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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US416663119 Oct 19774 Sep 1979Sports wheelchair
US431016715 May 198012 Ene 1982The University of Virginia Alumni Patents FoundationCenter of gravity wheelchair with articulated chassis
US45455934 Nov 19838 Oct 1985Enhanced mobility wheelchair
US456538516 Ene 198421 Ene 1986Tiltable supporting wheelchair
US461399430 May 198530 Sep 1986Collapsible portable enema seat
US48239009 Jun 198825 Abr 1989Four-wheel drive wheel-chair with compound wheels
US487726030 Nov 198831 Oct 1989Anti-tip wheelchair accessory
US492695230 Mar 198922 May 1990Four-wheel drive wheelchair with compound wheels
US492716721 Mar 198822 May 1990Ambulatory wheelstand
US498791231 May 199029 Ene 1991George P. TaylorWalker assembly having stabilizer means
US513729528 Feb 199111 Ago 1992Wheelchair with anti-tip assembly
US518173313 Dic 199126 Ene 1993Anti-tip device for wheelchair
US522256726 Abr 199129 Jun 1993Genus Inc.Power assist device for a wheelchair
US549071521 Jun 199313 Feb 1996Arrangement in a chair
US586545714 Jul 19972 Feb 1999La-Z-Boy IncorporatedWheeled health care chair
US596447316 Jul 199612 Oct 1999Degonda-Rehab S.A.Wheelchair for transporting or assisting the displacement of at least one user, particularly for handicapped person
US60479793 Abr 199811 Abr 2000Geer Products Ltd.Wheelchair anti-tipping device
US606260014 Jul 199716 May 2000Deka Products Limited PartnershipAnti-tipping mechanism
US609902123 Mar 19988 Ago 2000Accessory for supporting a wheelchair in a stable reclined position
US620647227 May 199927 Mar 2001Two position reclinable wooden chair
US635779329 Oct 199919 Mar 2002Sunrise Medical HHG Inc.Anti-tip wheel
US640603922 Oct 200118 Jun 2002Three-wheel roller skate
US653059829 Abr 199911 Mar 2003Anti-tip devices for wheeled conveyances including wheelchairs and method related thereto
US653330618 Ene 200118 Mar 2003Pride Mobility Products CorporationAdjustable height anti-tip wheels for a power wheelchair
US655408627 Oct 200029 Abr 2003Invacare CorporationObstacle traversing wheelchair
US66018632 Jul 19995 Ago 2003Invacare CorporationMid-wheel drive wheelchair with rigid front wheel anti-tip stabilizer
US673641710 May 199618 May 2004Mountain chair apparatus and method for transporting a handicapped person over mountainous terrain
US67764309 Sep 200217 Ago 2004Pride Mobility Products CorporationStabilizing system for a reclinable wheelchair
US685171118 Ago 20038 Feb 2005Invacare CorporationVehicle having an anti-dive/lockout mechanism
US69232786 May 20022 Ago 2005Pride Mobility Products CorporationAdjustable anti-tip wheels for power wheelchair
US692328017 Mar 20032 Ago 2005Invacare CorporationObstacle traversing wheelchair
US693544817 Mar 200330 Ago 2005Invacare CorporationObstacle traversing wheelchair
US693892330 Abr 20026 Sep 2005Pride Mobility Products CorporationPower wheelchair
US704042910 Oct 20019 May 2006Invacare CorporationWheelchair suspension
US705563422 Ene 20046 Jun 2006Invacare CorporationWheelchair suspension
US706629019 Oct 200127 Jun 2006Invacare Corp.Wheelchair suspension having pivotal motor mount
US708319527 Oct 20031 Ago 2006Invacare CorporationSuspension with releasable locking system
US72197553 Jun 200522 May 2007Invacre Corp.Obstacle traversing wheelchair
US72199242 Jul 200322 May 2007Pride Mobility Products CorporationRear wheel drive power wheelchair with ground-contacting anti-tip wheels
US723200817 Sep 200419 Jun 2007Pride Mobility Products CorporationActive anti-tip wheels for power wheelchair
US729380110 Mar 200513 Nov 2007Invacare CorporationSelf-stabilizing suspension for wheeled vehicles
US734415527 Jul 200518 Mar 2008Pride Mobility Products CorporationAdjustable anti-tip wheels for power wheelchair
US737400226 Jun 200620 May 2008Invacare CorporationWheelchair suspension
US74727678 May 20066 Ene 2009Invacare CorporationWheelchair suspension
US759716321 Jul 20066 Oct 2009Invacare CorporationObstacle traversing wheelchair
US81720159 Dic 20088 May 2012Invacare CorporationWheelchair suspension
US817201629 Sep 20098 May 2012Invacare CorporationObstacle traversing wheelchair
US818669527 Oct 200529 May 2012R82 A/SComfort wheelchair