In 1879, Auguste Bartholdi received design patent number 11,023 titled "Design for a Statue". It was for the Statue of Liberty.
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| Number | Title | Issue Date |
| 7124836 | Knock-on sweep structure Sweep retaining structure includes a retainer having a contact end biased towards the sweep. The sweep includes two or more spaced end-receiving areas to accommodate changes in the mounted sweep position. In one embodiment, the retainer is a wire made of spring stee... | 10/24/2006 |
| 7086185 | Device for coupling wear pieces to the receptacle tools of a public works machine In a device for coupling a tooth onto an adaptor nose with a key, the tooth includes a skirt shrouding the adapter nose beyond the key passage zone and having a configuration connected to a return wall, comprising a bordering ridge. The wall is provided in the width... | 08/08/2006 |
| 7070007 | Knock-on sweep structure Sweep retaining structure includes a retainer having a contact end biased towards the sweep. The sweep includes two or more spaced end-receiving areas to accommodate changes in the mounted sweep position. In one embodiment, the retainer is a wire made of spring stee... | 07/04/2006 |
| 7013812 | Tamping tool The present invention comprises a tamping tool comprising a shank and a blade, with the blade having various arrangements of wear-resistant material affixed to the face of the blade by means of brazing, soldering, gluing or other method. Additionally, some arrangeme... | 03/21/2006 |
| 6997121 | Minimum tillage agricultural implement having furrow opening shank assemblies An agricultural implement for forming a furrow in a soil, is described and which includes a rotatable shank; a resilient, movement limiting member disposed in force transmitting relation relative to the rotatable shank; and a pair of wheels mounted for earth engagin... | 02/14/2006 |
| 6854527 | Fracture resistant carbide snowplow and grader blades The present invention provides for carbide edge snowplow and grader blades that are durable and fracture resistant. The carbide along the blade edge and blade bottom which contacts the surface being treated is designed to limit the degree of fracture of the carbide.... | 02/15/2005 |
| 6810610 | Edge attachment for the bucket of earth moving equipment The present invention provides an edging device for an earth moving machine having a bucket including at least one receiver detachably attachable to the bucket of earth moving machine. The receiver has a plate and an attachment member for engaging the bucket. The re... | 11/02/2004 |
| 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 |
| 6757995 | System and method for coupling excavation equipment components A system for coupling excavation equipment components is provided. The system includes a retainer pin having first and second detents which are extendable axially from a surface of the retainer pin, in response to rotation of a valve seated at least partially within... | 07/06/2004 |
| 6745709 | Replaceable ground engaging tip and wear resistant insert therefor A ground engaging tip for a seed boot attachment for depositing a seed within a furrow. The tip including a conical shape member formed of three generally planar shape side surfaces wherein two of the side surfaces meet to form an inclined leading edge extending fro... | 06/08/2004 |
| 6318279 | Seed boot attachment and wear resistant inset therefor A seed boot attachment for depositing a seed within a furrow including a synclinal shape housing extending to a forward point, furrow forming points extending rearwardly and downwardly from opposing side edges of a bottom surface of the housing, and at le... | 11/20/2001 |
| 6003617 | Insert for board An insert cooperates with the channel in a material moving board. The insert is adapted to reach at least 3/4 of the way from the front edge to the rear edge of the board. The insert is preferably brazed to the channel and is made primarily of tungsten ca... | 12/21/1999 |
| 5966849 | Lock system for excavating tooth point and adapter and for rigging A lock system removably connects an earth-engaging tooth point to an adapter. The lock system is particularly suited to tooth points for large excavating buckets, such as dragline buckets. The forward-extending nose of the adapter fits within the rear-fac... | 10/19/1999 |
| 5964300 | Wear shin for a tillage implement A wear shin for a shank of a tillage tool such as a ripper includes a profile having a narrow leading edge with forwardly concave sides extending rearwardly and outwardly from the leading edge to sides generally aligned with the sides of the shank. Upper ... | 10/12/1999 |
| 5947209 | Ground working implement including a shank and a tip A shank and replaceable tip of a ground working implement are defined from flat plate which is cut by laser or similar or is stamped to provide interconnecting elements between the replaceable tip and the lower end of the shank. At the lower end of the sh... | 09/07/1999 |
| 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 |
| 5813475 | Hardfaced agricultural sweep and method for applying hardfacing An agricultural sweep has a main body with a cutting edge including a tip and winged portions extending away from the tip. The tip and winged portions have hardfacing material on them. In the improvement, the width of the hardfacing material on the tip is... | 09/29/1998 |
| 5755048 | Pavement cutter A pavement cutter is provided for attachment to the boom assembly of a conventional backhoe or excavator including an elongated cutting blade having a scoring edge disposed in substantially parallel relation to the surface of the pavement and a cutting ed... | 05/26/1998 |
| 5553409 | Shroud anchor system A wear protector system for shielding the leading edge of an earthmoving implement such as a loading bucket includes an arrangement of shrouds which cover the leading edge between the laterally spaced digger teeth. Each shroud has a nose portion that wrap... | 09/10/1996 |
| 5471770 | Rubberized wear pad assembly and method of making same A wear pad assembly for the bottom of a large machine operated device has a number of wear pads, each of which has a number of sections which are compressed and sandwiched together. The sections have an inclined front surface to assist in scooping debris ... | 12/05/1995 |
| 5412885 | Bucket base edge protector assembly Edge protectors for the leading portions of base edges have been utilized in many application to protect the leading portion of the base edge. It is advantageous to have an edge protector that is readily removed and replaced without having to remove addit... | 05/09/1995 |
| 5333696 | Reversible protector for a work member Reversible protectors are normally utilized to protect the leading edge of a work member from high wear during use. It is also advantageous to have a reversible protector that can be secured to a work member even though the work member may be composed of ... | 08/02/1994 |
| 5325799 | Seed boot insert A seed boot for depositing a seed within a furrow including spaced side members, a face plate extending between forward edges of the side members, and a rear spacer member extending between rearward edges of the side members, and a wear insert secured to ... | 07/05/1994 |
| 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 |
| 5224554 | Plant transplanter A transplanter is disclosed which provides uniform planting without damaging plants. The transplanter includes a mechanism for receiving plants and depositing them in a furrow formed by a unique furrow opening shoe having a polymer outer layer which does ... | 07/06/1993 |
| 5210965 | Fabricated bucket tooth A replaceable point is disclosed for attaching to the nose of an adapter to provide a tooth for an earth digging and moving bucket. The point is made up of a plurality of flat-sided, rolled steel plates that are held in aligned side-by-side relationship. ... | 05/18/1993 |
| 5185946 | Plow assembly with flexible moldboard A plow assembly useful for moving material from surfaces such as roadways in various selectable discharge directions includes a moldboard assembly and pivotable frame. The moldboard assembly is capable of being oriented in a right side discharge or a left... | 02/16/1993 |
| 5136954 | Device for application of granular, gaseous or liquid material to soil An attachment to an existing sweep of a seeding device is provided for additional dispensing of fertilizer. A protection tooth on the leading face of the attachment can be placed at a desired depth of its lower, free end to selectively adjust the level at... | 08/11/1992 |
| 5129168 | Moon lock A locking arrangement and method of locking a plurality of plate members (1) (FIG. 5) to a base surface, the base surface being provided with a plurality of locking anchors (5) provided in spaced apart relationship thereon. The locking arrangement is part... | 07/14/1992 |
| 5119888 | Replaceable edge for trenching plow blade A trenching plow blade having replaceable wear components is disclosed. A preferably octagonal rod with regularly spaced transverse holes drilled therethrough is welded to the leading edge of the blade. Replaceable leading edge cover pieces each have a ch... | 06/09/1992 |
| 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 |
| 5056243 | Connection for elements at least one of which is subject to abrasive wear A locked connection for structures engageable with abrasive material and the like including a pair of relatively elongated elements at least one of which is subject to abrasive wear, the elements having parallel longitudinally extending centerlines and sp... | 10/15/1991 |
| 5027907 | Replacement tips for spring harrows The invention is designed primarily for use with resilient tine components which include a pair of resilient spring coils having an attaching U extending between adjacent ends and a resilient tine extending from the outer end of each of the resilient coil... | 07/02/1991 |
| 4955297 | Seeding planter shoe for agricultural planters A seend planter shoe adapted to lift displaced soil up and out of the planting furrow or furrows being formed as the shoe is drawn through agricultural soil, substantially without compressing the soil remaining in place and defining the furrow laterally, ... | 09/11/1990 |
| 4911249 | Tool which uses soil as wearing edge A soil-working tine has a recess extending along its wearing edge. The recess captures some soil as the tine passes through the soil. The soil captured in the recess acts as a wearing edge, reducing wear on the material of the tine.... | 03/27/1990 |
| 4869328 | Chisel plow point A chisel plow point consisting of a unitary tip section, a tip extender portion extending in the direction opposite to that of the tip section and conforming to and adapted to overlie the end section of a moldboard to present a working surface that turns ... | 09/26/1989 |
| 4833801 | Snow plow guards Guards for replaceable attachment to a snow plow blade near the outer ends of its cutting edge are shown. Each guard has a panel portion conforming generally to these outer ends; that portion is of a hard, impact resisting metal of high shear strength, an... | 05/30/1989 |
| 4823884 | Plow cleaning device The problem of having dirt and debris stick to the shank of a subsoil plow is solved by providing a non-stick cover body that attaches to a lower portion of the shank and is sized and configured and of a material to which dirt and debris will not adhere. ... | 04/25/1989 |
| 4799823 | Plow with readily replaceable wear parts especially adapted for use in a vibratory cable laying machine A replaceable wear parts assembly for attachment to the plow shank of a cable laying machine is disclosed that is particularly effective in the environment of vibratory plowing action. The replaceable wear parts are preferably in the form of a shank guard... | 01/24/1989 |
| 4756102 | Resiliently mountable support structure with wear resistant contacting surface A vehicle mounted ancillary support equipment such as a support runner, foot or shoe for use with street sweepers, snow plows, snow blowers and the like is disclosed. The support runner includes a ground contacting portion, for support of brushes, blades,... | 07/12/1988 |