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Class Information
Number: 297/284.6
Name: Chairs and seats > Bottom or back with means to alter contour > Providing support for lower back (i.e., lumbar) region > Having a fluent material within flexible container
Description: Device in which the lumbar support has a variable volume controlled by introduction or removal of a fluid (e.g., with gas, water, air, etc.).










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8678500 Seat, in particular a vehicle seat, having a deformation element, and method for activating a deformation element of a seat Mar. 25, 2014
8616654 Method and device for adjusting a seat Dec. 31, 2013
8608243 Vehicle seat Dec. 17, 2013
8585141 Lumbar support device Nov. 19, 2013
8398170 Active response seating system Mar. 19, 2013
8342607 Seat cushion with bubble elements Jan. 1, 2013
8275514 Intelligent vehicle seat support system Sep. 25, 2012
8251447 Bio-signal analyzer, seat and bio-signal analyzing method Aug. 28, 2012
8240763 Lumbar support mechanism for vehicle Aug. 14, 2012
8226166 Seating element and seating system Jul. 24, 2012
8162398 Zone lumbar massage system Apr. 24, 2012
8157325 Chair back rest with improved resilience and support Apr. 17, 2012
8147000 Variable-pressure lumbar and back support cushion Apr. 3, 2012
8136834 Motor vehicle seat Mar. 20, 2012
8136883 Vehicle seat and vehicle with a vehicle seat Mar. 20, 2012
8011729 Seating element and seating system Sep. 6, 2011
7857387 Pneumatic lordosis support Dec. 28, 2010
7828379 Vehicle seat with system for facilitating relieving of fatigue of person sitting on the seat Nov. 9, 2010
7810193 Inflatable support cushion Oct. 12, 2010
7727171 Vehicle seats with plurality of pneumatic massaging elements Jun. 1, 2010
7703849 Vertebral column support apparatus and method Apr. 27, 2010
7621596 Lumbar support Nov. 24, 2009
7607735 Vehicle seats Oct. 27, 2009
7604292 Vehicle seat with dynamic cushion and lumbar support Oct. 20, 2009
7562934 Apparatus and method for configurable seating Jul. 21, 2009
7559607 Adjustable ergonomic back for a seat Jul. 14, 2009
7517024 Post-assembly tension adjustment in elastomeric material applications Apr. 14, 2009
7413250 Back support Aug. 19, 2008
7350864 Reclining rocker chair with inflatable lumbar support Apr. 1, 2008
7322651 Seat subportion adjustable in relative height and/or angle and backrest adjustable in shape based on user contact pressure Jan. 29, 2008
7281761 Seat configuration system for an automotive interior Oct. 16, 2007
7267404 Arrangement for controlling a fluid volume in shape changing elements of seats Sep. 11, 2007
7264271 Reversibly deployable energy absorbing assembly and methods for operating the same Sep. 4, 2007
7261380 Pelvis remedial seating device Aug. 28, 2007
7237443 Sensor pad for controlling airbag deployment and associated support Jul. 3, 2007
7216934 Automotive seat with inflatable cushion device May. 15, 2007
7156467 Device and method to control and/or regulate a pressure level Jan. 2, 2007
7152920 Vehicle seat with system for facilitating relieving of fatigue of person sitting on the seat Dec. 26, 2006
7147279 Modular comfort assembly for occupant support Dec. 12, 2006
7113100 Vehicle tiredness alleviating system Sep. 26, 2006
7093898 Portable air-pressure applying assembly for seats Aug. 22, 2006
7059678 Portable orthopedic support device Jun. 13, 2006
6988508 Device and method for the pneumatic control, and regulation of hydraulic fluid flows Jan. 24, 2006
6950776 Method for weighting a seat profile Sep. 27, 2005
6935688 Fluidic control mounting system Aug. 30, 2005
6929325 Portable ergonomic cushion Aug. 16, 2005
6916300 Seat massager Jul. 12, 2005
6895988 Self-actuating control valve for a bed pad or seat pad May. 24, 2005
6851755 Padding for seats, in particular vehicle seats Feb. 8, 2005
6823884 Method for controlling pressure Nov. 30, 2004

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