Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7384213 | Apparatus and method for constructing a curvilinear structure in an excavation A slit trench-excavating plough has an elongate frame supporting components of the plough, a number of side wall-supporters movable longitudinally, about and laterally relative to the frame, a number of wedge-shaped cutters pivoted laterally relative to the supporte... | 06/10/2008 |
| 7270160 | Debris collecting device A debris collecting device is disclosed. An illustrative embodiment of the debris collecting device includes a winding frame having a rotatable panel shaft, a collection panel attached to the panel shaft and a collection receptacle carried by the collection panel. | 09/18/2007 |
| 7089693 | Dredging method and apparatus An improved hydraulic dredging apparatus for removing a sediment layer from an underlying substrate lying below a water surface includes a receptacle having an open-front portion through which is sediment is collected, means for attaching the dredging apparatus to t... | 08/15/2006 |
| 6969049 | Device for mounting on a vehicle for hoisting and transporting a big-game carcass A vehicle-mounted device for hoisting and transporting big game such as deer, and more particularly a device for mounting on an all-terrain vehicle such as a quad, is disclosed. The device includes two or more spaced-apart lift lines for encircling the trunk of a bi... | 11/29/2005 |
| 6953006 | System and method for clam farming A system and method for clam farming includes a supply ship coupled to a clam planter via a supply tube bundle having a plurality of individual tubes. The supply ship has a separation station configured for introducing individual clams into the individual supply tub... | 10/11/2005 |
| 6920744 | Apparatus and method for cutting and harvesting infestations of aquatic vegetation and/or skimming algae/floating vegetation A harvester and method for harvesting aquatic algae or floating vegetation in shallow areas of water bodies, such as lakes is described. The harvester is manually operated. The harvester moves on hollow wheels that are capable of adjusting the buoyancy of the harves... | 07/26/2005 |
| 5638620 | Dredging vessel, dredging assembly and method of dredging The present invention discloses a dredging assembly which includes a vessel having at least one opening therein. A dredging pole of a predetermined length is positioned in and extends through the opening and is positioned substantially perpendicular to th... | 06/17/1997 |
| 5515624 | Excavating hoe or bucket An excavating hoe or bucket includes a hoe or bucket body which is movable across an excavation area, and a structure for providing the hoe body or bucket body with a variable load capacity. The variable load capacity may be provided by a network of flexi... | 05/14/1996 |
| 5450713 | Aquatic weed trap A device for removing undesirable aquatic vegetation from lake bottoms. The device includes a weed trap and an elongated handle pivotally mounted thereto. The trap is formed of mesh, screen, etc. and includes at least one flat side and an open top. A cutt... | 09/19/1995 |
| 5074105 | Lake rake and methods An articulated-boom hoist is attachable to a motorized vehicle and structured to transfer an aquatic rake and rake float between a carrier and a body of water to be cleaned of aquatic plants. The aquatic rake is placed on the rake float. The rake float on... | 12/24/1991 |
| 5027533 | Vibratory shellfish harvesters and methods Shellfish harvesting devices including a frame to move over the submarine surface of a shellfish growing substrate and a plurality of tines extending down from it for penetration into the substrate, are improved by addition of a vibrator to impart a vibra... | 07/02/1991 |
| 5024009 | Apparatus and method for collecting shellfish and the like A new scallop net is disclosed that uses a lightweight frame that is fitted with a dive plate that produces a downward force on the frame and ensures that the frame remains on the bottom. Instead of a heavy metal basket, the device includes a standard ske... | 06/18/1991 |
| 4992020 | Front loader lifting attachment A lifting attachment for securing to lifting arms of a front end loader has a pair of attachment brackets pivotally connected to the lifting arms, A vertical I-shaped solid plate rear wall carries the attachment brackets in a fixed relationship thereto. A... | 02/12/1991 |
| 4827635 | Bivalve mollusk dredge A bivalve mollusk collecting device resting on two runners with guides to allow upward movement of the collection device with springs to maintain a downward pressure on the collection device as it is dragged through the sand to collect the mollusks. The d... | 05/09/1989 |
| 4828690 | Hand tool for sifting debris from sand and soil A hand tool having a tapered wedge head, an entrapment mesh supported by a carriage structure and cantilevered from the wedge head, and a handle adjustably coupled to the carriage structure. The tapered wedge head ramps materials, such as sand and soil, i... | 05/09/1989 |
| 4813377 | Aquaculture harvester for shallow water use As the harvester is propelled forward through a body of shallow water, the water moves over the bottom of the harvester in roughly laminar flow (depth can be up to top of sides) and contacts apex of the vee gutter, and is deflected outward causing an incr... | 03/21/1989 |
| 4696149 | Aquatic weed control method and apparatus Unwanted aquatic weeds are removed by first dragging the bottom of a lake with a horizontal bar to loosen the weeds from the bottom. The uprooted and broken weed stalks are permitted to float to the surface of the lake. The weeds are scooped from the wate... | 09/29/1987 |
| 4646448 | Oyster dredging apparatus An apparatus for dredging bottom dwelling seafood such as oysters is comprised of a collecting basket pivotally carried by a frame, the basket having a pair of parallel arms rigidly fixed thereto. A pair of upright standards are mounted adjacent the edge ... | 03/03/1987 |
| 4446637 | Chafing gear for fishing drag This invention is directed at chafing gear for a fishing drag. The drag has a bottom portion comprising metal rings loosely connected by metal links. The chafing gear comprises rubber disks, each of which have a central aperture through which a metal link... | 05/08/1984 |
| 4425723 | Clam dredge A shellfish dredge includes a pair of longitudinally extending parallel and spaced apart runners having a collecting bag mounted adjacent the rear thereof. The runners support a frame comprising a pair of longitudinally extending spaced apart skids and at... | 01/17/1984 |
| 4349972 | Shellfish dredge chafing gear A device for protecting shellfish dredge chain bags, featuring arcuate strips of reinforced rubber adapted to be attached to trail beneath the bottom side of the bag to cushion and separate the bag from abrasive action against the ocean floor when it beco... | 09/21/1982 |
| 4328629 | Shellfish dredge chafing gear A device for protecting shellfish dredge chain bags, featuring arcuate strips of reinforced rubber attached to the bottom side of the bag to cushion and separate the bag from abrasive action against the ocean floor when it becomes weighted with rocks and ... | 05/11/1982 |
| 4276710 | Aquaculture pond and harvester A device for harvesting shrimp, prawn, and other aquaculture from man-made ponds. The device includes an elongated truss which is maintained at each end thereof by a carriage. Depending from the truss are a plurality of support arms maintaining at the end... | 07/07/1981 |
| 4216595 | Method of collecting shellfish A method of collecting shellfish using a device riding on the bottom of the water and towed by a boat. The device has a number of obliquely extending tines and a net bag at the back of the tines for collecting shellfish which ride up onto the tines. The d... | 08/12/1980 |
| 4209920 | Oyster dredging apparatus Apparatus for mounting on the deck of a vessel which is useful for dredging oysters or other marine animals from water bottoms which is comprised generally of the combination of (a) a dredge, (b) a tilt-frame with which the dredge is intimately associated... | 07/01/1980 |
| 4190279 | Clam rake A clam rake employing side skids having raking teeth extending downward therefore preventing clams from escaping from the basket through the sand.... | 02/26/1980 |
| 4137693 | Rake device for removing weeds from lakes A portable frame adapted to be mounted on a beach adjacent a lake. The portable frame has a reversible motor and a pair of drive wheels driven by the motor. A rake is provided with an elongated handle. The drive wheels of the frame are adapted to engage t... | 02/06/1979 |
| 4112602 | Apparatus for collecting shellfish and the like An apparatus for collecting shellfish and the like at the bottom of a body of water comprising a rake having a number of inclined tines or teeth adapted to scrape the bed of the body of water, sliding boxes or runners for holding the tines at a substantia... | 09/12/1978 |
| 4028821 | Apparatus for dredging from the stern of marine vessels A dredge for operation from the stern of marine vessels and of the type having runners which enable it to be moved along a ramp at the stern of a marine vessel is provided with structure for preventing its twisting and misalignment of the dredge as it pas... | 06/14/1977 |
