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 |
| 7900382 | Apparatus and method for cutting a pathway A system and method to cut a path in the ground with a path cutter. The path cutter includes a cutting edge to cut a path and loosen earth and a moldboard angled such that any earth loosed by the moldboard and the cutting edge is pushed towards the center of the mol... | 03/08/2011 |
| 7356949 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 04/15/2008 |
| 7287344 | Landscaping apparatus and method A landscaping tool for attachment to a bucket of a landscaping vehicle, the tool generally comprising an elongate plate having two opposite longitudinal working edges and a plurality of integrally formed teeth protruding from each working edge. The elongate plate ha... | 10/30/2007 |
| 7255512 | Trench filling device A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor. ... | 08/14/2007 |
| 7199723 | Cable plow installation monitor method and apparatus The present invention is directed to a method and apparatus for installing a utility conveyance. A tractor which includes sensors, a plow locator and a monitor system is presented. The sensors are used to locate markers, which identify the boundaries of a right of w... | 04/03/2007 |
| 7188680 | Hydraulically adjustable hinged hitch An agricultural implement includes a pivoting assembly, a working assembly, and a tow bar assembly. The working assembly includes a front gang of coulters and a rear gang of coulters. The pivoting assembly includes a hydraulic cylinder. The hydraulic cylinder is adj... | 03/13/2007 |
| 7117953 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 10/10/2006 |
| 7104726 | Trench filling device A device for filling an open trench with the dirt previously removed from the trench lying alongside the trench, using a skid-mounted frame having blades to initially fill the trench and leveling the dirt, followed by a compactor. ... | 09/12/2006 |
| 6962012 | Apparatus for grooming a baseball infield A grooming implement is used for athletic fields, particularly the infield of a ball field. A frame has a tongue on a forward end for attaching to a towing vehicle. The frame has a longitudinal beam and a transverse beam on a rearward end that is supported by a pair... | 11/08/2005 |
| 6957505 | Blade attachment for an all-terrain vehicle A blade attachment for an off-road vehicle such as an ATV is provided. A mounting frame is pivotally connected at its rearward end to the ATV rearwardly of the forward end thereof. A hinge plate is pivotally mounted, about a vertical axis, to the forward end of the ... | 10/25/2005 |
| 6910289 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 06/28/2005 |
| 6882283 | Cable plow installation monitor method and apparatus The present invention is directed to a method and apparatus for installing a utility conveyance. A tractor which includes sensors, a plow locator and a monitor system is presented. The sensors are used to locate demarcation points, which identify the boundaries of a... | 04/19/2005 |
| 6843002 | Blade attachment for an all-terrain vehicle A blade attachment for an off-road vehicle such as an ATV is provided. A mounting frame is pivotally connected at its rearward end to the ATV rearwardly of the forward end thereof. A hinge plate is pivotally mounted, about a vertical axis, to the forward end of the ... | 01/18/2005 |
| 6347670 | Earth moving scraper An apparatus for modifying the earth's surface by removing soil from the surface, moving the soil to a new location and filling low areas. It comprises a frame carried by at least two wheels, a tongue mounted to the frame for attachment to a tractor, a cu... | 02/19/2002 |
| 6173512 | Scarifying machine with re-entering back wheels A scarifying machine for soil removal having a frame supported by a couple of front wheels and a couple of back wheels, a milling drum is in contact with the soil to be removed and supported by a rotating shaft connected to the frame. A motor is supported... | 01/16/2001 |
| 5701693 | Berm clearing attachment for road clearing vehicles A berm clearing attachment for removable securement to a road clearing vehicle, such as a bulldozer, road grader, hi-lift, dump truck, tractor, or skid-steer loader, for side or lateral dozing accumulated dirt and debris off of roads and road berms and aw... | 12/30/1997 |
| 4976052 | Towed, powered, land grader A land grader for grading an unprepared or partially prepared soil surface, as a step in the preparation of a roadbed. The land grader has a frame fixed at a forward end to the tractor and is supported at a rearward end to a plurality of tamping wheels. O... | 12/11/1990 |
| 4837940 | Grader blade height control A height control device for attachment to the end of a grader blade of a motor grader. A gage portion of the device is adjustable for the desired depth of a cut the blade will make with reference to a curb upon which the gage rides.... | 06/13/1989 |
| 4808026 | Construction apparatus with earth trimmer A construction apparatus with a trimmer connected by a three-point suspension wherein each of the three points is independently adjustable for adjusting the angle of the trimmer relative to the main frame in accordance with the desired slope or grade of t... | 02/28/1989 |
| 4802293 | Adjustable earth-moving attachment for a vehicle An earth-moving attachment for use with a vehicle includes a pair of earth-moving blade assemblies mounted on a main beam. The earth-moving blade assemblies are adapted to be independently movable in several planes with respect to each other and with resp... | 02/07/1989 |
| 4696350 | Motor grader with saddle mounted to transverse pin on main frame A saddle construction for use in a motor grader having a fore-and-aft extending main frame comprising an upper portion having a generally longitudinal extending section forming a forward facing and a rear facing. The facings have a generally vertical orie... | 09/29/1987 |
| 4490929 | Grading apparatus and framework therefor Land grading apparatus comprising earth cutting blade mounted on wheeled carrier intended to be towed behind prime mover. Blade is fitted to elongate framework extending transversely of towing direction and comprising elongate blade carrier, two parallel ... | 01/01/1985 |
| 4325580 | Roadway planing apparatus A planer apparatus for cutting a selected upper portion of a roadway surface to coincide with a preselected reference plane, comprising a main frame drivingly supported by a drive assembly, the main frame carrying a planing assembly comprising a rotating ... | 04/20/1982 |
| 4134221 | Earth planer An earth grading machine has a powered reciprocable earth moving element guided by a vertically inclinable track member. Means for adjusting the vertical inclination of the track member includes support means accommodating pivotal movement of the track me... | 01/16/1979 |
| 3992791 | Slope grader with longitudinally movable guide frame An attachment for a jib crane to enable it to be used for grading and carrying out other work on sloping banks has a more or less horizontal auxiliary jib mounted beneath the main jib of the crane, a carriage movable fore and aft along the auxiliary jib, ... | 11/23/1976 |
