Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 8151470 | Apparatus and method for alleviating ice freeze-up of vehicle windows To alleviate ice freeze-up of vehicle windows which incorporate spaced upper and lower seals which engage an outside surface of the vehicle window, a tool is provided with a handle and a blade extending from the handle and the blade has a bend and a distal end which... | 04/10/2012 |
| 8141255 | Multi-impact hand tool A multi-impact hand tool comprises a sleeve, a tool head, a movable rod, a spring and an impact block. With only one impact operation, the multi-impact hand tool can provide a multi-impact effect, thus improving the working efficiency. In addition, the impact force ... | 03/27/2012 |
| 7681317 | Icicle removing tool A de-icicling tool has an icicle removing head mounted onto the distal end of an elongated handle. The head is formed of a generally flat blade and a mounting sleeve to that fits onto the distal end of the handle. The blade member has a series of triangular teeth in... | 03/23/2010 |
| 7434318 | Tool with enlarged hammer element A tool includes a blade having a working edge and an attachment edge opposite the working edge, a handle with distal and proximal ends and a body having at least one diameter. The proximal end is associated with the attachment edge. A hammer element is associated wi... | 10/14/2008 |
| 7313985 | Rapid roof remover In the past shingles and nails were removed from a roof by means of a shovel, pitch fork, or shingle removal tool. All of these methods require intense physical labor, and because of the small width of the available tools are very time consuming to achieve the desir... | 01/01/2008 |
| 7278343 | Apparatus for lap seaming floor coverings The present invention pertains to an apparatus for continuously cutting different floor coverings to form a uniform seam between them. The apparatus is particularly suited for vinyl and linoleum tile floor coverings. The apparatus is secured to a floor at a referenc... | 10/09/2007 |
| 7257896 | Tool for breaking spot welds A chisel for breaking spot welds of a vehicle includes an elongate handle section with a grip and a slightly angled chisel section with blade faces on three sides and a rib generally parallel to a blade edge to limit insertion of a blade between vehicle body parts. | 08/21/2007 |
| 7175023 | Chisel scabbard with removable insert A chisel scabbard (10) comprises a pouch (12) and a belt clip (22). An insert (14) is received in the mouth (16) of the pouch (12) and is adapted to receive various sizes of chisel. A flat front surface (64) is provid... | 02/13/2007 |
| 7152326 | Rotary blade holding tool A rotary blade holding tool for facilitating safe and firm grasping of a rotary blade during removal includes an elongated bowed sheath having an end opening for receiving a rotary blade therein such that the sheath surrounds an end of the rotary blade. ... | 12/26/2006 |
| 7032586 | Single point engraving cutter tip An improved single point engraving burin tip, for use in hand engraving and stone setting in the hand engraving and jewelry fields. More specifically, the invention provides a single point engraving tip with a secondary relieving area to the primary cutting edge. | 04/25/2006 |
| 7007573 | Impact driver and fastener removal device A fastener impact driver device 10 includes a fastener engagement member 12 having a plurality of projections 14 disposed about a lower portion 16 that engages a corresponding peripheral portion 18 of a fastener 20. The devi... | 03/07/2006 |
| 6796034 | Interchangeable head carving tool A carving tool in which a concave hemispherical cutting head is detachably secured to a base member and a handle by fastener structure, thus securing the cutting head, the base member, and the handle to each other. The carving tool is a swinging impact tool which is... | 09/28/2004 |
| 6769182 | Chisel device A chisel device for providing a chisel and slide hammer combination. The chisel device includes an elongated body having a first end and a second end, An annular flange is integrally coupled to and extends around the elongated body. The flange is positioned generall... | 08/03/2004 |
| 6751875 | High-speed, hand-held reciprocating method for cutting, carving, sawing, chiseling, filing, sanding, and engraving A high-speed, hand-held attachment for flex rotor shafts of power rotary tools, and also for direct attachment to power rotary tools without flex rotor shafts, that converts rotary motion to reciprocating motion for precision control of cutting, carving, sawing, chi... | 06/22/2004 |
| 6578457 | Toolholder A hand-operated toolholder for a chisel (1) and including a holding member for operating a chisel and having a protection flange at its end facing in a direction opposite to an operational direction (B), a tubular guide (2) for axially guiding the chisel ... | 06/17/2003 |
| 6513564 | Nozzle for cleaving substrates A cleaving tool provides pressurized gas to the edge of a substrate in combination with a sharpened edge to cleave the substrate at a selected interface. The edge of the tool is tapped against the perimeter of a substrate, such as a bonded substrate, and ... | 02/04/2003 |
| 6408951 | Automatic cable-cutting apparatus A cable-cutting apparatus includes a housing, a cutter rod with a fixed blade, an impact rod, a resilient unit for biasing the impact rod to press against the cutter rod, a rotating unit, and a driving unit. Normally, an engagement surface of the impact r... | 06/25/2002 |
| 6263941 | Nozzle for cleaving substrates A cleaving tool provides pressurized gas to the edge of a substrate in combination with a sharpened edge to cleave the substrate at a selected interface. The edge of the tool is tapped against the perimeter of a substrate, such as a bonded substrate, and ... | 07/24/2001 |
| 6085850 | Miniature impact tool A miniature impact tool in which a cam and cam follower assembly is utilized for moving a striker backward by converting rotary motion of a drive shaft to a linear motion. The striker is in contact with a spring/guide pin (plunger) assembly and is moved a... | 07/11/2000 |
| 6076431 | Striking tools with deflector grips A striking tool has an elongated metal core having a bottom end for contacting a workpiece and an upper end for receiving the impact of a hammer or the like, and a plastic overlay secured around a substantial portion of the core, with at least a portion o... | 06/20/2000 |
| 5966818 | Chisel with improved blade A chisel with a removably mountable blade is provided which consists of a handle for the chisel having a head region formed with a detent to provide a space for receiving a first cutting edge of the blade, while the other opposed cutting edge of the blade... | 10/19/1999 |
| 5953820 | Chisels and scrapers with replaceable blades The hand tool has a shaft with a distal end which is configured to receive any one of a variety of different sized chisel or scraper blades or the like, via corresponding male and female dovetail connections, for example. Storage space for the extra blade... | 09/21/1999 |
| 5930899 | Molding and emblem removal tool A pneumatic scraping tool includes a pneumatic hammer assembly including a cylinder in which a piston reciprocates for repeated impact against an anvil or blade holder which is rotatably received within an end of the cylinder and carries a scraping blade.... | 08/03/1999 |
| 5803183 | Miniature impact tool A miniature impact tool in which a cam is utilized for moving a striker backward by converting rotary motion of a drive shaft to a linear motion. The striker is in contact with a spring/guide pin (plunger) assembly and is moved away from a surface to be s... | 09/08/1998 |
| 5621962 | Method of manufacturing chisel for impact tool A chisel and a method of manufacturing a durable chisel. An axial hole is formed in a chisel so that the hole is open at the chisel tip. Non-metallic powder is then supplied into the axial hole. A core member made of cemented carbide or other material har... | 04/22/1997 |
| 5557852 | Hand tool with five cutting edges A woodworking hand tool providing a blade having five cutting edges is disclosed. The blade provides an elongate front cutting edge, shorter left and right cutting edges, and left and right rear cutting edges. The blade is operative if moved in any direct... | 09/24/1996 |
| 5433005 | Chipping hammer A hammer and chisel device for clearing slag from welds includes a chipping chisel interchangeably and springingly affixed within a weighted handle having a slip resistant grip. Since welds often produce slag in a hard to reach spot, the invention provide... | 07/18/1995 |
| 5431672 | Surgical scalpel with retractable blade A surgical scalpel having a handle with a blade carrying carriage that can be slid from an intermediate position where the blade is within the handle to an extended position where the blade extends beyond the distal end of the handle and is exposed for us... | 07/11/1995 |
| 4937939 | Remotedly operated chimney chisel A chisel 1, 2, for removing hard deposits 29 inside a chimney 14, which is braced against one wall 24 to exert a chiseling force on the opposite wall 23. The chisel 1, 2 is sharp on one end 22 and is manipulated by a pushing handle 6 and a pulling handle ... | 07/03/1990 |
| 4924576 | Tool holder assembly A tool holder assembly of the type used to operatively position leather working tools or the like designed to punch or stamp the material being worked. A mallet, maul or other heavy, hammer-type instrument strikes the tool and forces a work engaging end t... | 05/15/1990 |
| 4875289 | Chisel for removing damaged bolts, nuts and screws A chisel for rotationally disengaging a threaded bolt, nut or screw, has at one end thereof a cutting edge for cutting into and penetrating a surface of the bolt. The chisel further includes a first chisel face terminating at the cutting edge of the chise... | 10/24/1989 |
| 4829673 | Precision self-actuated woodworking tool A self-actuated woodworking tool [T] for one-handed reciprocating operation has a chambered haft [1] and a tool shank [4] carried captively axially within the haft in slidable, reciprocal relationship. A shank portion [5] extending forwardly from the haft... | 05/16/1989 |
| 4821419 | Blind nailer A blind nailer plane having an improved iron or chisel with a cutting edge which is straight through its central portion and curves upward on either end in order to produce a shaving which is cleanly cut from a workpiece and may therefore be glued in plac... | 04/18/1989 |
| 4600005 | Guided osteotome for harvesting cranial bone graft A guided osteotome for use in the harvesting of bone graft material for craniofacial plastic surgery includes an instrument body having a blade on the instrument body with a cutting edge for cutting through a layer of selected bone tissue suitable for gra... | 07/15/1986 |
| 4586496 | Surgical chisel A surgical chisel is formed by a flexurally rigid chisel shank and a thin, elongated chisel blade fixed at its front end, which are both displaceably guided in slideways in a chisel guide, which lends the chisel blade buckling resistance.... | 05/06/1986 |
| 4520564 | Tool for removing automotive door panels A tool for removing the outer sheet metal skin of an automobile door. The tool includes a head having a handle and a shank affixed to it, so that the tool can be held and guided by the handle, when operated with a pneumatic hammer or air chisel is coupled... | 06/04/1985 |
| 4497355 | Woodwork cutting device such as a wood chisel with sharpening guides provided therewith The present invention relates to a woodwork cutting device such as wood chisel or plane iron blade having a cutting end, one side with a beveled cutting edge formed about the cutting end thereof, and opposite back side, and two side edges. Provided about ... | 02/05/1985 |
| 4473946 | Pyrographic iron tip A pyrographic iron for sculpting fine feather barbs on a realistic wooden bird carving uses interchangeable tips slide fitting on the irons. The tips have a head with a flat surface tapered toward one or two outer edges, the surface having from 3 to 100 s... | 10/02/1984 |
| 4235268 | Tool for forming door mortice A simple, inexpensive and easy to use tool for forming a rectangular mortice in either a door or a doorjamb. The tool comprises a U-shaped frame member adapted to be clamped to the edge of the door or doorjamb. Two sets of slots are formed in the frame, e... | 11/25/1980 |
| 4133362 | Protective handle for a hand-held striking tool A protective handle is provided for a hand-held striking tool having an impact-imparting leading surface and an elongated stem extending in an outward direction from the impact-imparting surface. The handle includes an elongated elastic socket grip lying ... | 01/09/1979 |
