The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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| Number | Title | Issue Date |
| 7337880 | Elevator car with lowerable roof An elevator car has a lowerable car roof portion serving in the lowered state as a maintenance platform. The lowerable car roof portion is stabilized in the lowered position against movements in a horizontal plane by at least one mechanical device engaging the car r... | 03/04/2008 |
| 7137616 | Pole pulling device A pole pulling device is provided for removing a pole from the ground. The pole pulling device includes a support structure extending along an longitudinal axis. A cable has a first end connectable to a support structure and a second end positionable about the pole.... | 11/21/2006 |
| 7111418 | Wheeled shovel An apparatus comprising a shovel disposed on a relatively large wheel and a method of using the apparatus for handling a load of material. The apparatus involves a shovel having a handle formed at the end of an elongate yoke, the yoke being mounted, at its middle po... | 09/26/2006 |
| 7093691 | Portable scissor-lift-assembly A lift assembly includes a first platform provided with a top surface, a pair of opposed sides, and wheels and brackets connected to one of the sides for rotating the assembly. A plurality of rectilinear support shafts have opposed end portions conjoined to the plat... | 08/22/2006 |
| 7055641 | Frame for the drive unit of an industrial truck, particularly a stacker lift truck A frame for the drive unit of an industrial truck, particularly a stacker lift truck which, inter alia, serves as a carrier of a lifting device and/or travel drive. The frame having a forward-facing apron formed in the shape of a bow from a cut-to-size flat sheet me... | 06/06/2006 |
| 6945742 | Portable manhole cover remover A manhole cover remover, including an attachment; a support; a pivot arm having a proximal end hinged to the support and the pivot arm having a distal end; a connector joining the attachment to the distal end of the pivot arm; a winch joined to the distal end of the... | 09/20/2005 |
| 6929443 | Lifting and telescoping dolly A lifting and telescoping dolly for facilitating the moving of bulky objects into and out of attics by one operator acting alone. The collapsible dolly opens into a self-supporting A-frame with four support points. It has wheels and a brake system for positioning th... | 08/16/2005 |
| 6921095 | Hand trolley with winch operated lifting carriage A hand trolley includes a chassis formed from side frames comprising parallel frame members, wheels and a base platform provided with a load lifting carriage having a lifting surface. The carriage can be raised from a low position on the base platform to an elevated... | 07/26/2005 |
| 6893201 | Hand cart assembly with increased capacity and tilt-maintaining feature An improved wheeled hand cart assembly has a tiltable lifting platform associated with a trailing platform so that separate loads may be transported on each platform. The lifting cart structure comprises a generally conventional L-shaped configuration having a pair ... | 05/17/2005 |
| 6880837 | Dolly for moving articles including lateral filing cabinets A dolly for moving articles including lateral filing cabinets, comprising a support surface for one end portion of such a cabinet, and upstanding members partially surrounding the support surface for locating the cabinet in position. The upstanding members include a... | 04/19/2005 |
| 6672821 | Loader apparatus for a vehicle A loader apparatus for an all-terrain vehicle for reducing the amount of effort to load an object onto the cargo rack of an ATV includes a base member being adapted to securely fasten to a cargo rack of the all-terrain vehicle; and also includes an elonga... | 01/06/2004 |
| 6655892 | Beverage distribution system and method of its manufacture and operation A series of transport carts (21) are positioned in side by side relation in fore and aft extending spaced apart rows disposed along a delivery van (22) to leave an aisle (58) between them. The carts have wheel supported frames (28) with bottom supports (1... | 12/02/2003 |
| 6575690 | Hay bale cart This invention relates to a two-wheeled cart with an extended handle for the levered lifting and balanced moving of bales, such as bales of hay. More particularly, hay baled in the form of a rectangular solid is received by the cart at a hay-bale-receivin... | 06/10/2003 |
| 6561745 | Hand truck for transporting floor sander A wheeled dolly for transporting and/or storing a floor sander to maintain the rubber tired wheels of the sander in a no load state and thereby preventing flat spots from forming in the tires resulting in variations in the depth of sanding process. Also d... | 05/13/2003 |
| 6533532 | Carrying apparatus An object-carrying system for facilitating object transportation over various ground or floor surfaces includes a transport frame and a hoist means, which transport frame is adapted to be carried by a user such that articles loaded onto such frame may be ... | 03/18/2003 |
| 6530740 | Hand truck with electrically operated lifting platform This invention relates to a hand truck with an electrically operated lifting platform. The hand truck includes a frame on both sides of which two guide rails are formed. The frame is provided with a screw shaft vertically supported on the frame to be vert... | 03/11/2003 |
| 6530737 | Cylinder transporter An apparatus comprising a transporter. More particularly this invention relates to an apparatus that can be used to transport a large and heavy cylinder on a frame with easy maneuverability. The apparatus is designed mainly for use with propane cylinders ... | 03/11/2003 |
| 6474930 | Hand truck for moving 3 point hitch equipment A wheeled hand truck adapted to carry lightweight three-point tractor hitch equipment. The hand truck has a frame made from two vertical rails, a handle, and some transverse ribs. An axle and a pair of wheels serve as the pivot point of the frame when the... | 11/05/2002 |
| 6413032 | Cylinder transporter An apparatus comprising a transporter. More particularly this invention relates to an apparatus that can be used to transport a large and heavy cylinder on a frame with easy maneuverability. The apparatus is designed mainly for use with propane cylinders ... | 07/02/2002 |
| 6364596 | Hay bale cart A hand cart adapted to lift and transport a single bale of hay or straw is disclosed. The cart is fabricated from metal stock pieces which are welded to form a rigid frame. The frame is designed with spaced apart wheels which will allow the cart to stradd... | 04/02/2002 |
| 6309168 | Lift for a hand truck A detachable lifting device can be attached to and works in conjunction with an upright portion of a hand truck. The invention allows the user to move heavier loads than would be possible with the hand truck alone, and to lift the loads to table or counte... | 10/30/2001 |
| 6244603 | Hand truck for transporting land-and water-craft A hand truck for transporting a craft such as a jet ski, snowmobile, or sailboat has a frame that is open at one lengthwise end, having lengthwise extending sides for placement alongside a craft that is to be transported. Wheels on the sides of the frame ... | 06/12/2001 |
| 6109856 | Hay bale carrier A two part hay bale carrier of simplified economical construction is formed by a wheel unit and a handle member. The wheel unit comprises a pair of wheels journaled by respective ends of an axle which rigidly supports normally upright tines intermediate i... | 08/29/2000 |
| 6086310 | Wheeled multipurpose keg handler A four-wheeled multipurpose handtruck is especially adapted to transport a cylindrical object such as a beer keg. A cradle-like frame nests the beer keg and a metal collar secures the keg to the frame. The handtruck employs a curved frame construction whi... | 07/11/2000 |
| 6077023 | Table lift and transport mechanism A table lifting and transporting mechanism with ground contact wheels, a table support portion and a mechanism for transferring the majority of the weight of the table to the wheels so that the table is supported generally at its center of gravity. The me... | 06/20/2000 |
| 6071061 | Multi-purpose hand cart A multi-purpose hand cart for permitting a single user to transport a variety of heavy loads. The multi-purpose hand cart includes a rear base frame having a spaced apart pair of side members and an elongate rear cross member connecting the side members o... | 06/06/2000 |
| 5975826 | Hand-truck with attachments A two-wheeled hand-truck with attachments, with an elevating mechanism incorporated into the body. The upright rails are tubular, and open on the bottom ends. A crank operated cable and pulley system forcibly extends the elevator downwardly. The attachmen... | 11/02/1999 |
| 5806868 | Manual cart for loading, transporting and unloading long or heavy objects A manually operated cart that is specifically designed for loading, hauling and unloading long and heavy objects such as pipe, wood poles and heavy construction members without requiring the user to manually lift the objects for either loading or unloadin... | 09/15/1998 |
| 5782600 | System and method for moving shelf units A cost-effective system and method for quickly and easily moving a fully loaded shelf unit is provided. The shelf unit includes first and second opposing vertical feet supporting the shelf unit on a ground surface. The system and method employ a first pry... | 07/21/1998 |
| 5658118 | Cylinder transporter A transporter for elongated compressed gas cylinders comprising an elongated load bearing beam supported in an upright inclining position by a pair of rotatably attached wheels and a supplemental support, the support also mounting a wheel which pivots abo... | 08/19/1997 |
| 5647720 | Hand cart for transporting stacked articles A hand cart for carrying sheets and other stacked objects has a motorized self-leveling platform, so the things being carried are kept at a constant elevation convenient to a worker, whether things are being added or removed from the platform. For carryin... | 07/15/1997 |
| 5624224 | Hand truck unloading apparatus A hand truck unloading apparatus for use with two wheel hand trucks having a cargo platform at the lower end portion, the cargo being unloaded by unidirectional forward displacement of an unloading device without manual contact of the operator with the lo... | 04/29/1997 |
| 5599156 | Unloading shoe subassembly for wheeled hand trucks An unloading shoe subassembly for use in combination with a hand truck includes a pair of sideframe members and a handle extending between and connecting the sideframe members. A pair of wheeled track assemblies are adapted to be mounted on the frame such... | 02/04/1997 |
| 5524415 | Carriage for a wrap apparatus A carriage is provided for supporting a supply roll of wrap paper for use with a wrap apparatus. A spindle is cantilever mounted from one side of a frame to receive the supply roll thereon. A handle extends outwardly from the other side of the frame and m... | 06/11/1996 |
| 5518356 | Extensor wing latch mechanism for a two-wheeled hand truck A latch assembly mounted on a two-wheeled hand truck having vertically extending wings mounted on the hand truck frame side rails to pivot about axes extending generally parallel to said side rails from an operative position in which they extend laterally... | 05/21/1996 |
| 5513940 | Removable dolly for steerable movement of a load A device for lifting, steerably moving and putting down a load includes a removable dolly which cooperates with an anchor plate fixed to the load. The removable dolly includes a chassis provided at its front part with a lifting and abutment system which c... | 05/07/1996 |
| 5501497 | Adjustable drum handling carrier An adjustable drum handling carrier particularly adapted for use in handling fiber drums includes an upright tube with telescoping top and bottom bracket tubes. The upright tube is attached to a midpoint of a cradle. The side wall of the drum is periphera... | 03/26/1996 |
| 5277439 | Hand truck A hand truck includes a rectangular main frame having a hand grip attached at the upper end of the main frame and a nose attached at the lower end of the main frame. A secondary rectangular frame lies alongside the back side of the main frame, with the se... | 01/11/1994 |
| 5026078 | Harp caddy A harp caddy for transporting a harp of the type having a base including feet projecting laterally outwardly from the base for supporting the harp. The harp caddy having a frame including a platform for supporting the harp. Clamps attached to the frame ar... | 06/25/1991 |
| 4824313 | Device for lifting and moving carpet rolls An apparatus for lifting and moving heavy, elongated rolls of material comprises an elongated member adapted to be inserted axially in a roll of material, a pair of lifting devices for engaging end portions of the axial member that project from opposite e... | 04/25/1989 |