Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7854280 | Preassembly unit for the drive of an industrial truck A preassembly unit for the drive of an industrial truck, with a fifth wheel on which the driving wheel is rotatably mounted around a horizontal axis and which on its part is rotatably mounted in a bearing member around a vertical axis, a drive motor arranged on the ... | 12/21/2010 |
| 7784572 | Drive unit for an industrial truck A drive unit (1) for an industrial truck comprises a drive motor (2), an electronic steering mechanism (3) being arranged at the periphery thereof. In this way, the drive unit (1) is configured such that it is simpler to assemble and more... | 08/31/2010 |
| 7686110 | Garbage can moving system A garbage can moving system includes an elongated handle having a first end and a second end. A grip is attached to the second end. A bracket assembly is attached to the handle adjacent to the first end. The bracket assembly is removably engageable with a rod positi... | 03/30/2010 |
| 7451841 | Mobile trailer hitching apparatus A trailer loading or hitching device for moving a trailer between a storage position and attachment of a tongue of the trailer to a tow vehicle, comprising a vertical lifting column selectively extendable and retractable by a mover and pivotally connected to a drive... | 11/18/2008 |
| 7328761 | Steerable trailer drive assembly A steerable drive assembly for local movement of a trailer includes an electric motor drive wheel unit having a drive wheel connected to the output shaft of a gear reduction unit. A steering shaft is connected to the drive wheel unit and an upper operating handle. T... | 02/12/2008 |
| 7311161 | Hospital bed having a drive wheel unit A hospital bed includes a carrier frame, a driven wheel unit disposed below the frame, a motor unit, a drive wheel unit disposed below the frame and coupled operably to the motor unit in such a manner that actuation of the motor unit results in rotation of the drive... | 12/25/2007 |
| 7311160 | Wheelchair with forced driven front caterpillar wheels The present invention relates to a wheelchair with forced driven front caterpillar wheels with a cable-hauling ratchet lever by which a user, by himself/herself, can pass over a road-block or drains on roads, lifts up the caterpillars from the ground for easy steeri... | 12/25/2007 |
| 7306250 | Method of attaching a manually operated wheelchair to a motorized scooter A method of attaching a manually operated wheelchair to a motorized scooter using an angle iron, an adjustable bar that has a left segment, a middle segment, a right segment and a pair of adapters. A user slides the middle segment over the left and right segments, a... | 12/11/2007 |
| 7293619 | Front wheel motor driven-golf trolley A front-wheel motor powered golf trolley comprised of a compact backward tricycle-wheel arrangement and a lightweight stiff open truss chassis. Left and right front wheel assemblies, driven by common drive axle, motorized through silent motor speed reduction, pull t... | 11/13/2007 |
| 7275907 | Boat trailer tug The boat trailer tug includes a primary frame with a mounting beam that is attachable to a boat trailer frame. A primary collar is fixed to the mounting beam front end. A hitch tongue is connected to the collar and extends forward from the collar. A hitch ball recei... | 10/02/2007 |
| 7267347 | Structural assembly for electric scooter A structural assembly for electric scooter includes a seat mount and a treadboard support. The structural assembly utilizes hook portions on a connecting plate of the treadboard support to hook onto a stud shaft below a joining plate of the seat mount, and further u... | 09/11/2007 |
| 7237632 | Powered mechanism for universal golf cart A powered mechanism for a universal golf cart includes a transmission device, and a fixing device. The transmission device includes a housing assembly for mounting a motor, a battery unit, a control circuit board and a drive shaft. The drive shaft is connected with ... | 07/03/2007 |
| 7216728 | Motorized apparatus for towing a wheelchair A motorized apparatus for towing a wheelchair includes a framework, a handle assembly, a motor driving assembly and a wheelchair connecting assembly. The framework includes a chassis. The handle assembly is adjustably mounted on the chassis. The motor driving assemb... | 05/15/2007 |
| 7210705 | Inclination adjustment device for electric scooter steering assembly An adjustment device for the steering assembly of an electric scooter is provided. The adjustment device is at least composed of a body, two confining plates, an elastic element, a cam wheel member, two bearing rods, and a sliding shaft. The sliding shaft has its bo... | 05/01/2007 |
| 7198122 | Device for transporting a stroller A device for transporting strollers includes a base member having a plurality of compartments, a plurality of wheels for supporting the base member wherein two such wheels are mounted adjacent the rear portion and another wheel is pivotally mounted to the base membe... | 04/03/2007 |
| 7192040 | Drive mechanism for vehicle The present invention provides an electric-driven vehicle, which comprises a supporting platform and an upright tube, wherein the supporting platform has first and second ends and a longitudinal axis perpendicular to the first and second ends, the upright tube is fi... | 03/20/2007 |
| 7174976 | Dynamically stable transporter controlled by lean A transporter for transporting a subject over a surface that may be irregular. The transporter includes a support platform for supporting a load, the loaded support platform defining fore-aft and lateral planes and characterized by a load distribution. A plurality o... | 02/13/2007 |
| 7174093 | Wheel chair drive apparatus and method A control system for a powered wheel chair drive modulates a pulse power delivery signal such that power is delivered gradually at throttle positions corresponding to a low speed, and power is delivered more rapidly at throttle positions corresponding to a higher sp... | 02/06/2007 |
| 7134515 | Utility transport system The present invention comprises a utility transport truck having electro-pneumatic controls for coupling and decoupling of devices which are in weight and sensitivity categories that make manual movement without power assist difficult or impossible. ... | 11/14/2006 |
| 7117967 | Wheel chair apparatus and method A wheel chair drive apparatus includes a frame having a wheel mount, a battery mount, and a control shaft mount. A drive wheel has a drive motor incorporated within the drive wheel. A battery is in operative communication with the drive motor via a detachable jack. ... | 10/10/2006 |
| 7108090 | Motorized cart with hub gear motor system The invention is directed to a motorized cart and a hub gear motor system in which the electric motor of the system is contained within the hub casing of a front wheel of the motorized cart. The hub gear motor system provides the motorized cart with front wheel driv... | 09/19/2006 |
| 7104351 | Mount for chain driven sprocket and chain powered scooter An improved motor mount adjustably tensions the chain in a chain and sprocket driven vehicle. The vehicle has a frame, at least one driven wheel rotating from a wheel rotation point on the frame, a driven sprocket driving the driven wheel. A motor is mounted to the ... | 09/12/2006 |
| 7093841 | Seating/storage add-on section with holster for shopping cart The present invention is a seating/storage add-on section for use with a shopping cart, having a non-rigid connector for engaging the rear wheels of a shopping cart. In addition, the connector allows relative movement between the add-on section and an attached shopp... | 08/22/2006 |
| 7090040 | Motion control of a transporter A transporter for transporting a subject over a surface that may be irregular. The transporter includes a support platform for supporting a load, the loaded support platform defining fore-aft and lateral planes and characterized by a load distribution. A plurality o... | 08/15/2006 |
| 7077229 | Folding and portable electric scooter A folding and portable electric scooter assembled from structural members including a body member, a cover member, a seat frame and handles. When the electric scooter is not in use, a user needs only employ three simple actions to facilitate rapid folding away of a ... | 07/18/2006 |
| 7063344 | Auxiliary wheelchair Auxiliary wheelchair for disposing on a primary wheelchair. The auxiliary wheelchair includes first and second frame sections that are telescopically connected together. The second frame section is actuatable relative to the first frame section from a first support ... | 06/20/2006 |
| 7040427 | Tiller-steered industrial truck An industrial truck having a steering assembly used to steer the industrial truck about a steering axis when a pivotally attached tiller is swung around the truck by an operator. The steering axis is tilted towards the forks of the truck an angle between 2 and 5 deg... | 05/09/2006 |
| 7017689 | Electrical steering assist for material handling vehicles Electrical steering assist systems reduce the operator applied steering effort necessary to operate material handling vehicles. A steer drive unit including a motor is coupled to a steerable wheel for providing steering assist. The amount of steering assist provided... | 03/28/2006 |
| 7004272 | Child and adult transporting stroller system A child and adult transporting stroller system is disclosed that provides an adult ride along function. The system includes a frame having a front and a rear and lateral sides, a child supporting seat mounted on the frame, ground engaging structure for engaging a gr... | 02/28/2006 |
| 7002319 | Cable railroad system A cable railroad system has a load-bearing and traction cable and a large number of chairs. The chairs are provided with coupling devices with which they can be coupled to the load-bearing and traction cable. Here, the seats of the chairs are constructed with electr... | 02/21/2006 |
| 6991050 | Drive mechanism for trailer The present invention discloses a drive wheel for placement on the front end of a boat trailer or the like which wheel both drives and steers a trailer into a position where the trailer tong can be connected to the rear end of the towing vehicle. The concept of the ... | 01/31/2006 |
| 6945343 | Motorized trailer wheel with direct drive and trailer incorporating same The invention is a motorized trailer wheel mounted to a trailer tongue jack which has a single power source such as 12-volt battery-powered electric motor and gear reducer. The motor drives a pinion gear which engages a circular rack mounted to the wheel. Operation ... | 09/20/2005 |
| 6942238 | Upright golf cart A golf cart for supporting a golf bag and clubs in a vertically upright condition upon an underlying surface includes a carriage for accommodating the bag. Two axially aligned forward wheels are axially rotatably connected to the carriage. At least one rearward whee... | 09/13/2005 |
| 6907949 | Battery powered motor vehicle and method of use A battery powered motor vehicle for transporting a rider in a standing position can be steered by either selective distribution of the riders weight, or alternative by turning a steering console. By attaching a cargo rack, the battery powered motor vehicle can be co... | 06/21/2005 |
| 6889784 | Motorized chariot A vehicle incorporating a power unit having a front portion, a rear portion and a power source. A drive wheel, disposed in the front of the power unit, is connected to the power source. A brake pad is connected to the power unit beneath the power source and a handle... | 05/10/2005 |
| 6883632 | Manual-electric wheelchair drive device An input device (such as a rotational hand crank) receives a constantly-applied motion, and outputs a signal to a controller which, in turn, sends an appropriate signal to an electric motor, which is connected to the chair via a mechanical transmission. The wheel is... | 04/26/2005 |
| 6854555 | Single wheel driving mechanism A single-wheel driving mechanism for floor transport vehicles is comprised of a gearing housing with at least one gear stage, a flanged-on drive motor, and a driven running wheel. For obtaining the smallest possible installation space or achieving a simplified insta... | 02/15/2005 |
| 6779616 | Motorized directionally steerable trailer tongue jack A motorized directionally steerable trailer tongue jack having a height adjustment system, a steering system, a drive system, a mounting plate, and a control system. The height adjustment system includes a power transmission screw. The power transmission screw is se... | 08/24/2004 |
| 6766871 | Attachment means for attaching a wheelchair to a motorized apparatus A powered propulsion apparatus that is attachable to and detachable from, a wide range of conventional wheelchairs without modification of the propulsion apparatus or the wheelchairs. The propulsion apparatus converts a conventional manually powered wheelchair into ... | 07/27/2004 |
| 6729422 | Detachable transmission mechanism for a wheel chair and driving device thereof A detachable transmission mechanism for a wheel chair includes a control unit, two support frames, a suspension frame and a driving device. The channel clamps of the two support frames can be connected to two lower transverse rods of an existing wheel chair and the ... | 05/04/2004 |
