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| Number | Title | Issue Date |
| 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 |
| 7017677 | Coarse carbide substrate cutting elements and method of forming the same Cutting elements having coarse grain substrates and ultra hard material layers are provided. The substrates are formed from coarse grain size particles of tungsten carbide. A method of forming such cutting elements and a drag bit incorporating such cutting elements ... | 03/28/2006 |
| 6922924 | Plow cutting edge A plow moldboard cutting edge includes a cutting edge blade having a front (leading) face and a rear (trailing) face, with one or more receiving apertures defined therebetween. An elastic bushing is then provided in each of the receiving apertures of the cutting edg... | 08/02/2005 |
| 6892824 | Method and apparatus for picking up seaweed and other litter Seaweed is picked up from the surface of a beach with general purpose earth moving machinery by installing a series of fingers extending forwardly and downwardly from the blade or bucket of the machine. By driving the machine forwardly along the beach, the fingers p... | 05/17/2005 |
| 6865829 | Bucket tooth A bucket tooth capable of preventing a bolt from being loosened during operation is provided. In order to allow the bucket tooth to generate a resilient return force after attachment, a warp is caused by resilient deformation so that a face on the bucket lip side be... | 03/15/2005 |
| 6799385 | Abrasion resistant earth working surface and weld stud An abrasion resistant metal earth working surface having a plurality of spaced hollow open ended cup-shaped abrasion resistant studs welded to the surface which collect particulate material in the hollow open ends of the weld studs, wherein the particulate material ... | 10/05/2004 |
| 6647648 | Method of manufacturing a bucket tooth A bucket tooth capable of preventing a bolt from being loosened during operation is provided. In order to allow the bucket tooth to generate a resilient return force after attachment, a warp is caused by resilient deformation so that a face on the bucket ... | 11/18/2003 |
| 6571493 | Cutting edge A cutting edge which has improved resistance to scratching wear, such resistance being required for cutting edges for snow removal, which has good performance to increase e.g., compressed snow rate, and which can be manufactured at comparatively low cost.... | 06/03/2003 |
| 6401834 | Earth working tool assembly An earth working tool assembly of the type including a tool shank terminating in a foot and an earth working tool or point which has a socket for engagement by the shank foot. A bridging member extends between the shank foot and point, the bridging member... | 06/11/2002 |
| 5921324 | Device for clearing and seeding range land The invention comprises an apparatus for clearing range land of sagebrush an other invading non-grazing plant species. The device is adapted to be towed by a tractor, and has a pair of blades arranged in a "V" configuration, with the point of the "V" faci... | 07/13/1999 |
| 5881480 | Carbide embedded grader blade A high wear-resistant grader blade which combines two high wear-resistant elements in the lower end of the blade. First, high wear-resistant particles are embedded into the front leading edge of the blade. More particularly, the leading edge of the blade ... | 03/16/1999 |
| 5813474 | Plow blade The plow blade comprising support member, a blade edge being mounted to the support member and having one or more insert holes, and one or more blade inserts having a wear portion, the one or more blade inserts being mounted within the one or more insert ... | 09/29/1998 |
| 5778572 | Wear resistant cutting edge and method for making same An elongated steel cutting edge has an insert receiving slot formed therein extending from one end to the other. A plurality of carbide inserts of a generally rectangular solid configuration have a front face, a rear face and four sides. A plurality of up... | 07/14/1998 |
| 5775013 | Excavation bucket grading attachment A grading attachment for releasable attachment to an excavation bucket includes a generally V-shaped blade body portion and a blade/bucket attachment assembly, together defining a blade lateral axis and an equipment longitudinal axis. The attachment assem... | 07/07/1998 |
| 5743032 | Plough blade arrangement The object of the invention is a plough blade arrangement, advantageously in a snow-plough, which plough (1) is intended to be attached to a vehicle, advantageously a tractor or lorry. The plough blade arrangement includes a frame (2) consisting of a flat... | 04/28/1998 |
| 5697308 | Seed boot having a wear resistant insert A seed boot for use with a furrow forming disk of a grain drill for depositing seed within a furrow. The seed boot includes a housing having an inner side, an outer side and a furrow firming edge. The furrow firming edge extends between a lower edge of th... | 12/16/1997 |
| 5669450 | Quick mount front end scarifier An attachment is disclosed for mounting to the front end of a road construction vehicle having a four bar linkage and an hydraulic actuator. A scarifier attachment includes first and second moldboards arranged in a chevron shape, when viewed from above, w... | 09/23/1997 |
| 5596825 | Excavation bucket grading attachment A grading attachment for releasable attachment to an excavation bucket includes a generally V-shaped blade body portion and a blade/bucket attachment assembly, together defining a blade lateral axis and an equipment longitudinal axis attachment assembly p... | 01/28/1997 |
| 5427186 | Method for forming wear surfaces and the resulting part A method for forming a blade adapted to be attached to an earthworking vehicle and the resultant wear resistant blade has a wear surface assembly which includes a carbide insert sandwiched between a steel plate and a composite material within a pocket on ... | 06/27/1995 |
| 5396963 | Blades for earth moving machines A cutting-edge member for scraper blades having interlocking engagement with adjacent members, each cutting edge member being adjustable and reversible in a position relative to the other members. The interlocking engagement is achieved by the use of non-... | 03/14/1995 |
| 5343959 | Dozer blade, face plate, and edge plate arrangement A dozer blade has (a) a face plate with an exterior surface, (b) an edge plate having a front surface, and (c) a replaceable cutting portion having a front surface and a thickness. The method includes the steps of forming the face plate to include a curve... | 09/06/1994 |
| 5224555 | Wear element for a scraping operation A wear insert for protecting a working element operating in an abrasive environment comprises a pair of spaced apart legs which define a gap for receiving a mounting flange of the protected working element. The wear element wraps around the mounting flang... | 07/06/1993 |
| 5077918 | Cutting edge assembly for an implement Cutting edge assemblies are normally utilized on the leading edge of implements to protect the leading edge of the implement from wear. In order to have a readily removable cutting edge assembly that can be replaced in the field, it is necessary to provid... | 01/07/1992 |
| 4883129 | Bit assembly utilizing carbide insert Ground engaging bits used in abrasive road grading applications utilizing carbide inserts brazed to the leading face of the steel tip are beneficial on motor grader blades. Commercial road grading bit assemblies used consistent thickness, rectangular carb... | 11/28/1989 |
| 4821808 | Resonantly driven earth moving blade An improved version of applicant's prior bulldozer mold board assemblies is disclosed. Such prior assemblies include a mold board, a reciprocating cutter blade along the lower edge of the mold board, and a resonant beam mounted aft of the mold board. The ... | 04/18/1989 |
| 4778011 | Sod undercutting knife An undercutting knife for a sod cutting machine consisting of a blade and a blade holder of essentially equal length. The blade is enclosed by the holder except for the projecting forward edge. The blade is light in weight, may have two cutting edges, and... | 10/18/1988 |
| 4770253 | Grader blade with tiered inserts on leading edge A grader blade has a steel body with a bottom edge incorporating a pair of tiered, elongated carbide inserts in a forward portion thereof. The carbide inserts, being arranged in a tiered contacting relationship, are disposed in a stepped recess formed in ... | 09/13/1988 |
| 4753299 | Grader blade assembly and pick therefor A blade assembly for hard earth road graders has a support frame for attachment to the mouldboard of the road grader and a plurality of evenly spaced picks located in sockets spaced along the lower edge of the support frame. The picks have spigots to rele... | 06/28/1988 |
| 4723609 | Double bladed combination scraper A scraper for use with a two point bucket hitch of a tractor. The scraper provides a resiliently deformable blade depending below a rigid blade so that the deformable blade might be independently used by regulating blade height above a surface. The scrape... | 02/09/1988 |
| 4715450 | Grader blade with casting/insert assembly on leading edge A grader blade has a steel body with a bottom edge incorporating a substrate of air-hardened tool steel casting material assembling a preformed cemented carbide insert in tiered relationship with, and rearwardly of, a casted layer of carbide grit. The fro... | 12/29/1987 |
| 4630964 | Subgrading machine A subgrading machine precisely levels and contours the subgrade within an area having first and second parallel oriented forms including parallel upper surfaces vertically spaced above the subgrade and defining a form surface plane. A grading blade extend... | 12/23/1986 |
| 4550512 | Excavator bucket with detachable implements An excavator bucket has a ground engaging portion with a central housing and side housings providing sockets for receiving the tangs of various implements for use in the excavation and grading of earth. The structure and arrangement of the housings provid... | 11/05/1985 |
| 4501079 | Two piece cutting edge construction A two-piece cutting edge construction wherein a plurality of adapters are mounted on the mold board each having releasably locked thereto a cutting edge; the sidewalls of the adapters and cutting edges being recessed for the receipt of longitudinally (for... | 02/26/1985 |
| 4457380 | Blades for earth moving machines A pair of cutting edge members are adapted to be fastened to a blade-like support member of an earth moving machine. The pair includes a female cutting edge member (A) and a male cutting edge member (B), each member having ground-engaging edges at opposit... | 07/03/1984 |
| 4445577 | Bulldozer blade A blade suitable for attachment to an earth-moving machine is provided that substantially increases the size of the load that can be carried by the machine. The blade includes a pair of elongated, juxtaposed blade portions joined together at a common cent... | 05/01/1984 |
| 4390071 | Replaceable cutting blade assembly for dozers A replaceable cutting blade assembly for a dozer is designed to present at least three, and optionally four, potential working edges.... | 06/28/1983 |
| 4384620 | Multipurpose-type blade device for earth moving machine A blade device composed of a support frame mounted on the front end of an earth moving machine, a pair of blade members, whose each inside end is pivotably connected to the center of the front portion of said support frame and a pair of cylinder mechanism... | 05/24/1983 |
| 4262753 | Plow blade attachment system By providing a plow and scraper blade assembly with a camming and securing member at one end and a pivotable, blade locking member at the other end, along with a cooperating, interfittingly engageable plow blade, a plow and scraper blade assembly is achie... | 04/21/1981 |
| 4261115 | Snowplow A snowplowing blade includes a reverse scraping blade pivotally mounted to the rear surface of a conventional plow blade and supported such that when the conventional blade is lowered and moving in a reverse direction, the scraping blade is held in a stat... | 04/14/1981 |
| 4164821 | Snow plow blade attachment system By providing a plow and scraper blade assembly with a camming and securing member at one end and a pivotable, blade locking member at the other end, along with a cooperating, interfittingly engageable plow blade, a plow and scraper blade assembly is achie... | 08/21/1979 |
