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Class Information
Number: 297/338
Name: Chairs and seats > Movable bottom > Movable independently of back > Vertically
Description: Device wherein the movement of the bottom is in a direction upwardly or downwardly from a horizontal plane.










Sub-classes under this class:

Class Number Class Name Patents
297/339 With force-multiplying means 73


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8662459 Bag supporting apparatus Mar. 4, 2014
8651576 Multi-position kayak seat Feb. 18, 2014
8596651 Height adjustable work seat Dec. 3, 2013
8414074 Chair Apr. 9, 2013
8328283 Chair Dec. 11, 2012
8267474 Portable self-contained pneumatic lift chair Sep. 18, 2012
8240765 Child chair Aug. 14, 2012
8216114 Adjustable exercise platform Jul. 10, 2012
8186754 Worker's body support May. 29, 2012
8079097 Child's toilet training chair Dec. 20, 2011
8070221 Operating support for surgeons Dec. 6, 2011
8066624 Ergonomic exercise posture chair and method of using same Nov. 29, 2011
7980519 Telescopic adjustable positioning device Jul. 19, 2011
7959229 Adjustable seat including operating members Jun. 14, 2011
7887136 Device for supporting a human body in various positions Feb. 15, 2011
7784871 Occupational support system Aug. 31, 2010
7758007 Support for a rotatable commercial vehicle seating and operating unit Jul. 20, 2010
7703850 Retrofit height adjustable seat Apr. 27, 2010
7665157 Child's toilet training chair Feb. 23, 2010
7614639 Modular standing frame Nov. 10, 2009
7594698 Portable seat for a wheelchair Sep. 29, 2009
7377589 Interchangeable seat cushions for automotive bucket seats May. 27, 2008
7338125 Rehabilitative and recreational armchair Mar. 4, 2008
7278686 Height adjusting device for car seat Oct. 9, 2007
7273255 Patient chair with a vertically movable seat Sep. 25, 2007
7198329 Height adjustable work chair Apr. 3, 2007
7147277 Foldable chair Dec. 12, 2006
7063386 Passenger seat with tilting seat bottom Jun. 20, 2006
7021713 Seat elevating mechanism for chair Apr. 4, 2006
6991292 Dynamic seat support for a wheelchair Jan. 31, 2006
6971718 Child safety seat Dec. 6, 2005
6945606 Chair Sep. 20, 2005
6926365 Body support for automotive mechanics Aug. 9, 2005
6902178 Transport chair for a patient Jun. 7, 2005
6834916 Gardening stool Dec. 28, 2004
6752460 Chair Jun. 22, 2004
6692076 Bolster chair with foldable seat that is vertically adjustable when folded into a vertical position Feb. 17, 2004
6676213 Dimensionally adjustable booster seat Jan. 13, 2004
6655731 Therapeutic chair Dec. 2, 2003
6634712 Child's stool Oct. 21, 2003
6595590 Body support for automotive mechanics Jul. 22, 2003
6554359 Sprung vehicle seat Apr. 29, 2003
6550740 Shock absorbing platform Apr. 22, 2003
6540301 Body support for automotive mechanics Apr. 1, 2003
6467843 Collapsible seat Oct. 22, 2002
6467785 Wheelchair with adjustable seat Oct. 22, 2002
6435613 Part of a motor vehicle seat Aug. 20, 2002
6367585 Adjustable hunting stand system Apr. 9, 2002
6361109 Seat cushion height adjuster Mar. 26, 2002
6318801 Structure for supporting seat of height-adjustment chair Nov. 20, 2001

1 2 3 4










 
 
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