"The wireless music box has no imaginable commercial value. Who would pay for a message sent to nobody in particular?"
David Sarnoff, American radio pioneer ; 1921
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| Number | Title | Issue Date |
| 8177242 | Portable x-ray grid cabinet A radiographic grid cabinet for holding x-ray grids and/or cassettes that can have a vertical structure attached to a flat base with wheels that engage when the device is tilted backward like a handcart so that the cabinet can be easily transported from place to pla... | 05/15/2012 |
| 8152180 | Extension system for handcart A hand cart includes an upright frame and a metal toe plate with a peripheral edge. The toe plate is slightly canted toward the ground when the cart is in a free-standing upright orientation. An extension unit slides onto the toe plate. The extension unit is canted ... | 04/10/2012 |
| 8123238 | Transport device A transport device that includes a toe plate, a pair of side boards, a mesh backing, and a handle that is capable of being either hand-carried or mounted to a trailer hitch on a lawnmower or other slow moving motor transport. The transport device is fabricated from ... | 02/28/2012 |
| 8104778 | Dual purpose wheeled cart apparatus The dual purpose wheeled cart apparatus supports and transports a variety of cargo. The cart apparatus, in one mode, supports and transports specialized bags and easily converts from a bag transporter to a varied cargo transporter. The hopper, especially suited to b... | 01/31/2012 |
| 7946598 | Hand cart having one piece plastic frame useful as a two wheel hand cart and four wheel configuration and method of manufacturing same A frame for a two wheeled hand cart comprising a single frame useful for a two wheel or four wheel hand cart that is constructed and designed of a molded plastic in a single unitary piece comprising a pair of side frames joined by spaced apart cross rails integrally... | 05/24/2011 |
| 7871089 | Trash container hand truck system A trash container hand truck system includes a container that has a bottom wall and a peripheral wall. Wheels are attached to the peripheral wall and a cover is hingedly coupled to the container. A post has a bottom end, a top end and a front side. A plate is attach... | 01/18/2011 |
| 7740251 | Hand truck for appliances The hand truck for appliances is a device for moving a water heater and other appliances. The hand truck includes a main frame having a pair of wheels mounted on a lower end rearward of the main frame, and a support plate also mounted on the lower end and projecting... | 06/22/2010 |
| 7588255 | Collapsible clamping work table A collapsible clamping table has open and closed positions. In the open position, a clamping table top is supported by legs in an elevated, generally level position. The legs and table top fold together to collapse the table for storage or transportation. A load pla... | 09/15/2009 |
| 7513511 | Convertible dolly/table A three-in-one transporting device. The device may be converted for use as a two-wheeled dolly, a four-wheeled, flat-bed truck or a standard display table. The device incorporates a design that utilizes a lightweight frame fabricated from tubular materials. The fram... | 04/07/2009 |
| 7487976 | Hand truck A hand truck including a body, a load supporting platform, an axle, and a wheel assembly having a pair of wheels. Each wheel has an inner race that is freely rotatable within an outer ground-engaging portion via bearings disposed there between. Each wheel also inclu... | 02/10/2009 |
| 7464947 | Hand truck capable of multi-directional movement The hand truck or dolly of the present invention is capable of multi-directional movement and provides an operator with complete control of movement and directional choice for the hand truck without having to remove his hands from a handgrip location to achieve mech... | 12/16/2008 |
| 7431314 | Handling device for wheel assembly components A wheeled hand truck installs, removes, and transports rim-mounted tires and brake drums for vehicles. The truck comprises an elongated frame and extended fork section supported by a transverse axle having wheels at the ends bracketing the frame. The frame includes ... | 10/07/2008 |
| 7417437 | Vehicle battery testing assembly A portable assembly includes a multi-level housing having a vertically oriented back wall and an elongated rectilinear axle conjoined thereto. The housing further includes an elongated handle having a lower end portion monolithically formed with the back wall. A plu... | 08/26/2008 |
| 7416193 | Carpenter saw transporter assembly The carpenter saw transporter assembly (20) includes a rectangular plate (32) with a flange (44) for supporting the saw machine (22). A plurality of wheel assemblies (46) are mounted on the flange (44) for transporting the s... | 08/26/2008 |
| 7410180 | Door positioning device A door positioning device for use in a ground surface having an elongated platform with an upper surface and a lower surface. The platform also includes a first end portion and a second end portion. At least one wheel is located at the second end portion of the plat... | 08/12/2008 |
| 7398990 | Hand truck A hand truck includes a bottom base, a reinforcing member, a positing device and a handle. The bottom base consists of a U-shaped tube and a bottom plate combined vertically with a lower end of the U-shaped tube, which has two elongate side vertical portions provide... | 07/15/2008 |
| 7389997 | Wheeled transporting device with telescoping leg stabilization assembly A combined desk and article carrier assembly for transporting at least one article in one mode and for serving as a work desk in another mode. The assembly includes wheels at its lower end with the upper end including an upwardly telescopical handle assembly for man... | 06/24/2008 |
| 7387306 | Dolly A dolly has a carrying frame (1) provided with a scoop (2) which is coupled to an end of said frame in such a way that it can pivot about a pivoting axis (3). The scoop is movably coupled, by a control mechanism, to two wheel carriers which can ... | 06/17/2008 |
| 7384050 | Cart for portable oxygen An oxygen cart comprises a post connected to a handle and a bracket, a plurality of wheels connected to an underside of the bracket, at least one tank holder connected to an upper side of the bracket for holding portable gas tanks, and a tank support wall connected ... | 06/10/2008 |
| 7357398 | Cart for welding operations A cart for transporting items used in welding operations includes a platform, wheels, a handle and a connector. The platform is dimensioned such that an associated container of welding consumables can rest on the platform. The wheels connect to the platform to facil... | 04/15/2008 |
| 7350790 | Multi-function, all-terrain dolly for a snowmobile or the like A snowmobile dolly usable with a wide variety of snowmobiles of different sizes and/or designs. The dolly approaches the snowmobile from the front and engages its front bumper. A downward force on the tongue of the dolly raises the snowmobile and positions the front... | 04/01/2008 |
| 7331596 | Collapsible multifunction apparatus These objects and others are attained by the present invention which provides a collapsible multifunction apparatus, comprising upper and lower sections with a front frame and rear prop legs, where the front frame is pivotably attached by hinges to both sides of the... | 02/19/2008 |
| 7325814 | Portable gas container cart A portable gas container cart comprising (a) two parallel plates comprising a top portion, a bottom portion, a frontal end and a back end, wherein said parallel plates are connected by a plurality of connecting elements; (b) a pair of grooves located on the top port... | 02/05/2008 |
| 7322583 | Ergonomic telescoping handle assembly for wheeled luggage The present invention is directed to a wheeled luggage item with an ergonomic telescopic handle assembly. The ergonomic telescoping handle assembly of the present invention allows a user to use the luggage using just one hand. Furthermore, the ergonomic telescoping ... | 01/29/2008 |
| 7293783 | Creeper with trays A creeper (10) includes an outer frame (16) including side rails (19) and end members (17, 25). Support rails (33) extend longitudinally between the end members (17, 25), and they carry a headrest pad (13) and a body ... | 11/13/2007 |
| 7255355 | Portable collapsible stand A portable collapsible stand includes first, second, and third support frames, a work surface frame, and a telescoping strut pivotably connected to the first and work surface frames. The second frame projects perpendicularly from a lower portion of the first frame. ... | 08/14/2007 |
| 7252297 | Safety welding cart A safety welding cart structure having a metal box for holding pressurized gas cylinders, a firewall separating the cylinders, individual clamping devices to secure the cylinders, and shelves extending from the back of the box forming a cart set upon a four-wheeled ... | 08/07/2007 |
| 7252300 | Manual brake for a wheelchair with a variable braking force Manual braking system with a variable braking force for a wheelchair. Caliper type brakes positioned to mount on and exert braking force on disks mounted to interior “disk” hubs rotatably mounted to the wheelchair frame wheel hubs are mated with the “disk” h... | 08/07/2007 |
| 7232135 | Wheelbarrow A wheelbarrow has a main frame defining two laterally spaced-apart longitudinal portions, to which an axle is mounted with a wheel rotatably mounted thereto, and to which a body, such as a tub or flat bed, is mounted for carrying a load. Attached to the main frame a... | 06/19/2007 |
| 7219903 | Hand truck A hand truck comprising a frame including a first frame portion and a second frame portion, with the first frame portion being substantially perpendicular to the second frame portion. The hand truck further includes at least two first wheels connected to a lower sec... | 05/22/2007 |
| 7213829 | Table saw cart A table saw cart comprised of a framework of a carrier containing multiple lateral and longitudinal frames, a foldable frame and a set of front wheels; those longitudinal frames being movable for adjustment to compromise the size of the individual machine; expansion... | 05/08/2007 |
| 7213380 | Concrete slab lifter A concrete slab lifter is disclosed, wherein the concrete slab lifter comprises a central support, a bottom plate attached to the bottom of the central support, a pair of wheels attached near the bottom of the central support, a jaw pivotally attached to the central... | 05/08/2007 |
| 7210689 | Tool organizer A tool organizer is disclosed. According to one embodiment, the tool organizer comprises a frame and a plurality of wheels attached to the frame. The tool organizer also includes a tool storage structure supported by the frame. The tool storage structure comprising ... | 05/01/2007 |
| 7195257 | Cargo cart system incorporating a portable container cradle A cargo cart system with a cradle assembly includes a pair of support rails with generally sinuous upper and lower surfaces and at least one cross bar spanning the support rails. The sinuous upper and lower surfaces are maintained in mirrored relation with one anoth... | 03/27/2007 |
| 7168712 | Multi function hand truck A multi-function hand truck is convertible to allow lifting of a load at a spaced distance from the truck and/or is convertible for use as a wheelbarrow. A pair of lifting arms co-operate with the frame of the hand truck to extend outwardly therefrom and allow the f... | 01/30/2007 |
| 7165661 | Bag mounted with casters A bag mounted with casters has a bag body attached to a base frame mounted with the casters at four corners of a bottom surface thereof. The base frame includes a loading table, and vertically extensible rods with a grip mounted at upper ends thereof. The extensible... | 01/23/2007 |
| 7163213 | Powered hand truck A powered hand truck for assisting in the movement of objects. The powered hand truck includes an electric motor, a power source, a programable motor controller, and a transaxle, which are adaptable to existing hand trucks, or may be integrated into a new powered ha... | 01/16/2007 |
| 7140635 | Portable luggage carts/carriers By providing a frame assembly, two wheel holding carriers which are arcuately pivotably mounted to the frame assembly, and a support platform which is also pivotally mounted to the frame assembly and controls the movement of the wheel holding carrier, a small, compa... | 11/28/2006 |
| 7137464 | Stair climbing hand truck A hand truck for climbing stairs includes a frame having handles proximate a first end and at least two wheels proximate a second end. A stair climbing mechanism is engaged with the frame proximate the second end. The stair climbing mechanism has a motor and an outp... | 11/21/2006 |
| 7104555 | Versatile carrier A carrier includes a supporting unit that is amenable to supporting a wide variety of items. The carrier includes shelves and/or baskets as well as a unit that can be used to support large and/or bulky items. The carrier further includes a stabilizer unit as well as... | 09/12/2006 |