ClassID:

9725

A47C7/46 - 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

Sub-classes:
Recent Application in this class:
#1
20260096657
2026-04-09

BACKREST COVER AND FOAM MOUNTING STRUCTURE ADAPTED FOR LUMBAR MASSAGE FUNCTION

#2
20260069040
2026-03-12

SHAPE MEMORY ALLOY (SMA) ACTUATORS FOR LUMBAR SUPPORT AND MASSAGE

#3
20260060431
2026-03-05

Ergonomic Support Cushion with Tailbone Relief and Variable Density Memory Foam

#4
20260007240
2026-01-08

LUMBAR SUPPORT STRETCHING DEVICE SUITABLE FOR SEAT, LUMBAR SUPPORT AND SEAT

#5
20250325109
2025-10-23

SEAT CONFIGURATION

#6
20250241446
2025-07-31

BACK SUPPORT ASSEMBLY AND CHAIR

#7
20250143481
2025-05-08

SEAT CUSHION FOR CHAIR AND SEAT FOR CHAIR INCLUDING THE SAME

#8
20250143469
2025-05-08

CHAIRS WITH ADJUSTABLE BACK SUPPORTS

#9
20250134262
2025-05-01

SEAT CUSHION

#10
20250128651
2025-04-24

CONVEYANCE SEAT

#11
20250089896
2025-03-20

CHAIR WITH ERGONOMIC MOTION FEATURES

#12
20250049218
2025-02-13

CHAIR ARM ASSEMBLY

#13
20250031867
2025-01-30

CHAIRS

#14
20240415291
2024-12-19

RECONFIGURABLE REST FOR AN ARTICLE OF FURNITURE

#15
20240277151
2024-08-22

CHAIR COVER

#16
20240251951
2024-08-01

COLLAPSIBLE OFFICE FURNITURE

#17
20240156265
2024-05-16

SEATING STRUCTURE HAVING A SUPPORT POCKET

#18
20240148576
2024-05-09

BACKREST AND CHAIR

#19
20240122356
2024-04-18

CHAIR WITH ACCESSORY HOLDER SYSTEM

#20
20240122355
2024-04-18

Chairs with adjustable back supports

#21
20240116418
2024-04-11

VEHICLE SEAT WITH BACKREST MADE OF FRAME ELEMENT AND KNITTED FABRIC

#22
20240041212
2024-02-08

Chair with ergonomic motion features

#23
20240025314
2024-01-25

Seat assembly and support portion

#24
20240023717
2024-01-25

Compliant backrest

#25
20240016296
2024-01-18

Portable stadium chair

#26
20230414002
2023-12-28

SEAT CONFIGURATION

#27
20230414000
2023-12-28

Non-upholstered ergonomic seat with anatomical properties for maximum comfort

#28
20230389708
2023-12-07

Backrest of chair

#29
20230292928
2023-09-21

Seating with interchangeable hexagon shaped cushions

#30
20230284780
2023-09-14

One-Piece Chair Backs and Chairs Having the Same

#31
20230278473
2023-09-07

Conveyance seat

#32
20230210264
2023-07-06

Chair

#33
20230190001
2023-06-22

Lumbar supporting system of chair and chair having the same

#34
20230165376
2023-06-01

Compliant backrest

#35
20230157452
2023-05-25

Seating device with a reclining function

#36
20230049996
2023-02-16

Chair for active engagement of user

#37
20230048676
2023-02-16

Sensory and experiential enhancements for patient care settings within home and hospital environments

#38
20230040114
2023-02-09

Mesh chair with full lumbar back support

#39
20230017245
2023-01-19

Seat configuration

#40
20230012911
2023-01-19

Cushioned furniture restoration kit

#41
20230000252
2023-01-05

Orthopedic lounge chair

#42
20220378211
2022-12-01

Structure for adjusting support force of lumbar pillow, and chair

#43
20220370228
2022-11-24

Back body support for posture correction or pain relief

#44
20220369817
2022-11-24

Chair arm assembly

#45
20220322832
2022-10-13

TENSIONING STRAP, IN PARTICULAR FOR A SYSTEM FOR SUPPORTING A HUMAN BODY OR A HUMAN BODY SEGMENT

#46
20220287476
2022-09-15

Fabric for modular chair

#47
20220287463
2022-09-15

SEAT AND LUMBAR SUPPORT CUSHION

#48
20220273105
2022-09-01

HEAT AND MASSAGE SYSTEM FOR A FURNITURE PIECE AND A METHOD OF OPERATING THE SAME

#49
20220202201
2022-06-30

Body-positioning apparatus

#50
20220183470
2022-06-16

Compliant backrest

#51
20220096294
2022-03-31

Adjustable back support

#52
20220087424
2022-03-24

Chair for active engagement of user

#53
20220017004
2022-01-20

LUMBAR SUPPORT DEVICE

#54
20210378404
2021-12-09

Support apparatus

#55
20210368989
2021-12-02

Adjustable lumbar support and ergonomic chair

#56
20210321778
2021-10-21

Chair with ergonomic motion features

#57
20210307518
2021-10-07

Chairs with adjustable back supports

#58
20210298476
2021-09-30

GAMING CHAIR

#59
20210289942
2021-09-23

Holding member for seat air tube

#60
20210247210
2021-08-12

Posture adjusting device

#61
20210244597
2021-08-12

Spine Alignment and Decompression Systems

#62
20210235873
2021-08-05

Physiological seat device

#63
20210227981
2021-07-29

Chair assembly with upholstery covering

#64
20210212470
2021-07-15

Backrest and chair

#65
20210155405
2021-05-27

Waste storage device and intelligent management system

#66
20210153661
2021-05-27

Chair device, propping device, and mattress device

#67
20210106451
2021-04-15

Lumbar traction device

#68
20210093092
2021-04-01

Compliant backrest

#69
20210059416
2021-03-04

Chair

#70
20210007493
2021-01-14

Flexible backrest for a folding chair, and folding chair comprising this backrest

#71
20200405061
2020-12-31

Lower back and posture support device

#72
20200405058
2020-12-31

RECLINER SUPPORT SYSTEM

#73
20200383485
2020-12-10

Portable adjustable lumbar support and ergonomic chair

#74
20200367654
2020-11-26

Chair assembly with upholstery covering

#75
20200345145
2020-11-05

Adjustable stool

#76
20200345142
2020-11-05

Chair assembly with upholstery covering

#77
20200323349
2020-10-15

Therapeutic chair with adjustable back and method of using the same

#78
20200254909
2020-08-13

Articulating flexmat seat suspension

#79
20200238869
2020-07-30

Modular suspension seatback with integrated upper and lower supports

#80
20200221873
2020-07-16

Seat, in particular an office chair

#81
20200205574
2020-07-02

Video-caster chair

#82
20200178690
2020-06-11

Chair with ergonomic motion features

#83
20200093271
2020-03-26

Back rest to be used with seat or chair

#84
20200070690
2020-03-05

Vehicle seat

#85
20200054140
2020-02-20

Headrest device, sofa accessory having the headrest device

#86
20200046126
2020-02-13

PASSENGER SEAT HAVING AN EXPANDABLE BACK REST

#87
20200022497
2020-01-23

Lumbar support chair having structure adjustable according to change of posture

#88
20200022496
2020-01-23

Posture Support Seat

#89
20200015593
2020-01-16

Office systems with shape memory materials

#90
20190388267
2019-12-26

Device to Alleviate Back Pain

#91
20190375321
2019-12-12

VEHICLE INTERIOR EQUIPMENT

#92
20190343297
2019-11-14

SLOUCHOUT

#93
20190335905
2019-11-07

BACK SUPPORTING APPARATUS, CHAIR AND METHOD OF USING THE SAME

#94
20190298069
2019-10-03

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

#95
20190274904
2019-09-12

Connection joint

#96
20190254430
2019-08-22

Rotatable seat cradle

#97
20190248260
2019-08-15

Occupant posture adjusting device of vehicle seat

#98
20190246799
2019-08-15

Chairs with adjustable back supports

#99
20190216662
2019-07-18

Ergonomically designed seating apparatus

#100
20190216224
2019-07-18

Chair with activated back flex

#101
20190216223
2019-07-18

Intake/exhaust valve device and vehicular seat device

#102
20190209886
2019-07-11

Systems and Methods for Providing Ergonomic Chairs

#103
20190192901
2019-06-27

Systems and methods for providing ergonomic exercise chairs

#104
20190176990
2019-06-13

Shape memory alloy lumbar support system

#105
20190167007
2019-06-06

Compliant backrest

#106
20190142166
2019-05-16

Therapeutic cushion

#107
20190133326
2019-05-09

Control assembly for chair

#108
20190133323
2019-05-09

Chair arm assembly

#109
20190133322
2019-05-09

Chair assembly with upholstery covering

#110
20190029432
2019-01-31

Lower back and posture support device

#111
20190029431
2019-01-31

Rattan weaving structure, rattan chair made with the structure and a method for forming a convex knot thereof

#112
20190021500
2019-01-24

Seat, in particular an office chair

#113
20190000234
2019-01-03

Apparatus and system for dynamically correcting posture

#114
20180352959
2018-12-13

Ergonomic smart chair and mobility system and use thereof

#115
20180304786
2018-10-25

Vehicle seat

#116
20180280216
2018-10-04

CONTOURING SYSTEM AND COMPONENTS

#117
20180271292
2018-09-27

Chair

#118
20180264981
2018-09-20

Thoracic air bladder assembly

#119
20180249845
2018-09-06

Chair assembly

#120
20180235377
2018-08-23

Functional chair

#121
20180235371
2018-08-23

Chair back structure

#122
20180206646
2018-07-26

Spinal alignment method for seated posture and associated apparatus

#123
20180199729
2018-07-19

Automatically adjusting comfort system

#124
20180192775
2018-07-12

Cantilever seat

#125
20180177301
2018-06-28

Chair construction

#126
20180160813
2018-06-14

Control assembly for chair

#127
20180125247
2018-05-10

Sofa waist proping device

#128
20180116405
2018-05-03

Ergonomic chair

#129
20180103759
2018-04-19

Chair arm assembly

#130
20180084915
2018-03-29

Office systems with shape memory materials

#131
20180078812
2018-03-22

Systems and methods for providing ergonomic chairs

#132
20180078043
2018-03-22

Thoracic region comfort seating system

#133
20180070730
2018-03-15

Lumbar support system

#134
20180042384
2018-02-15

Chair assembly with upholstery covering

#135
20180027971
2018-02-01

Ergonomic seating device

#136
20180014646
2018-01-18

Seat, in particular an office chair

#137
20180000249
2018-01-04

BACK PRESSING-TYPE LUMBAR SUPPORT

#138
20170361747
2017-12-21

PORTABLE LUMBAR SUPPORT APPARATUS

#139
20170360642
2017-12-21

Spine alignment and decompression systems

#140
20170360204
2017-12-21

ADJUSTABLE SPINAL SUPPORT APPARATUS, SYSTEM, AND DEVICE

#141
20170354260
2017-12-14

Adjustable back support for a seating surface

#142
20170347803
2017-12-07

Lumbar support cushion

#143
20170332804
2017-11-23

UPHOLSTERED FURNITURE SYSTEM COMPRISING AN ITEM OF UPHOLSTERED FURNITURE AND A CONTROL SYSTEM, AND METHOD FOR OPERATING AN UPHOLSTERED FURNITURE SYSTEM

#144
20170318991
2017-11-09

Inflatable Portable Lumbar Pillow

#145
20170318969
2017-11-09

Movable human support structure

#146
20170280888
2017-10-05

Chair assembly method

#147
20170245642
2017-08-31

Chair assembly with upholstery covering

#148
20170238713
2017-08-24

Lumbar support structure and seat structure

#149
20170231393
2017-08-17

ACTIVE RESPONSE SEATING SYSTEM

#150
20170210256
2017-07-27

Adjustable upper seatback module

#151
20170196361
2017-07-13

BACK SUPPORT CUSHION

#152
20170172305
2017-06-22

Collapsible chair with collapsible back support

#153
20170127839
2017-05-11

Chair

#154
20170112702
2017-04-27

SPINAL COLUMN SUPPORT

#155
20170079438
2017-03-23

Auto-adjusting headrest for an ergonomic chair

#156
20170065087
2017-03-09

Ergonomic seating assemblies and methods

#157
20170050549
2017-02-23

Method of producing a lumbar support device, lumbar support device and vehicle seat

#158
20170035201
2017-02-09

Seat, in particular an office chair

#159
20170014680
2017-01-19

Systems and method for providing ergonomic exercise chairs

#160
20170007022
2017-01-12

Chair back mechanism and control assembly

#161
20160374475
2016-12-29

Back support

#162
20160374471
2016-12-29

Rotatable seat cradle

#163
20160367032
2016-12-22

Foam Furniture Molded Around a Core with a Lumbar Support Protrusion

#164
20160367029
2016-12-22

Control assembly for chair

#165
20160360892
2016-12-15

ADJUSTABLE LUMBAR SUPPORT FOR A CHAIR BACK

#166
20160360889
2016-12-15

Chair with ergonomic motion features

#167
20160353896
2016-12-08

Chair with activated back flex

#168
20160353891
2016-12-08

Chair assembly

#169
20160324320
2016-11-10

Chair arm assembly

#170
20160311354
2016-10-27

BACK SUPPORT DEVICE AND SYSTEM

#171
20160309901
2016-10-27

Chair assembly with upholstery covering

#172
20160302577
2016-10-20

Adjustable seating systems and associated structures

#173
20160262544
2016-09-15

Functional chair for human body correction and thermal therapy

#174
20160206103
2016-07-21

Thoracic air bladder assembly

#175
20160157616
2016-06-09

ADJUSTABLE SPINAL SUPPORT APPARATUS, SYSTEM, AND DEVICE

#176
20160106218
2016-04-21

Mobile ergonomic rotating adjustable chair with lumbar support

#177
20160100691
2016-04-14

Chair

#178
20160096448
2016-04-07

Torsion bar upper seatback support assembly

#179
20160095768
2016-04-07

Post-Operative Assistive Device

#180
20160066698
2016-03-10

Outdoor cushion slipcover sleeve

#181
20160029801
2016-02-04

Office chair

#182
20160008211
2016-01-14

Functional chair including acupressure balls

#183
20160007757
2016-01-14

LUMBAR CUSHION HAVING GAS BAG WITH FIXED AIR PRESSURE

#184
20150359342
2015-12-17

Vertical back support health-enhancing device

#185
20150335161
2015-11-26

Lordosis support

#186
20150313366
2015-11-05

Active response seating system

#187
20150305959
2015-10-29

SEAT, BACK AND NECK SUPPORT CUSHION

#188
20150305505
2015-10-29

Chair assembly with upholstery covering

#189
20150296989
2015-10-22

Flex lumbar support

#190
20150272333
2015-10-01

Thoracic region comfort seating system

#191
20150265053
2015-09-24

Control assembly for chair

#192
20150253966
2015-09-10

Integrated user interface system and method

#193
20150250319
2015-09-10

Chair and supports

#194
20150238018
2015-08-27

Body support bridge

#195
20150238017
2015-08-27

Thoracic region comfort seating system

#196
20150216311
2015-08-06

Seating structure with a contoured flexible backrest

#197
20150208820
2015-07-30

Chair assembly

#198
20150208809
2015-07-30

Progressively curved lumbar support for the back of a chair

#199
20150197173
2015-07-16

Electro-active polymer actuators for vehicle seating applications

#200
20150182026
2015-07-02

One-piece office chair with an adjusting apparatus

#201
20150164232
2015-06-18

Chair having a dynamically-flexible back and seat

#202
20150164230
2015-06-18

Chair assembly with upholstery covering

#203
20150164227
2015-06-18

Chair assembly

#204
20150164226
2015-06-18

Control assembly for chair

#205
20150157131
2015-06-11

Chair arm assembly

#206
20150157128
2015-06-11

Chair back mechanism and control assembly

#207
20150157127
2015-06-11

Chair assembly with upholstery covering

#208
20150150381
2015-06-04

Foam furniture molded around a core with a lumbar support protrusion

#209
20150108809
2015-04-23

Chair with seat depth adjustment and back support

#210
20150102647
2015-04-16

Dynamic lumbar support for a chair

#211
20150091353
2015-04-02

Chair, especially, office chair

#212
20150091349
2015-04-02

Lumbar support of car seat

#213
20150080994
2015-03-19

Portable spinal orthotic backrest

#214
20150076876
2015-03-19

Nestable chair

#215
20150076874
2015-03-19

Lounge assembly

#216
20150015052
2015-01-15

Chair back with lumbar and pelvic supports

#217
20150015042
2015-01-15

Apparatus and system for dynamically correcting posture

#218
20150015041
2015-01-15

Office chair with an adaptable lumbar support

#219
20150008714
2015-01-08

Aircraft seat

#220
20150008713
2015-01-08

Aircraft seat

#221
20150008712
2015-01-08

ANATOMIC DESK CHAIR COMPRISING BACKREST WITH FRAME HAVING A TIRE-TYPE ASSEMBLY SYSTEM

#222
20150008709
2015-01-08

Aircraft seat

#223
20140346818
2014-11-27

FOLDING CHAIR

#224
20140312668
2014-10-23

Chair

#225
20140300157
2014-10-09

Backrest member including an adjustable platform for use with a chair

#226
20140292058
2014-10-02

Method of determining optimal seat surface contours and seat having an optimized seat surface contour

#227
20140265493
2014-09-18

Chair with activated back flex

#228
20140217792
2014-08-07

Vehicle seating system and method for reducing fatigue with dynamic actuator movement

#229
20140210248
2014-07-31

Collapsible chair

#230
20140159444
2014-06-12

Seating device comprising a forward-foldable backrest

#231
20140159443
2014-06-12

Therapeutic Chair

#232
20140117732
2014-05-01

Seat back, seating apparatus and method

#233
20140110983
2014-04-24

Seat, in particular an office chair

#234
20140103688
2014-04-17

FORWARD SLIDING RECLINING CHAIR

#235
20140097654
2014-04-10

Mobile ergonomic rotating adjustable chair with lumbar support

#236
20140084660
2014-03-27

Chair construction

#237
20140084653
2014-03-27

Chair having a dynamically-flexible back and seat

#238
20140084652
2014-03-27

Chair construction

#239
20140077572
2014-03-20

Chair assembly with upholstery covering

#240
20140077571
2014-03-20

Method of assembling a chair component

#241
20140077567
2014-03-20

Chair arm assembly

#242
20140077566
2014-03-20

Chair arm assembly

#243
20140077557
2014-03-20

Control assembly for chair

#244
20140077556
2014-03-20

Control assembly for chair

#245
20140077555
2014-03-20

Chair assembly

#246
20140077553
2014-03-20

Chair back mechanism and control assembly

#247
20140077552
2014-03-20

Control assembly for chair

#248
20140077551
2014-03-20

Chair assembly

#249
20140077549
2014-03-20

Chair assembly

#250
20140077548
2014-03-20

Chair assembly with upholstery covering

#251
20140077542
2014-03-20

Chair assembly with upholstery covering

#252
20140070582
2014-03-13

Seat having a flexible connection

#253
20140062153
2014-03-06

Chair with integral pivoting lumbar and seat cushion portions

#254
20140054940
2014-02-27

Active response seating system

#255
20140042788
2014-02-13

Reclining chair

#256
20140028061
2014-01-30

Seating structure with a contoured flexible backrest

#257
20130320651
2013-12-05

Collapsible chair with collapsible back support

#258
20130278029
2013-10-24

Adjustable support apparatus

#259
20130234482
2013-09-12

Connecting lumbar supports

#260
20130169014
2013-07-04

Dynamic chair back lumbar support system

#261
20130154314
2013-06-20

Chair with seat depth adjustment and back support

#262
20130134755
2013-05-30

AUTOMATIC TILTING OF A SUPPORT SURFACE ON A SUPPORT DEVICE

#263
20130099537
2013-04-25

Backrest chair, and a sheet material for use thereon

#264
20130057030
2013-03-07

Collapsible chair

#265
20130049421
2013-02-28

Mobile ergonomic rotating adjustable chair with lumbar support

#266
20120306245
2012-12-06

CHAIR HAVING A DETACHABLE BACKREST PANEL WITH A MASSAGER

#267
20120280545
2012-11-08

Thoracic back support

#268
20120274119
2012-11-01

Chair back with lumbar and pelvic supports

#269
20120245635
2012-09-27

Lumbar lordosis maintenance system and method

#270
20120242130
2012-09-27

CHAIR WITH WAIST REST AND ARMRESTS

#271
20120217773
2012-08-30

Combination backpack-luggage-chair with integral lumbar support

#272
20120205948
2012-08-16

CHAIR

#273
20120193962
2012-08-02

Device for adjusting the height of the backrest of an office chair

#274
20120193959
2012-08-02

AUTOMATIC WAISTREST ADJUSTING DEVICE FOR OFFICE CHAIRS

#275
20120186025
2012-07-26

Back support

#276
20120181840
2012-07-19

Integral coccyx and lumbar support system

#277
20120136313
2012-05-31

Anatomically engineered configured article

#278
20120132746
2012-05-31

Integrated user interface system and method

#279
20120119550
2012-05-17

Mobile ergonomic rotating adjustable chair with lumbar support

#280
20120091769
2012-04-19

Chair

#281
20120086251
2012-04-12

Chair

#282
20120062005
2012-03-15

Pivoting task chair

#283
20120013151
2012-01-19

Adjustable ergonomic chair

#284
20120007400
2012-01-12

Seating structure with a contoured flexible backrest

#285
20110309664
2011-12-22

Chair

#286
20110298260
2011-12-08

Resilient lower-back supporting device capable of vertical adjustment along with backrest of chair

#287
20110285190
2011-11-24

Movable chair backrest

#288
20110254333
2011-10-20

Folded cushion for back support

#289
20110233979
2011-09-29

CHAIR WITH SEPARATE AND INTERCONNECTING TYPE LUMBAR AND THORACIC SUPPORTS

#290
20110233977
2011-09-29

Foldable Waist Support

#291
20110227381
2011-09-22

Adjustable Back Rest Structure

#292
20110221253
2011-09-15

Ergonomic Side Chair

#293
20110215623
2011-09-08

Height-Adjusting Assembly for Office Chair Backrest

#294
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