adjustment

#42
20230012911
2023-01-19

Cushioned furniture restoration kit

#43
20220378211
2022-12-01

Structure for adjusting support force of lumbar pillow, and chair

#44
20220369817
2022-11-24

Chair arm assembly

#45
20220369816
2022-11-24

Structure for adjusting support force of lumbar pillow, and chair

#46
20220354259
2022-11-10

Body support assembly and methods for the use and assembly thereof

#47
20220322833
2022-10-13

Chair assemblies, systems, and apparatuses having integrated technologies, and related methods

#48
20220295995
2022-09-22

Therapeutic back support and stabilization

#49
20220273103
2022-09-01

Chair having pliable backrest and methods for same

#50
20220257021
2022-08-18

Furniture member having lumbar adjustment mechanism

#51
20220232981
2022-07-28

Multi-gear supporting and adjustment mechanism, and adjustable seat

#52
20220202201
2022-06-30

Body-positioning apparatus

#53
20220167748
2022-06-02

CHAIR HAVING OPEN SHOULDER BACKREST

#54
20220153173
2022-05-19

Vehicle seat

#55
20220031075
2022-02-03

Seat back support

#56
20220023120
2022-01-27

Chair

#57
20220022655
2022-01-27

Lumbar support device for an item of seating furniture and seating furniture with a lumbar support device

#58
20210353068
2021-11-18

Portable seat cushion

#59
20210321778
2021-10-21

Chair with ergonomic motion features

#60
20210251388
2021-08-19

Furniture member having lumbar adjustment mechanism

#61
20210244190
2021-08-12

Chair assemblies, systems, and apparatuses having integrated technologies, and related methods

#62
20210227981
2021-07-29

Chair assembly with upholstery covering

#63
20210204700
2021-07-08

Furniture member having lumbar adjustment mechanism

#64
20210196540
2021-07-01

Chair

#65
20210186218
2021-06-24

CHAIR WITH FLEXIBLE LUMBAR SUPPORT

#66
20210085085
2021-03-25

THERAPEUTIC BACK SUPPORT AND STABILIZATION

#67
20210085083
2021-03-25

Adjustable desk chair

#68
20210037977
2021-02-11

Load support structure

#69
20210030156
2021-02-04

Chair having pliable backrest and methods for same

#70
20210007501
2021-01-14

Electric sofa frame

#71
20200405061
2020-12-31

Lower back and posture support device

#72
20200376993
2020-12-03

Lumbar support assembly

#73
20200367654
2020-11-26

Chair assembly with upholstery covering

#74
20200345145
2020-11-05

Adjustable stool

#75
20200345142
2020-11-05

Chair assembly with upholstery covering

#76
20200315354
2020-10-08

Back support for a chair

#77
20200254909
2020-08-13

Articulating flexmat seat suspension

#78
20200245769
2020-08-06

Chair having open shoulder backrest

#79
20200238868
2020-07-30

Lumbar mat for a backrest structure

#80
20200237101
2020-07-30

Single power dual-directional actuator system for movement of a furniture piece structure in a rectilinear and balanced manner

#81
20200178690
2020-06-11

Chair with ergonomic motion features

#82
20200154888
2020-05-21

ADJUSTABLE FURNITURE

#83
20200146453
2020-05-14

Displacement auxiliary device for accessory of chair

#84
20200139864
2020-05-07

Adjustable seat

#85
20200138198
2020-05-07

Furniture member having lumbar adjustment mechanism

#86
20200138195
2020-05-07

Load support structure

#87
20200121547
2020-04-23

FUNCTIONAL CHAIR WITH MASSAGE BALL

#88
20200079260
2020-03-12

Lumbar support for a seat

#89
20200070690
2020-03-05

Vehicle seat

#90
20200069064
2020-03-05

CHAIR HAVING FLECTION ADJUSTMENT MODULE FOR LUMBAR SUPPORT PART

#91
20200055430
2020-02-20

Adjustable lumbar support for a vehicle seat

#92
20200054140
2020-02-20

Headrest device, sofa accessory having the headrest device

#93
20200000234
2020-01-02

Adjustable chair

#94
20190365106
2019-12-05

Chair back structure

#95
20190350367
2019-11-21

Backrest height adjusting assembly

#96
20190313801
2019-10-17

Therapeutic back support and stabilization

#97
20190298069
2019-10-03

Backrest, lumbar support, chair, attachment structure for optional member, optional member, and furniture

#98
20190281988
2019-09-19

AUXILIARY BACKREST FOR A CHAIR

#99
20190274434
2019-09-12

Motorized adjustable back support for recliner

#100
20190191883
2019-06-27

Power operation system and chair having same

#101
20190167004
2019-06-06

Motorized furniture headrest assembly for seating systems

#102
20190159597
2019-05-30

Ergonomically configured muscle release office chair

#103
20190133328
2019-05-09

Back support for a chair

#104
20190133326
2019-05-09

Control assembly for chair

#105
20190133323
2019-05-09

Chair arm assembly

#106
20190133322
2019-05-09

Chair assembly with upholstery covering

#107
20190082843
2019-03-21

Furniture member with adjustable seat depth

#108
20190053627
2019-02-21

Reversible headrest tilt, lumbar mechanism

#109
20190029432
2019-01-31

Lower back and posture support device

#110
20180368579
2018-12-27

Backrest for a seating device

#111
20180317658
2018-11-08

Load support structure

#112
20180303238
2018-10-25

Integrated chair frame motor transmission assembly

#113
20180289164
2018-10-11

Adjustable back support assembly for the back of a chair

#114
20180281648
2018-10-04

Occupant support device for a seat

#115
20180235370
2018-08-23

Integrated lumbar and head tilt assembly

#116
20180199722
2018-07-19

Reversible headrest tilt, lumbar mechanism

#117
20180177301
2018-06-28

Chair construction

#118
20180161232
2018-06-14

Piston actuated lumbar stimulation device for a chair

#119
20180160813
2018-06-14

Control assembly for chair

#120
20180116405
2018-05-03

Ergonomic chair

#121
20180103759
2018-04-19

Chair arm assembly

#122
20180092465
2018-04-05

Stadium seat having a split back recliner and a vehicle including a stadium seat having a split back recliner

#123
20180092464
2018-04-05

ADJUSTABLE PADDING DEVICE

#124
20180072194
2018-03-15

Angle adjusting device and seat having the same

#125
20180064254
2018-03-08

Chair back with adjustable lumbar support

#126
20180042385
2018-02-15

Lumbar support for a chair, and chair having same

#127
20180042384
2018-02-15

Chair assembly with upholstery covering

#128
20180014651
2018-01-18

Bracket

#129
20170361748
2017-12-21

Assembly For Adjusting A Lumbar Region Of A Seat

#130
20170360201
2017-12-21

Seatback for an article of adjustable furniture

#131
20170354260
2017-12-14

Adjustable back support for a seating surface

#132
20170354254
2017-12-14

Chair with articulating backrest

#133
20170340121
2017-11-30

WAIST SUPPORT STRUCTURE OF SEAT BACK

#134
20170311725
2017-11-02

Adjustable back support assembly for the back of a chair

#135
20170290433
2017-10-12

Office, work and leisure chair and retrofit kit for a chair or a seat surface for causing subliminal movements of the person sitting thereon

#136
20170290432
2017-10-12

Office, work and leisure chair and retrofit kit for a chair or a seat surface for causing subliminal movements of the person sitting thereon

#137
20170280876
2017-10-05

Lumbar support adjuster

#138
20170245642
2017-08-31

Chair assembly with upholstery covering

#139
20170238713
2017-08-24

Lumbar support structure and seat structure

#140
20170231397
2017-08-17

LUMBAR SUPPORT FOR A CHAIR, AND CHAIR HAVING SAME

#141
20170231396
2017-08-17

Back support for a chair

#142
20170231395
2017-08-17

Backrest for an office chair

#143
20170215590
2017-08-03

Adjustable lumbar support for upholstery furniture

#144
20170215589
2017-08-03

Adjustable lumbar support for upholstery furniture

#145
20170210256
2017-07-27

Adjustable upper seatback module

#146
20170181549
2017-06-29

Chair back with adjustable lumbar support

#147
20170056280
2017-03-02

Air massage device

#148
20170055712
2017-03-02

Adjustable seat occupant support assembly

#149
20170027323
2017-02-02

Electrically adjustable office chair

#150
20170007022
2017-01-12

Chair back mechanism and control assembly

#151
20160374475
2016-12-29

Back support

#152
20160374474
2016-12-29

Adjustable lumbar support apparatus for seat back

#153
20160367033
2016-12-22

Reversible headrest tilt, lumbar mechanism

#154
20160367029
2016-12-22

Control assembly for chair

#155
20160361216
2016-12-15

Articulating bed with adjustable articulating lumbar support

#156
20160360889
2016-12-15

Chair with ergonomic motion features

#157
20160353891
2016-12-08

Chair assembly

#158
20160324320
2016-11-10

Chair arm assembly

#159
20160309901
2016-10-27

Chair assembly with upholstery covering

#160
20160166065
2016-06-16

Therapeutic back support and stabilization

#161
20160150885
2016-06-02

Seating arrangement with headrest assembly

#162
20160135603
2016-05-19

CHAIR

#163
20160106218
2016-04-21

Mobile ergonomic rotating adjustable chair with lumbar support

#164
20160100691
2016-04-14

Chair

#165
20160096448
2016-04-07

Torsion bar upper seatback support assembly

#166
20160066696
2016-03-10

MOLDABLE SEATING SYSTEM

#167
20150305506
2015-10-29

LUMBAR SUPPORT DEVICE

#168
20150305505
2015-10-29

Chair assembly with upholstery covering

#169
20150296989
2015-10-22

Flex lumbar support

#170
20150272334
2015-10-01

BACK REST ARRANGEMENT

#171
20150265053
2015-09-24

Control assembly for chair

#172
20150250319
2015-09-10

Chair and supports

#173
20150238016
2015-08-27

Load support structure

#174
20150216313
2015-08-06

Thoracic region comfort seating system

#175
20150216311
2015-08-06

Seating structure with a contoured flexible backrest

#176
20150208809
2015-07-30

Progressively curved lumbar support for the back of a chair

#177
20150164230
2015-06-18

Chair assembly with upholstery covering

#178
20150164227
2015-06-18

Chair assembly

#179
20150164226
2015-06-18

Control assembly for chair

#180
20150157131
2015-06-11

Chair arm assembly

#181
20150157128
2015-06-11

Chair back mechanism and control assembly

#182
20150157127
2015-06-11

Chair assembly with upholstery covering

#183
20150115679
2015-04-30

Variable lumbar support assembly

#184
20150015052
2015-01-15

Chair back with lumbar and pelvic supports

#185
20150015041
2015-01-15

Office chair with an adaptable lumbar support

#186
20140346827
2014-11-27

Lumbar support apparatus

#187
20140312669
2014-10-23

Single arm adjustment mechanism for supporting an object

#188
20140312668
2014-10-23

Chair

#189
20140306503
2014-10-16

Chair chassis

#190
20140300158
2014-10-09

Tilt mechanism for a chair and chair

#191
20140300157
2014-10-09

Backrest member including an adjustable platform for use with a chair

#192
20140246891
2014-09-04

Functional chair

#193
20140167464
2014-06-19

Seat with adjustable back profile

#194
20140125104
2014-05-08

Rocking chair and spring unit used therein

#195
20140097655
2014-04-10

Therapeutic back support and stabilization

#196
20140084660
2014-03-27

Chair construction

#197
20140084652
2014-03-27

Chair construction

#198
20140077572
2014-03-20

Chair assembly with upholstery covering

#199
20140077571
2014-03-20

Method of assembling a chair component

#200
20140077567
2014-03-20

Chair arm assembly

#201
20140077566
2014-03-20

Chair arm assembly

#202
20140077558
2014-03-20

Chair assembly

#203
20140077557
2014-03-20

Control assembly for chair

#204
20140077556
2014-03-20

Control assembly for chair

#205
20140077555
2014-03-20

Chair assembly

#206
20140077553
2014-03-20

Chair back mechanism and control assembly

#207
20140077552
2014-03-20

Control assembly for chair

#208
20140077551
2014-03-20

Chair assembly

#209
20140077549
2014-03-20

Chair assembly

#210
20140077542
2014-03-20

Chair assembly with upholstery covering

#211
20140028061
2014-01-30

Seating structure with a contoured flexible backrest

#212
20130341980
2013-12-26

Customizable chair with multipoint adjustment

#213
20130334854
2013-12-19

Power lift lumbar support system

#214
20130319144
2013-12-05

Adjusting device for a vehicle seat having a self-adjusting brake

#215
20130221724
2013-08-29

Moldable seating system

#216
20130145553
2013-06-13

Waist supporting device equipped electric apparatus for lying and/or sitting

#217
20130127219
2013-05-23

Seat Having A Backrest Which Can Be Adjusted To Form A Precurved Deformation

#218
20130049421
2013-02-28

Mobile ergonomic rotating adjustable chair with lumbar support

#219
20130001993
2013-01-03

Lumbar support device for chair

#220
20120306247
2012-12-06

Lumbar support for a chair

#221
20120274119
2012-11-01

Chair back with lumbar and pelvic supports

#222
20120146376
2012-06-14

Chair having an adjustable backrest for spinal protection

#223
20120119550
2012-05-17

Mobile ergonomic rotating adjustable chair with lumbar support

#224
20120068508
2012-03-22

Power lift lumbar support system

#225
20120025575
2012-02-02

Chair

#226
20120013161
2012-01-19

Tension fabric lumbar support system

#227
20120007400
2012-01-12

Seating structure with a contoured flexible backrest

#228
20110175423
2011-07-21

Load support structure

#229
20110101748
2011-05-05

Ergonomic adjustable chair mechanisms

#230
20110006568
2011-01-13

Chair for Actively Supporting Human Spine Curve

#231
20100301644
2010-12-02

Adirondack chair

#232
20100201168
2010-08-12

Padding structure for a chair

#233
20100164266
2010-07-01

Seat with independently adjustable user support assemblies

#234
20100156161
2010-06-24

Adjustable head rest assembly for furniture member

#235
20100156159
2010-06-24

Lumbar support and head rest adjustment mechanism

#236
20100117421
2010-05-13

Backrest for a chair, and chair comprising the same

#237
20100078975
2010-04-01

Structure of a single-part elastic waist support

#238
20100052399
2010-03-04

Backrest assembly

#239
20100001567
2010-01-07

Therapeutic back support and stabilization

#240
20090289483
2009-11-26

Mobile ergonomic rotating adjustable chair with lumbar support

#241
20090256407
2009-10-15

Chair back with lumbar and pelvic supports

#242
20090230751
2009-09-17

Back structure for a chair

#243
20090218863
2009-09-03

Furniture member lumbar support system

#244
20090212616
2009-08-27

Constant pressure retreating lumbar system

#245
20090152916
2009-06-18

SEAT SUBPORTION ADJUSTABLE IN RELATIVE HEIGHT AND/OR ANGLE AND BACKREST ADJUSTABLE IN SHAPE

#246
20090115235
2009-05-07

Piece of Seating Furniture, in Particular Office Chair

#247
20090102268
2009-04-23

Load support structure

#248
20090001794
2009-01-01

Reclinable chair

#249
20080296958
2008-12-04

Chair back attachment and method of assembly

#250
20080296945
2008-12-04

Seating unit with adjustable lumbar device

#251
20080179929
2008-07-31

Chair back with lumbar and pelvic supports

#252
20080150337
2008-06-26

Vertebral column support apparatus and method

#253
20080079298
2008-04-03

Shapeable wheelchair seatback assembly

#254
20080005917
2008-01-10

Apparatus and process for determining lumbar configuration in a chair

#255
20070214571
2007-09-20

Adjustable support means for a bed

#256
20070188003
2007-08-16

Chair with armrests

#257
20070120405
2007-05-31

Angle adjustment mechanism for lumbar support of chair backrest

#258
20070057550
2007-03-15

Chair back with lumbar and pelvic supports

#259
20070057549
2007-03-15

BACK CONSTRUCTION FOR SEATING UNIT

#260
20060250008
2006-11-09

Vehicle seat with a deformable S-shaped backrest

#261
20060181127
2006-08-17

Reclinable chair

#262
20060175884
2006-08-10

Mobile ergonomic rotating adjustable chair with lumbar support

#263
20060001304
2006-01-05

Seat with adjustable support system

#264
20060001303
2006-01-05

Backrest for a chair, with a retractor

#265
20050280298
2005-12-22

Cushion for backrest of chair

#266
20050245126
2005-11-03

Wire clip integrated into lumbar support

#267
20050155836
2005-07-21

Silent ratchet actuator

#268
20050121958
2005-06-09

Chair with adjustable lumbar support

#269
20050093354
2005-05-05

Back construction for seating unit

#270
20050062323
2005-03-24

Chair

#271
20050058813
2005-03-17

Load bearing fabric attachment and associated method

#272
20050035638
2005-02-17

Reclinable chair

#273
20050035637
2005-02-17

Universal ergonomic support with self-contained actuator

#274
20050022357
2005-02-03

Load bearing fabric attachment and associated method

#275
19332036
2026-05-12

Chair having an adjustable seat and back

#276
17671675
2023-08-15

Adjustable lumbar support

#277
17462346
2022-10-25

Sofa backrest adjusting apparatus with integrated headrest and lumbar cushion

#278
17230262
2022-05-24

Reclining seatback support device

#279
16931320
2021-12-07

Passenger seat dress cover with integrated adjustable lumbar support device

#280
16806983
2022-02-15

Adjustable lumbar support

#281
16580009
2020-11-10

Chair waist backrest height adjusting device

#282
15632469
2018-10-23

Chair with adjustable backrest

#283
15012956
2017-03-21

Chair back with height and lumbar adjustment

#284
14591424
2016-03-15

Lumbar support adjustment mechanisms