Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7946643 | Tonneau cover A tonneu cover assembly mountable to a open top truck bed of a pick up truck for covering the bed. The cover assembly includes a pair of side rail caps that are attachable to the side rails of the bed by a clamping system. A pair of door panels are hingedly mounted ... | 05/24/2011 |
| 7669911 | Tarping system for truck mounted containers A tarping system for removably covering the open top of a container resting on a platform of a truck frame, or directly on the truck frame, includes a cover support structure extending upwardly from the pivoted platform, a tarping frame displaceably secured to the c... | 03/02/2010 |
| 7530621 | Pick-up truck bed cover A bed cover assembly is provided for a vehicle, including a frame having a pair of side rails and a center rail. The pair of side rails is releasably mountable to the bed of the vehicle without leaving permanent holes in the vehicle. A pair of covers is pivotally co... | 05/12/2009 |
| 7422265 | Upper cover support structure for an automobile rear loading platform A support structure for an upper cover of an automobile rear loading platform, which is installed on two sides between a rear end portion of an automobile rear loading platform and an upper cover of the rear loading platform, wherein a base mount is fixed to a botto... | 09/09/2008 |
| 7419201 | Roof-raising/lowering mechanism for a-frame style folding trailers and method for using the same In accordance with one embodiment, a roof-raising/lowering mechanism for an A-frame style folding trailer comprises a mechanical lever arm assembly. The lever arm assembly is coupled to the rear roof section, which underlies the front roof section when such sections... | 09/02/2008 |
| 7404586 | Retractable roof for a truck topper A truck topper having a pair of sidewalls in parallel spaced relation and adapted to be mounted to the bed of a truck at one end and having grooves at an opposite end. The grooves receive a retractable roof such that when attached to a retraction assembly the roof w... | 07/29/2008 |
| 7384089 | Vehicle bed covering system A vehicle bed covering system for covering a cargo bed of a vehicle and allow adjustment of the location of the cover includes a pair of panels being pivotally coupled to the cargo bed of the vehicle. Each of the panels is pivotal over the cargo bed to cover the car... | 06/10/2008 |
| 7354089 | Tonneau cover A tonneau cover assembly for a truck having a bed and a pair of upstanding sidewalls generally includes a panel having a perimeter conforming to a perimeter of the bed and a mechanism for enabling movement of the panel between the first position abutting the bed and... | 04/08/2008 |
| 7320494 | Hardware to facilitate storing pickup bed cover Attachment hardware is provided to enable a folding bed cover for a pickup truck to be stored on the bed in a substantially vertical position giving access to substantially the entire bed. This hardware includes a latch to secure the lower end against sliding while ... | 01/22/2008 |
| 7316445 | Attachment structure for tonneau cover for pickup truck An attachment structure for a tonneau cover, formed in an approximately tabular shape, for a pickup truck with a bed extending from a rear end of a vehicle to a rear pillar portion, comprises a bed rail as an elongated support member on which the tonneau cover for t... | 01/08/2008 |
| 7281744 | Convertible pickup canopy A convertible pickup canopy is disclosed, the canopy having left and right sidewalls hingedly coupled with a frame member. The frame member is coupled with rails of the bed of a pickup truck, and allow the sidewalls and a rear door to expand to support a top cover, ... | 10/16/2007 |
| 7275779 | Canopy lift system A mechanical lift system for a truck topper comprising a power lift arm and securing one side of the truck topper to the upper side of the truck bed by a continuous hinge or a series of two or more hinges allowing the truck topper to open 90 degrees and close the tr... | 10/02/2007 |
| 7264296 | Feed truck compartment lid control system A feed truck compartment lid control system. The system includes coupled feed compartment lids on an upper surface of a feed truck trailer and includes cylinders in proximity of the lids such that the cylinders require much less force and power, and thus much less a... | 09/04/2007 |
| 7264297 | Tonneau cover hinge A hinge system is used to adjust a cover member between a closed position where the cover member covers at least a portion of a vehicle bed and an open position where the cover member does not cover the vehicle bed. The hinge system may include first and second arms... | 09/04/2007 |
| 7222908 | Automotive open air system An open air system can be utilized on a vehicle with a liftgate configuration. The open air system does not interfere or hinder operation of the liftgate between the open and closed positions. The open air system can include one or more roof panels that are moveable... | 05/29/2007 |
| 7197790 | Hinge including a gas strut A hinge which includes a gas strut. The hinge in one embodiment further includes a first control arm and a second control arm which is coupled to the first control arm. The gas strut in this one embodiment is coupled to both first and second control arms. ... | 04/03/2007 |
| 7147264 | Cover system for a transfer trailer A cover system (10) for an open-topped container, such as a transfer trailer (T), includes a cover (11) carried by a support frame (13) pivotably mounted to the container. The support frame includes a triangular construct (20) at the oppo... | 12/12/2006 |
| 7131684 | Vehicle bed cover A multi-panel elevated vehicle bed cover which provides access to the entire vehicle bed, provides additional storage space in the vehicle bed, and is customizable for different lengths, widths, and vehicles. For ease of installation and removal, the panels may be r... | 11/07/2006 |
| 7125068 | Transfer trailer A transfer trailer includes a floor, a top covering, and at least a pair of walls. At least one of the pair of walls and the top covering are movable relative to the floor between closed and opened positions. In the opened positions, the trailer provides an opening ... | 10/24/2006 |
| 7111891 | Tarp covering system A tarp covering system for an open top container of a vehicle includes a pair arms assemblies stowed beneath the base of the container during travel and extendable and pivotal in a semi circular path for covering and uncovering the container. ... | 09/26/2006 |
| 7101280 | Grain tank cover for an agricultural harvester A grain tank for an agricultural harvester has an extension assembly to enable the volume of the tank to be increased. The extension assembly comprises two pairs of mutually opposed panels that are movable relative to the tank between a lowered position in which the... | 09/05/2006 |
| 7093882 | Load bed lift-roof cover An attaching system for a lift-roof cover pivoting substantially about a fixed forward wall upper edge via application of rear hatch technology of the prior art for conventional cab high covers together with attachment means in the form of linkages. The attaching sy... | 08/22/2006 |
| 7052071 | Cover and latch for vehicle cargo bed with tailgate A latching and locking system for a cover for the cargo bed of a vehicle having a tailgate. The system includes a cover latch, a first manual operator for releasing the cover latch, and a second automatic operator for automatically releasing the cover latch if the t... | 05/30/2006 |
| 7037034 | Safety door system and method for a hopper body Accordingly there is disclosed a safety door system, comprising a hopper body containing a powered implement powered by a hydraulic control system, for dispensing liquid or granular materials or for agitating the liquid or granular materials; a safety door for cover... | 05/02/2006 |
| 7021693 | Pickup bed cover A cover for the bed of a pickup truck provides a front rigid panel fastened to the front wall of the pickup bed, at least one intermediate rigid panel attached to the front rigid panel by a first transverse hinge, and a rear rigid panel attached to the intermediate ... | 04/04/2006 |
| 7018290 | Grain tank cover for an agricultural harvester A grain tank of an agricultural harvester having a top formed with an opening is provided. A cover overlies the opening, and a lifting mechanism is provided for raising the cover to an elevated position. Side panels extend between the cover and the top of the grain ... | 03/28/2006 |
| 6983975 | Cover system for a transfer trailer A cover system for an open-topped container, such as a transfer trailer, includes a cover carried by a support frame pivotably mounted to the container. The support frame includes a triangular construct at the opposite ends of the container to improve the rigidity o... | 01/10/2006 |
| 6951363 | Power tonneau cover actuator The present invention provides a power assisted cover actuator for operating a tonneau cover for an open bed of a truck, such as a pickup truck. The cover is hingably coupled to a distal end of the truck bed adjacent the truck cab. The power assisted cover actuator ... | 10/04/2005 |
| 6938960 | Top-loading container and cover assembly for collecting, storing, handling, and transporting bulk materials A top-loading container for collecting, storing, and transporting bulk material comprises a sidewall defining a load-carrying receptacle and includes an upwardly facing top peripheral edge section having an open top. A cover portion is mounted to freely move indepen... | 09/06/2005 |
| 6916058 | Lifting apparatus A lifting apparatus for lifting and lowering a component of an automobile body that is hingedly and releasably attached to the automobile body at first and second attachment points. The lifting apparatus includes an extension member having first and second ends that... | 07/12/2005 |
| 6913303 | Mounting system for a motor vehicle A mounting system for a motor vehicle which is connected force-transferringly to at least one vehicle-fixed retaining device by means of at least one locking device. The at least one locking device has at least two locks. ... | 07/05/2005 |
| 6899372 | Pickup bed cover A cover for the bed of a pickup truck provides a front rigid panel fastened to the front wall of the pickup bed, at least one intermediate rigid panel attached to the front rigid panel by a first transverse hinge, and a rear rigid panel attached to the intermediate ... | 05/31/2005 |
| 6848735 | Stepwell cover apparatus A stepwell cover apparatus for use in a vehicle having a stepwell including a step that is located below the floor of the vehicle. The apparatus includes a horizontal cover that may be retracted to a position below the floor in order to expose the steps of the stepw... | 02/01/2005 |
| 6830281 | Power tonneau cover actuator The present invention provides a power assisted cover actuator for operating a tonneau cover for an open bed of a truck, such as a pickup truck. The cover is hingably coupled to a distal end of the truck bed adjacent the truck cab. The power assisted cover actuator ... | 12/14/2004 |
| 6796263 | Watercraft cover and trailer system The present invention provides systems and methods for a watercraft cover and trailer. In accordance with an exemplary embodiment of the present invention, the watercraft cover includes a top cover and a bottom cover, which mate to enclose a watercraft. The top and ... | 09/28/2004 |
| 6749249 | Pickup truck cap lift system The present invention includes an electrically driven screw lift device for pivotally lifting a pickup truck cap or camper shell 14. As used, a standard camper shell 14 is mounted to the bed 16 of a pickup truck 12 and the shell 14 | 06/15/2004 |
| 6702360 | Tonneau cover mounting mechanism A hard tonneau cover includes a hinging mechanism that relies on a compound hinge to control the position of the front of the cover yet allows the cover to be easily removed from the cargo bed. The compound hinge includes a hinge plate that is slidingly r... | 03/09/2004 |
| 6666490 | Pickup bed cover A truck bed cover which utilizes two legs which are swivelly mounted to the bed of the truck. In an open position, the cover is raised and extends over the rear tail-gate of the bed; in a closed position, the cover encloses the bed and is secured to the b... | 12/23/2003 |
| 6663167 | Collapsible shelter/camper/storage unit with a suspended floor A shelter/camper/tent assembly for use in a truck bed. The assembly includes a shell and a floor, each being independently and pivotally coupled to the front of the truck bed. A support structure spans between the sidewalls of the truck and operates to su... | 12/16/2003 |
| 6663160 | Cargo bed cover A cargo bed cover is provided for enclosing the cargo bed of a vehicle. A generally planar outer frame is mounted to the cargo bed, and two generally planar inner frames are connected with hinges to the outer frame for pivoting relative to the outer frame... | 12/16/2003 |
