Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Application No. | Application Title | Issue Date |
| 20110140467 | UTILITY LOCATION SHOVEL According to one embodiment, a shovel for excavating material within a utility location includes a blade made from a non-metal material. The blade has an overall thickness and a leading edge with a blunt surface and a beveled surface. The overall thickness of the blade ... | 06/16/2011 |
| 20110042980 | Shovel apparatus A shovel apparatus having a handle assembly at one end, a blade at the other opposed end, and a shaft therebetween connecting the blade to the handle assembly. The blade, in turn, comprises a substantially flat, somewhat trapezoid-shaped base portion and an integral, co... | 02/24/2011 |
| 20110037281 | TRENCH SHOVEL A trench shovel with a tempered steel blade having a width narrower than its length, and typically has a rounded or pointed front edge for penetrating into the earth, and a transition portion that has extending there from a tubular member for attachment of a handle of r... | 02/17/2011 |
| 20100263133 | MULTI-PURPOSE TOOL The invention is a multi-purpose tool that may provide the utility of a plurality of tools at a reduced weight and volume through the interchangeability of distinct tool attachments. A multi-purpose tool may comprise an elongated member including a handle and a pluralit... | 10/21/2010 |
| 20100051297 | Hand-manipulated, dirt tool with at least three, working, outwardly-directed, side edges A hand-manipulated dirt tool, either a spade, shovel, post hole digger or the like, is driven and guided by the hands and feet of the human user, which tool has at least three (3), operative, outwardly-directed, side edges, preferably continuous, namely, a penetrating c... | 03/04/2010 |
| 20090200813 | IMPLEMENTS An implement comprising a first member, at least a second member secured at one end of the first member; and at least one piece of material overlapping a junction between the first member and the second member. The implement is made by securing the second member at one ... | 08/13/2009 |
| 20080309105 | MATERIAL PUSHING DEVICE AND METHOD FOR USE A material handling tool adapted for pushing material along a surface, for example, for pushing leaves across a lawn. The tool includes at least one elongated blade having a leading edge adapted to contact material and a bottom adapted to contact the surface and a colle... | 12/18/2008 |
| 20080309106 | ROOT CUTTING SHOVEL A root cutting shovel (1) having a concave head (2) of a predetermined size and shape having a top (3) and a tip (4) wherein the head (2) has a front face (16) and a rear face (17). The head top (3) has a first end... | 12/18/2008 |
| 20080301879 | Gardening Apparatus A gardening apparatus for manipulating soil and/or cutting plants is disclosed, which comprises an implement being made of at least one rigid material, such as steel or plastic, at least one copper rich material coving at least one working surface area of the implement,... | 12/11/2008 |
| 20080143127 | Sifting Shovel A sifting shovel for sifting particulate matter from a volume of material comprising a shovel head and a handle with an end fixed to the shovel head. The shovel head has a base plate, a sifting plate disposed in spaced relation relative to the base plate, a first side w... | 06/19/2008 |
| 20080012369 | DEMOLITION SHOVEL The present invention is a demolition shovel that includes a handle, a shovel head, and a leverage attachment. The leverage attachment includes an attachment sleeve and leverage sleeve. A user can use the leverage sleeve to leverage force applied to the shovel handle ag... | 01/17/2008 |
| 20060001282 | Adjustable sifting shovel The present invention teaches a shovel having a scoop with a bottom perforated by apertures and a movable sifting plate held in one of a plurality of possible positions by means of a retainer plate. The sifting plate may have apertures which do not overlap the apertures... | 01/05/2006 |
| 20050248166 | Power assisted hand shovel and method of producing same A power assisted hand shovel includes a stationary blade that is configured to receive dirt and other material to be shoveled and to facilitate transport of the material away from the area being shoveled. A handle has a proximal end and a distal end which is attached to... | 11/10/2005 |
| 20050230985 | Shovels and other implements with scalloped leading edges An improved blade for a shovel includes a serrated leading edge having a plurality of concave scallops. In the preferred embodiments, the scallops are substantially identical and include a curved portion having a radius between two points spaced apart by a distance ‘d... | 10/20/2005 |
| 20050179272 | Oblong, non-slip, ergonomic handle for kitchen utensils An ergonomic, oblong handle for kitchen utensils such as a spatula, specially designed to provide more comfort and safety to users. The handle comprises two materials: a non-slip thermoplastic rubber and a plastic (resin). ... | 08/18/2005 |
| 20050110290 | One shot shovel A shovel which has a blade and a handle, the blade having first and second side edges and first and second wings extending outwardly and upwardly from respective side edges, each of the wings having a front edge which merges with a respective shovel side edge at a point... | 05/26/2005 |
