In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 7153081 | Self-propelled carriage An article transfer method using a self-propelled carriage capable of supporting an article and travelling along a fixed path is provided in which an article supporting body forming a final operating section is turned without performing lateral movement and with mak... | 12/26/2006 |
| 6799933 | Freight load pallet carrier and method for distributing freight load pallets A freight load carrier for transporting freight load pallets is provided. The freight load carrier has a rectangular carrier base with a longitudinal axis having a top face, bottom face, first and second ends and first and second side rails wherein the top face is c... | 10/05/2004 |
| 6543986 | Apparatus with upper displacement member for handling articles The present invention discloses either an apparatus that is adapted for selective mounting to and demounting from a pallet jack for use therewith or a transport vehicle having an apparatus permanently mounted thereto, which can effectively and efficiently... | 04/08/2003 |
| 6357578 | Trailer floor cleaning system A system for cleaning the floor of a self-unloading trailer of residual particulate material comprises in combination with moving slats of a typical self-unloading trailer three rails each fashioned to be attached to the top of a slat, and a wedge-shaped ... | 03/19/2002 |
| 6186728 | Lift truck A lift truck for use with containers of the type used as a shipping bin and display bin, the lift truck having a lower frame mounted on wheels, an upper frame, a plurality of linking arms extending between the lower frame and upper frame with each of the ... | 02/13/2001 |
| 6116838 | Mechanical hay distributor An improved hay distributor is provided that distributes large rectangular hay bales or flakes of hay, operating on a conveyor principle wherein the bales are slowly advanced from the bed of the vehicle to its edge as the vehicle is driven, whereupon by m... | 09/12/2000 |
| 6086313 | Dual pull open bottom portable pickup truck trailer unloader system The Dual Pull Open Bottom Portable Pickup Truck Trailer Unloader System is an unloader device that facilitates the easy removal of material from trucks and trailers by the means of hand power or electric or hydraulic motor drive. The open bottom permits t... | 07/11/2000 |
| 6079933 | Hydraulic circuit for an ejector type dump mechanism for articulated trucks and the like A material eject system includes an ejector mounted to a bed of a vehicle which is movable between a rear end and a forward end of the bed for ejecting material from the bed. The ejector is powered by a cylinder having different fluid volumes depending on... | 06/27/2000 |
| 5997233 | Mechanical hay distributor A hay distributor is provided that distributes large rectangular hay bales or flakes of hay, operating on a conveyor principle wherein the bales are slowly advanced from the bed of the vehicle to its edge as the vehicle is driven, whereupon by mechanical ... | 12/07/1999 |
| 5944472 | Motor driven trailer unloader A motorized unloading apparatus for unloading cargo from a container such as a trailer or the cargo container of a large truck. The apparatus of the invention includes two threaded rods which extend substantially the full length of the cargo container, a ... | 08/31/1999 |
| 5584524 | Liner for truck bed A liner for the loading and unloading of objects for use with a rear-opening truck bed. In use, the liner lies flat and occupies virtually the entire surface area of the truck bed. The liner can be gripped and pulled towards the rear opening of the truck ... | 12/17/1996 |
| 5501567 | Refuse vehicles This invention pertains to a combined refuse vehicle and refuse side loaded and recycling curbside collector vehicle. Recycled materials may be placed either in (i) a hopper which is elevated and tilted to discharge into the upper, open end of a recycling... | 03/26/1996 |
| 5441377 | Self unloading hay hauling apparatus An apparatus, or trailer, for use in transporting large bales of hay in which the bales are loaded onto two rails from the rear of the trailer and slid forward. Upon unloading, the bales are pushed backward off the trailer as the trailer is pulled forward... | 08/15/1995 |
| 5359753 | Method and apparatus for placing fiber bales in readiness for fiber tuft removal therefrom An apparatus for placing fiber bales in readiness for removing fiber tufts therefrom by a travelling bale opener having an operational range, includes a first arrangement for supporting thereon a plurality of consecutively positioned fiber bales forming a... | 11/01/1994 |
| 5314290 | Cargo carrying vehicle having a movable bulkhead located therein A cargo carrying vehicle including a body; one or more movable support surfaces mounted on the internal floor of the body for movement relative thereto; drive apparatus for moving each one of the one or more movable support surfaces back and forth between... | 05/24/1994 |
| 5290140 | Cart for dies with pneumatic and hydraulic powered devices A cart for transporting and moving die sets having an air powered/hydraulic fluid drive system to move the cart and die sets thereon. A hydraulic pump is driven by an air pressure powered motor and different hydraulic motors move the cart and move the die... | 03/01/1994 |
| 5273390 | Truck bed insert having power unloading blade A truck bed insert having a powered unloading blade, the insert adapted to be carried on a truck bed, the insert comprising a floor, a tunnel member, upwardly extending sides joined to said floor sides, the front end comprising a blade upwardly extending ... | 12/28/1993 |
| 5156518 | Truck bed unloading device An unloading device having a frame transversely supportable on a pair of spaced side walls of a truck bed is longitudinally movable from the front to the rear of the truck bed. A plurality of wheels secured to the frame and engagable with the side walls f... | 10/20/1992 |
| 4821868 | Drive/frame assembly for a reciprocating floor Piston rods (60, 62) of three linear hydraulic motors (36, 38, 40) are connected at their outer ends (64, 68) to two spaced apart transverse frame members (10, 12). A cylinder housing (72) is driven back and forth along each pair of piston rods (60, 62). ... | 04/18/1989 |
| 4669942 | Device for supplying packages to warper creels The present invention resides in a device comprising a package stock truck moved in the row direction of warper creels, a package feeding conveyor for feeding yarn supply packages to the position of the stock truck, a first package transfer mechanism for ... | 06/02/1987 |
| 4611708 | Reciprocating channel floor conveyor A plurality of floor members (40, 58, 106) are supported on guide beams (16, 18, 60, 102). The guide beams (16, 18, 60, 102) are spaced apart such that the floor members (40, 58, 106) have spaces between their side portions. The guide beams (16, 18, 60, 1... | 09/16/1986 |
| 4601631 | Unloading system for street sweeper A motorized vehicular vacuum street sweeper (2) has a hopper (12) for receiving suctioned debris and includes unloading devices (36) provided by a flexible sheet-like wrapper (38) in the hopper forming a receptacle cavity (76). The wrapper is flexed by ac... | 07/22/1986 |
| 4453879 | Anti-jam blade assembly for refuse compactor An anti-jam blade assembly is provided on a packer-ejector blade of a refuse vehicle. The packer-ejector blade comprises a superstructure to which there is attached a downwardly inclined face. The superstructure and downwardly inclined face are reciprocat... | 06/12/1984 |
| 4431360 | Container for the loading and transporting of goods A container body for highway trailers, ships or aircraft, for loading and transporting goods provides a conveyor belt on the floor of the body with a vertical partition that is movable with the conveyor as the goods are loaded into, or removed from the bo... | 02/14/1984 |
| 4309141 | Refuse-extruder-and-compactor apparatus An improved refuse-extruder-and-compactor apparatus adapted for general use in the transporting and transferring of solid-waste materials in combination with a refuse-transport vehicle, the apparatus being positioned within the storage container of the ve... | 01/05/1982 |
| 4273497 | Refuse storage and discharge apparatus Rear discharge refuse collecting vehicle has a refuse container packed, for example, by a hydraulic packer mechanism in a pivotally mounted tailgate. A refuse pushing member is mounted for sliding movement by an inclined hydraulic refuse pushing ram to pu... | 06/16/1981 |
| 4089435 | Transportation equipment A trailer and a demountable container for transporting loose products or refuse is disclosed herein. The container has an internal ejector slidable over its entire length for ejecting the contents therein. The trailer has mounted on its bed a centering re... | 05/16/1978 |
| 4083469 | Brake cooling circuit A brake cooling circuit which includes a pump for circulating cooling fluid to the brakes in a scraper portion of a tractor scraper combination is driven by a motor powered by hydraulic fluid communicated through conduits leading to one of the implements ... | 04/11/1978 |
| 4067466 | Refuse ejection door In a refuse compaction/ejection system, an improved ejection door having a lower hinged member which reduces the degree of door extension required to obtain an effective open discharge path and a catch-lock means for guiding and retaining the hinged membe... | 01/10/1978 |
| 4020958 | Bulk material container loading and system A bulk materials handling system comprises: A. a housing forming a zone to receive an upwardly open container adapted to be moved into position in the housing to be filled with said material and thereafter to be removed from the housing for transport, B. mater... | 05/03/1977 |
| 4008818 | Haystacking and reloading tailgate apparatus A fork-like array of arms is located at an end of a haystack wagon which will function to hold, to pick up or to release a haystack onto or from a haystack wagon. The arms may be rigidly held in place, or may swing to various positions depending upon the ... | 02/22/1977 |
| 3939996 | Tree harvesting apparatus An improved tree harvesting method is performed by a machine which includes a pair of booms mounted on a vehicle. A clamp assembly is mounted on a first boom for gripping a standing tree which is then severed close to the ground by a shear assembly which ... | 02/24/1976 |