ClassID:

9720

A47C7/441 - 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 adjustable elasticity

Recent Application in this class:
#1
20260060429
2026-03-05

SEAT SPREADING MEMBER FOR OUTDOOR FIXED CHAIR, AND OUTDOOR FIXED CHAIR

#2
20260026628
2026-01-29

PORTABLE REBOUNDING DEVICE WITH ADJUSTABLE AND COLLAPSIBLE FEATURES

#3
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

#4
20250204687
2025-06-26

BODY SUPPORT STRUCTURE

#5
20250098862
2025-03-27

PORTABLE REBOUNDING DEVICE WITH FORCE ADJUSTMENT ASSEMBLY

#6
20250040716
2025-02-06

CHAIR WITH ADJUSTABLE BACK DEPTH

#7
20250000268
2025-01-02

CHAIR FOR THE SITTING OF A USER

#8
20240349897
2024-10-24

TILT CONTROL SYSTEM FOR A CHAIR

#9
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

#10
20240260757
2024-08-08

STOWAWAY COMPACT ROCKER

#11
20240225292
2024-07-11

APPARATUS AND METHOD FOR MANUFACTURING A SUPPORT FRAME FOR A SEAT ASSEMBLY

#12
20240138573
2024-05-02

Body support structure

#13
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

#14
20230389707
2023-12-07

Portable rebounding device with force adjustment assembly

#15
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

#16
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

#17
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

#18
20230200540
2023-06-29

Chair

#19
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

#20
20230129979
2023-04-27

PORTABLE REBOUNDING DEVICE WITH ADJUSTABLE AND COLLAPSIBLE FEATURES

#21
20220378220
2022-12-01

Electrically controlled chassis and chair

#22
20220248856
2022-08-11

Body support structure

#23
20220225773
2022-07-21

Stowaway compact rocker

#24
20220095798
2022-03-31

CHAIR BACK

#25
20220095797
2022-03-31

Portable rebounding device with force adjustment assembly

#26
20210235873
2021-08-05

Physiological seat device

#27
20210169225
2021-06-10

Apparatus with weight responsive changeable adjusting characteristics

#28
20200345142
2020-11-05

Chair assembly with upholstery covering

#29
20200315355
2020-10-08

Chair and seat support mechanism

#30
20200229614
2020-07-23

Chair

#31
20200113334
2020-04-16

Dynamic backrest construction

#32
20200108755
2020-04-09

Seatback support structures with variable and adjustable stiffness

#33
20190357684
2019-11-28

Vehicle seat

#34
20190281985
2019-09-19

Chair

#35
20190274433
2019-09-12

Apparatus with weight responsive changeable adjusting characteristics

#36
20190209886
2019-07-11

Systems and Methods for Providing Ergonomic Chairs

#37
20190208910
2019-07-11

Chair and seat support mechanism

#38
20190192901
2019-06-27

Systems and methods for providing ergonomic exercise chairs

#39
20190133323
2019-05-09

Chair arm assembly

#40
20190133322
2019-05-09

Chair assembly with upholstery covering

#41
20190090647
2019-03-28

Flexible support device for chair back tilting

#42
20190038033
2019-02-07

Chair

#43
20190029440
2019-01-31

Chair

#44
20180279785
2018-10-04

Oscillation mechanism for chairs

#45
20180185234
2018-07-05

CHAIR MASSAGER AND MASSAGING MECHANISM

#46
20180184810
2018-07-05

Seat pivoting mechanism and chair height locking system

#47
20180160813
2018-06-14

Control assembly for chair

#48
20180103759
2018-04-19

Chair arm assembly

#49
20180078812
2018-03-22

Systems and methods for providing ergonomic chairs

#50
20180072194
2018-03-15

Angle adjusting device and seat having the same

#51
20180008046
2018-01-11

Reaction force mechanism and chair using same

#52
20170367485
2017-12-28

Seat tilting mechanism with two springs

#53
20170273463
2017-09-28

Adjustable chair

#54
20170273462
2017-09-28

Back Adjusting and Positioning Structure of Chair

#55
20170245642
2017-08-31

Chair assembly with upholstery covering

#56
20170014680
2017-01-19

Systems and method for providing ergonomic exercise chairs

#57
20170007022
2017-01-12

Chair back mechanism and control assembly

#58
20160367029
2016-12-22

Control assembly for chair

#59
20160353891
2016-12-08

Chair assembly

#60
20160332028
2016-11-17

Active fitness chair application

#61
20160324320
2016-11-10

Chair arm assembly

#62
20160309902
2016-10-27

Chair with adjustable backrest

#63
20160227935
2016-08-11

Apparatus with weight responsive changeable adjusting characteristics

#64
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

#65
20160143443
2016-05-26

Recline adjustment system for chair

#66
20150374132
2015-12-31

Mechanism for an office chair

#67
20150305505
2015-10-29

Chair assembly with upholstery covering

#68
20150289660
2015-10-15

Flexible tilt adjustment device for a chair back

#69
20150265053
2015-09-24

Control assembly for chair

#70
20150216314
2015-08-06

Spring back hinge with or without spring lock mechanism

#71
20150164230
2015-06-18

Chair assembly with upholstery covering

#72
20150164227
2015-06-18

Chair assembly

#73
20150164226
2015-06-18

Control assembly for chair

#74
20150157131
2015-06-11

Chair arm assembly

#75
20150157128
2015-06-11

Chair back mechanism and control assembly

#76
20140239692
2014-08-28

MECHANISM FOR AN OFFICE CHAIR

#77
20140239688
2014-08-28

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

#78
20140238169
2014-08-28

Pivoting mechanism with gross and fine resistance adjustment

#79
20140077571
2014-03-20

Method of assembling a chair component

#80
20140077542
2014-03-20

Chair assembly with upholstery covering

#81
20130119735
2013-05-16

Spring back hinge with or without spring lock mechanism

#82
20130113249
2013-05-09

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

#83
20120306249
2012-12-06

MULTIFUNCTIONAL CHAIR

#84
20120292968
2012-11-22

Balance chair

#85
20120153693
2012-06-21

Preference control mechanism

#86
20120032484
2012-02-09

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

#87
20120025578
2012-02-02

Pivoting mechanism with gross and fine resistance adjustment

#88
20110260517
2011-10-27

Multi-section angle adjusting structure for a chair back

#89
20110181085
2011-07-28

Seat assembly with an elastomer torsion-spring element

#90
20100301652
2010-12-02

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

#91
20100264713
2010-10-21

Seat back reclining member

#92
20100187883
2010-07-29

Apparatus for adjusting the seat back angle

#93
20090302656
2009-12-10

Preference control mechanism

#94
20090261642
2009-10-22

HYDRAULIC ADJUSTABLE SEAT

#95
20090261641
2009-10-22

Hydraulic adjustable seat

#96
20090174128
2009-07-09

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

#97
20090066134
2009-03-12

Permanent contact mechanism

#98
20070210634
2007-09-13

Ergonomic chair

#99
20070170762
2007-07-26

Seatback adjustment

#100
20070090671
2007-04-26

Weight regulator for a chair

#101
20070040432
2007-02-22

Synchronisation mechanism for chairs or armchairs

#102
20060255636
2006-11-16

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

#103
20060181128
2006-08-17

Chair and support mechanism unit thereof

#104
20050194823
2005-09-08

Flexible chair with post base

#105
20050173958
2005-08-11

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

#106
20050168030
2005-08-04

Sitting device

#107
20050156453
2005-07-21

Reclining apparatus for chair

#108
14459792
2015-08-04

Bottom plate structure of a chair