Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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 |
| 7997349 | Beach cleaner To make it easier to collect litter which is captured and deposited in a mesh member of a beach cleaner which scrapes up the litter along with sand and captures and deposits the churned up litter and sand in the mesh member. In a second beach cleaner which captures ... | 08/16/2011 |
| 7896094 | Beach cleaner A beach cleaner which scrapes up the litter along with sand and captures and deposits the churned up litter and sand in the mesh member. The beach cleaner 50 includes a frame; keel members, a scraper, and a tow portion that are disposed in a front portion of ... | 03/01/2011 |
| 7841422 | Soil separating systems A towable apparatus adapted for the separation of rock, stones, or debris from topsoil, having a stationary, non-vibrating sifting screen. A hydraulically powered conveyor belt with paddles pushes the soil across the sifting screen. The system provides features to a... | 11/30/2010 |
| 7658233 | Self-propelled transportable rock picker An improved rock picker system includes a prime mover, with an operator's cab and towing apparatus; windrows detachably and foldingly mounted to the prime mover front; a collector; a separator; a transfer apparatus; a dump trailer detachably connectable to the prime... | 02/09/2010 |
| 7322177 | Machine for gathering ground strewn articles A machine for removing articles strewn on a tract of ground generally consisting of a wheel unit; a support frame mounted on the wheel unit, having device for advancing the machine along the tract of ground; an endless conveyor mounted on the support frame, having d... | 01/29/2008 |
| 7284345 | Milling device for floors, rock, excavated material or other material The milling apparatus (1) has a bucket with a receiving chamber and has a milling unit with a milling rotor (14). The receiving chamber has a receiving opening (4) and is embodied as a bucket (2). On the bottom of the bucket (2), a... | 10/23/2007 |
| 7156236 | Machine for removing articles deposited on the ground A machine for removing articles such as debris and the like deposited on a tract of ground, comprising a wheel unit; a support frame mounted on said wheel unit, having means for advancing said machine along said tract of ground; a endless conveyor mounted on said su... | 01/02/2007 |
| 7117951 | Landscape preparation apparatus Apparatus for raking and cleaning topsoil of undesired materials has a frame supporting a scoop and a rake or comb of multiple tines on a shaft that is rotatable about the shaft's longitudinal axis. Rotation of the shaft can then be used to raise or lower the rake i... | 10/10/2006 |
| 7104338 | Sweeper chain support system A sweeper chain support system for allowing efficient removal of debris between a sweeper chain and a digger chain. The sweeper chain support system includes a rear roller supporting a rear portion of a sweeper chain, a pair of rear arms attached to the rear roller ... | 09/12/2006 |
| 7082743 | Land clearing apparatus An apparatus for cutting and clearing brush, trees and land debris includes a housing adapted for mounting to a carrier and a rotor assembly with a predetermined plurality of cutting tools mounted for rotation within the housing and driven by a gearbox and a motor c... | 08/01/2006 |
| 7066275 | Rock separator with beveled tines and removable grates An implement for removing rocks and preparing soil for landscaping or seeding includes a bucket attached to the lift arm of a skidsteer loader by an appropriate hitch mechanism. The bucket includes a frame mounted on the outer end thereof which supports removable an... | 06/27/2006 |
| 7036252 | Actuating coupler for heavy machinery peripheral attachments A locking device to hold an asphalt milling machine on a loader bucket to increase stability and accuracy of the milling machine and increase the speed at which the loader bucket can transition between directing the milling machine and picking up ground asphalt.... | 05/02/2006 |
| 6899185 | Beach cleaner A beach cleaner that is simple in configuration and light in weight and can be manufactured at a low cost. The beach cleaner is easy with regard to maintenance and inspection and can efficiently reclaim various kinds of refuse scattered on a beach. A beach cleaner i... | 05/31/2005 |
| 6718662 | Do-all rake-tooth bucket extension attachment An apparatus for attachment to the bucket of a front end loader, skip loader or any other power-operated bucket. The apparatus comprises a plurality of teeth supported in a frame that attaches to the bucket of a front end loader. The apparatus may be used to sort un... | 04/13/2004 |
| 6634434 | Beach cleaner A beach cleaner for traveling on sandy soil while being towed by a traction vehicle for recovering waste such as empty cans scattered on the sandy soil. The beach cleaner is provided with a travel body. The travel body includes a plurality of longitudinal... | 10/21/2003 |
| 6223828 | Landscape rake with fluid controlled float capability An improved landscape rake including a rotatably operable rake mechanism for performing a raking function, a bucket for receiving material raked by the rake mechanism, and a fluid actuator connected to the rake mechanism operable for moving the rake mecha... | 05/01/2001 |
| 6092606 | Stone gathering apparatus A stone gathering apparatus adaptable for use with a front end loader or the like, useful for picking or gathering stones, rocks, and the like, from the ground surface, comprises (a) a receptacle having a generally horizontally disposed bottom or flooring... | 07/25/2000 |
| 6092607 | Hydraulic ground-cleaning apparatus A ground-cleaning apparatus for separating debris from soil according to the invention includes a paddle assembly, a separation bin, and a hydraulic assembly, each mounted on a chassis having a front frame and a rear frame. The paddle assembly is rotatabl... | 07/25/2000 |
| 6041866 | Rock picker A rock picker having a frame supported by rear support wheels and a tongue that is adapted to be attached to a tractor draw bar. A basket assembly having gathering tines and separation bars is carried by the frame. The gathering tines gather rocks and hol... | 03/28/2000 |
| 5816334 | Apparatus for separating debris from topsoil An apparatus for simultaneously separating debris from topsoil and re-spreading the debris-free soil on the ground. The apparatus consists of a conventional, earth moving tractor to which a chassis is mounted and which carries a plurality of soil treating... | 10/06/1998 |
| 5706899 | Mine extractor apparatus A mine extractor for removing buried mines having a plurality of leaf springs disposed in parallel side by side relationship and mounted on a common support. The extractor further comprises adjacent auxiliary springs and thereby forming additional batteri... | 01/13/1998 |
| 5697451 | Crop cleaner A crop cleaner comprising a generally parallel array of first and second rollers each first roller being scrolled and each second roller generally unscrolled, the first rollers alternating with second rollers with pairs of adjacent rollers being carried o... | 12/16/1997 |
| 5682953 | Device for picking and separating rocks The present invention relates to a device that is mounted on the front of loaders or tractors for picking and separating rocks and other debris from soil admixtures. The device includes a forward dumping bucket which includes a grate at the bottom thereof... | 11/04/1997 |
| 5630476 | Rock raking apparatus A rock raking apparatus which is adapted to be attached to a self-propelled vehicle and includes a rock raking unit with a toothed rotor and a rock collector bucket pivotably connected to the raking unit. The rotor is driven to propel rocks into the bucke... | 05/20/1997 |
| 5564506 | Rock raking apparatus The apparatus is adapted to be attached to a self-propelled vehicle and includes a rock raking unit with a toothed rotor and a rock collector bucket connected to one end of the raking unit by double articulated pivot bars to swing between open and closed ... | 10/15/1996 |
| 5437333 | Adjustable rock collecting implement with guards A rock rake fiber gathering into a row or a gathering area objectional rocks and debris from the ground where a first roller engages such rocks and debris and a deflector forms a gap therebetween through which only un-objectionable rocks and debris may pa... | 08/01/1995 |
| 5329661 | Debris/litter collection apparatus having a conveyor which intermeshes with fingers of collector roller An apparatus for collecting litter from the ground includes a frame adapted for movement along the ground, a hopper mounted at one end of the frame; and a collector assembly supported on the frame. The collector assembly includes a pair of rollers having ... | 07/19/1994 |
| 5310008 | Picker grate for a rock picker A rock picker includes a picker grate having a plurality of picker bars extending in a curved path forwardly and downwardly to a forwardmost end for engaging the rocks and lifting them onto the picker grate. A conventional sweeping reel sweeps the rocks t... | 05/10/1994 |
| 5305834 | Rock gathering tool A rock gathering tool (10) for collecting rocks and stones lying on or loosely embedded in the surface of the ground, comprising a rock collection basket having an opening (19) at its front side, a handle (27) fixedly mounted to the basket and extending f... | 04/26/1994 |
| 5247717 | Debris/litter collecting apparatus An apparatus for collecting litter from the ground includes a frame adapted for movement along the ground, a hopper mounted at one end of the frame; and a collector assembly supported on the frame. The collector assembly includes a pair of rollers having ... | 09/28/1993 |
| 5169276 | Golf ball retrieval apparatus A rectilinear framework includes a plurality of rear wheels mounted to respective right and left axles, with the right axle including a rear axle pulley cooperative with a front pulley and drive belt to effect rotation of paddle wheels to traverse an unde... | 12/08/1992 |
| 5141058 | Rock picking machine An improvement in a rock picking machine having a frame with ground wheels supporting the frame, a table with a grate over which rocks are moved and discharged into a bucket rearwardly pivotally mounted on the frame, and a conveyer forwardly pivotally mou... | 08/25/1992 |
| 5133413 | Beach cleaning apparatus An apparatus for picking litter off sandy beaches with minimal sifting of sand. A rotary drum, with unique rigid protrusions and non-rigid projections, is independently powered to roll in the opposite direction as the moving apparatus. The protrusions on ... | 07/28/1992 |
| 5060732 | Cylinder-type ground-raking attachment for a bucket-equipped tractor A ground raking attachment for bucket-equipped tractor includes a toothed, cylindrical rotor which works the soil and at the same time rakes the ground free of rocks, refuse, roots, sticks and other debris which is transferred to the tractor bucket by the... | 10/29/1991 |
| 4905767 | Rock picking device A device for picking rocks from a field includes a frame which is mounted on a pair of wheels. A hitch is pivotally attached to the frame and is adapted for engagement with a conventional tractor. The offset of the hitch is adjusted by a hydraulic cylinde... | 03/06/1990 |
| 4609049 | Rotary wheel type rock picker A wheel mounted pull type chassis includes a side hitch bar for securement to a tractor or the like. A reel assembly is journalled for rotation and is situated transversely at the front of the chassis and picks up rocks, stones, dirt, etc. and deposits sa... | 09/02/1986 |
| 4603544 | Litter retrieving machine An apparatus for collecting litter from roadways and grounds includes a ground engageable rotating drum with easily removable and replaceable fingers which slip in and out of channels mounted on the drum. A spring finger assembly rotates against the drum ... | 08/05/1986 |
| 4593426 | Litter collection apparatus A litter collection apparatus includes a novel arrangement for mounting litter retrieving projections on a retrieving belt of the apparatus, an improved receptacle and mechanism for emptying the receptacle, a novel arrangement for adjustably positioning t... | 06/10/1986 |
| 4593766 | Strafing pit conditioning apparatus with magnetic sweeper A crawler tractor with a dozer blade and fitted with accessories to loosen the ground in the strafing pit area of an Air Force gunnery range and simultaneously remove from the ground rocks the size of a man's fist and larger and spent projectiles. The tra... | 06/10/1986 |
| 4550465 | Apparatus for collecting litter and objects from a ground surface An apparatus for picking up surface litter on the ground includes a movable main frame towed by a lightweight vehicle. A roller carriage pivotally attached to the main frame supports identical front and rear oppositely rotating tandem rollers each having ... | 11/05/1985 |
