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| Number | Title | Issue Date |
| 8172016 | Obstacle traversing wheelchair A wheelchair suspension is provided. The wheelchair suspension includes a frame, a pivot arm, a front caster, a drive assembly, and a rear caster. The pivot arm is pivotally coupled to the frame. The front caster is coupled to the pivot arm. Movement of the drive as... | 05/08/2012 |
| 8172015 | Wheelchair suspension A wheelchair includes a pivoting drive assembly having a drive wheel, a motor drive connected to the drive wheel, and a first pivoting linkage fixedly attached to the motor drive. The pivoting drive assembly is pivotally coupled to a frame at a first frame pivot axi... | 05/08/2012 |
| 8145373 | Method and apparatus for programming parameters of a power driven wheelchair for a plurality of drive settings A method of programming parameters of a power driven wheelchair for a plurality of drive modes comprises: displaying a menu image on an interactive display screen, the menu image including settings of a plurality of wheelchair parameters for a plurality of drive mod... | 03/27/2012 |
| D656070 | Wheelchair shroud | 03/20/2012 |
| 8127875 | Power driven wheelchair A power driven wheelchair and a method for operating same are provided. In one embodiment, the power driven wheelchair includes a system controller with a main controller, a storage device, and at least one input device, a motor assembly, and a common bus. The motor... | 03/06/2012 |
| 8123497 | Apparatus for compressing and storing oxygen enriched gas A multiple-stage gas compressor is disclosed by this application. The compressor has a plurality of pistons, including at least one wobble piston assembly and at least one cylinder piston assembly for compressing pressurized gas from the at least one wobble piston. ... | 02/28/2012 |
| 8109572 | Device for adjusting the seat back angle in a wheelchair and a wheelchair comprising such a device The wheelchair comprises a seat back a module (2) movably coupled to a seat module (5). Two lateral plates (10, 10′) are secured to the seat back module (2) and pivotally mounted on the seat module (5). Each of said plate is prov... | 02/07/2012 |
| D652357 | Wheelchair | 01/17/2012 |
| 8073588 | Method and apparatus for setting or modifying programmable parameter in power driven wheelchair A method and apparatus for setting or modifying a programmable operating parameter associated with a power driven wheelchair is provided. In one embodiment, the method includes: a) operating a user interface device associated with a power driven wheelchair in a prog... | 12/06/2011 |
| 8073585 | Method and apparatus for setting or modifying programmable parameters in power driven wheelchair A collection of diagnostic and troubleshooting information associated with a power driven wheelchair is stored for access by a microcontroller to be displayed to a user to assist in troubleshooting the power driven wheelchair. A log of fault codes transmitted by var... | 12/06/2011 |
| 8070853 | Apparatus and method of providing concentrated product gas In one aspect, a product gas concentrator is provided. In one embodiment, the apparatus may include: a first process separating absorbable components from a source gaseous mixture, a second process providing concentrated product gas in a continuous output mode, a th... | 12/06/2011 |
| 8066004 | System and method for providing a breathing gas Systems and methods for providing a breathing gas are provided. In one embodiment, the method includes sensing a sensed parameter associated with delivery of the breathing gas, changing a control parameter associated with a flow/pressure control element in response ... | 11/29/2011 |
| 8065051 | Context-sensitive help for display device associated with power driven wheelchair An apparatus and method for providing help information on a display device associated with a power driven wheelchair is provided. In one embodiment, the method includes: a) displaying screen content displayed on the display device during operation or support of the ... | 11/22/2011 |
| 8062003 | System and method for providing oxygen A home care oxygen system includes an inline compressor that has all the check valves and gas flow passages between cylinders located in the cylinder head. Only a single check valve is used for each cylinder. The crankshaft is built up from a shaft with eccentrics a... | 11/22/2011 |
| 8028698 | Breathing mask Breathing mask assemblies that include adjustable forehead supports are disclosed herein. In one embodiment, a forehead support is adjustably coupled to a central or main body of the breathing mask. A clamp is configured to lock the position of the forehead support ... | 10/04/2011 |
| 8012240 | Apparatus and method of providing concentrated product gas In one aspect, a product gas concentrator is provided. In one embodiment, the apparatus may include: a first process separating absorbable components from a source gaseous mixture, a second process providing concentrated product gas in a continuous output mode, a th... | 09/06/2011 |
| D642963 | Frame | 08/09/2011 |
| 7980580 | Clamping assembly The present application discloses several embodiments of clamping devices and quick connect attachment devices. In one embodiment, a clamping device includes two wedge members that are forced together to engage a frame component. In another embodiment, a quick conne... | 07/19/2011 |
| 7931101 | Proportional joystick with integral switch An input device, such as a joystick, provides proportional input signals related to a position of an actuating member along an actuation surface and also includes a switch that provides an additional signal when the actuating member is moved in a direction perpendic... | 04/26/2011 |
| 7913985 | Cap A container cap for providing a seal with an annular wall of a receptacle is disclosed. The cap includes a top wall, an annular seal wall, and cam structure. The annular seal wall extends axially from the cover portion. The annular seal wall is spaced radially inwar... | 03/29/2011 |
| 7891033 | Adjustable seat cushion assembly According to one embodiment of the present invention, a seat cushion assembly is provided that includes a base cushion and a plurality of inserts. A recess is defined within the base cushion which is adapted to house the inserts. Each of the inserts can be selective... | 02/22/2011 |
| 7875105 | Oxygen concentrator having structural sieve beds Embodiments of oxygen concentrators having a sieve bed that includes a vessel filled with a separation medium are disclosed. The sieve bed vessel at least partially supports one chassis component of the oxygen concentrator with respect to another chassis component. ... | 01/25/2011 |
| D620297 | Cushion | 07/27/2010 |
| 7722700 | Apparatus and method of providing concentrated product gas Component gas is separated from a gas mixture. Component gas flow rate, or demand, is determined. One or more gas separator operating parameters is changed based on the component gas flow rate. For example, gas flow rate can be approximated by measuring a rate of pr... | 05/25/2010 |
| 7694990 | Anti-tip wheelchair A manually-powered wheelchair that includes one or more features that enhance the overall maneuverability and stability of the wheelchair, such as centrally mounted drive-wheels and an anti-tip system. Other embodiments may include at least one of an adjustable anti... | 04/13/2010 |
| 7621274 | Nasal mask A nasal mask of the type for delivering gas for example to ease or assist the breathing process includes a shell and a cushion connected with the shell. The shell has a side wall and a retaining ring disposed inside the side wall. The side wall and the retaining rin... | 11/24/2009 |
| 7614639 | Modular standing frame A modular standing frame is described herein. The modular standing frame has a chair module adapted to raise and lower a user between sitting and standing postures without inducing shear between the user and the seat and seat back of the chair module. The chair modu... | 11/10/2009 |
| 7073773 | Rapid connection coupling The invention concerns a rapid connection coupling (10) for transferring high-pressure gases and/or liquid, in particular for refilling a high-pressure, mobile container such as a gas cylinder with oxygen in a home environment or at a transfill station with a... | 07/11/2006 |
| 7520518 | Wheelchair A wheelchair frame member that includes a first metallic tube member, a second metallic tube member, and a tubular composite member. First and second end portions of the composite member extend into the first and second metallic tube members. The first and second en... | 04/21/2009 |
| D590565 | Stand-up lift | 04/14/2009 |
| 7472767 | Wheelchair suspension The present invention relates to a wheelchair suspension that includes a pivoting assembly. The pivoting assembly includes at least two linkages. The pivoting assembly is structured so that the drive assists the wheelchair in traversing obstacles. ... | 01/06/2009 |
| D583931 | Nasal mask | 12/30/2008 |
| 7455717 | Apparatus and method of providing concentrated product gas In one aspect, a product gas concentrator is provided. In one embodiment, the apparatus may include: a first process separating adsorbable components from a source gaseous mixture, a second process providing concentrated product gas in a continuous output mode, a th... | 11/25/2008 |
| 7441289 | Slip nut assembly for adjustable height bed An adjustable bed includes a universal, or interchangeable, bed end that can be used at either end of the bed and that can be connected with a motor drive assembly. The bed end may include a manual crank that is removably attached to the bed end. The bed end may inc... | 10/28/2008 |
| 7419182 | Mobility aid A wheelchair includes at least one side frame connected to a front caster assembly, and a cross-brace assembly. The cross-brace assembly includes a cross-brace member; at least one rear caster assembly connected to the cross-brace member; at least one main drive whe... | 09/02/2008 |
| 7403844 | Method and apparatus for programming parameters of a power driven wheelchair for a plurality of drive settings A method of programming parameters of a power driven wheelchair for a plurality of drive modes comprises: displaying a menu image on an interactive display screen, the menu image including settings of a plurality of wheelchair parameters for a plurality of drive mod... | 07/22/2008 |
| 7379793 | Method and apparatus for setting speed/response performance parameters of a power driven wheelchair A method of setting values of a multiplicity of performance parameters of a power driven wheelchair into a controller comprises the steps of: grouping the multiplicity of performance parameters into at least two groups; for each group, (a) establishing a correspondi... | 05/27/2008 |
| 7374002 | Wheelchair suspension The present invention provides a suspension for a conveyance that is capable of traversing obstacles and rough terrain. The suspension includes a frame, a pivot arm, a front caster, a drive assembly and a rear caster. The pivot arm substantially remains in a first p... | 05/20/2008 |
| D567151 | Rollator | 04/22/2008 |
| 7343796 | Fluidic demand apparatus and MEMS flow sensor for use therein A microvalve sensor for sensing fluid flow therethrough and generating an electrical signal indicative thereof comprises: a housing connectable inline with a fluid passageway; a microvalve disposed in the housing to permit fluid to flow unidirectionally through the ... | 03/18/2008 |
