Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 8127457 | Tool, method and marking system The present invention pertains generally to marking and/or measuring surfaces adjacent to the curved and/or off angle object's surface, positioned perpendicularly to the working surface or positioned on the same surface plane as the object's surface. Particularly, t... | 03/06/2012 |
| 8051573 | User manipulated line marking apparatus A user manipulated apparatus for producing straight construction lines on sheet material includes a linearly extensive frame with integrally formed handle and an expendable marking strip affixed to a bottom edge of the frame. A user positions the frame so that its e... | 11/08/2011 |
| 7987604 | Jig for use in cutting synthetic shingles and tiles A jig is provided for use in cutting synthetic shingles or tiles, as comprising a table and a clamping bar, with fasteners securing the clamping bar to the table for clamping a shingle or tile between the table and the bar, with the bar being used as a guide for sli... | 08/02/2011 |
| 7254855 | Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool A multi-purpose hand tool has a first member having a first portion and a second portion. A second portion member is slidably and pivotally coupled to the second portion of the first member. A coupling assembly pivotally couples the second member to the second porti... | 08/14/2007 |
| 7231720 | Inside/outside scribe The invention is an improved, hand-held, adjustable, graduated marking gauge and scribe for carpentry and related activities. It is used to mark work-pieces at a given distance from an adjacent edge or intersecting surface such as is encountered when fitting cabinet... | 06/19/2007 |
| 7211043 | Method, system and device for evaluating skin type A method, device and system for determining skin type. The method includes a step of applying at least one drop of substance onto a zone of the skin or on a collector member previously in contact with the zone of the skin. The substance can modify at least one physi... | 05/01/2007 |
| 7191531 | Corner marking device A device that can be used to place lines on structures adjacent to a corner. The device includes an L-shaped body that has two sections that intersect each other at a right angle. A chalk-depositing roller is rotatably and movably mounted on each section and deposit... | 03/20/2007 |
| 7191534 | Handheld layout and marking tool A handheld layout and marking tool including a rule-like member and a sliding handgrip for sliding to a user desire position. The sliding handgrip preferably includes an integrally formed braking device rendering a one hand operable combined sliding handgrip and bra... | 03/20/2007 |
| 7163353 | Adapter for coupling a paint marking stick to a digital counter An adapter by which a conventional paint marking stick that carries a can of spray paint to mark a roadway surface in need of repair is detachably connected to a conventional digital counter having at least one wheel to roll over the surface so as to measure the siz... | 01/16/2007 |
| 7150104 | Tool and method for scribing longitudinal lines on a cylindrical rod A tool for scribing a longitudinal groove on an elongate cylindrical rod suitable for implanting as a prosthetic in a living being supports the rod in a linear groove on a bed of a frame of the tool. A track is mounted on the frame and runs parallel to the groove. A... | 12/19/2006 |
| 7010861 | Marking system A marking system that may be configured to achieve a variety of marking devices. The marking system includes a main body member and a plurality of downwardly directed marking members. ... | 03/14/2006 |
| 6941605 | Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool A multi-purpose hand tool has a first member having opposite main surfaces and an elongated slot extending through the the main surfaces. A second member is slidably and pivotally coupled to one of the main surfaces of the first member. The second member has opposit... | 09/13/2005 |
| 6829833 | Tool guide A guide for steadying the path of a cutting tool and enabling force to be applied to compress a workpiece on opposing sides of the path of the tool. ... | 12/14/2004 |
| 6629370 | Board cutter The board cutter includes a T-square and a knife. The T-square has a head with a board edge contact surface and a board face contact surface. A long leg of the T-square is attached to the head. A board face contact surface on the bottom of the long leg sl... | 10/07/2003 |
| 6199288 | Tool for marking large flat building material sheets A tool for use in marking large flat building material sheets, each sheet having a standardized length and a standardized width and having opposed longitudinal side edges to provide a cut line by which each sheet can be dimensionally shaped for installati... | 03/13/2001 |
| 5996237 | Edge cutter trim tool A cutter device comprising: a rigid rectangular support frame, including an elongate guide bar for positioning the frame at the edge of a web article; a transversely extending slide bar joined to and extending across a midportion of the rigid rectangular ... | 12/07/1999 |
| 5946999 | Clear plastic scoring board This invention is a clear plastic board used specifically for scoring a straight line when place on top of glass or stained glass. The invention allows the artisan to comfortably move the board so as to score by seeing his pattern through the clear plasti... | 09/07/1999 |
| 5732472 | Gypsum wallboard scoring tool An edge guided tool for scoring flat panels comprises a cutter assembly sliding on a track mounted on a conventional T-square vertical rail. A cutting tool body supporting a cutting plate over a panel to be cut is slideably mounted in the track on a resil... | 03/31/1998 |
| 5404647 | Dry wall sizing apparatus The present invention comprises a sizing and cutting tool for accurately and quickly producing pieces of wall board of predetermined size from a larger sheet, wherein a cutting instrument is affixed to one end of a bar, and having a sizing plier disposed ... | 04/11/1995 |
| 5309642 | Mat marking and cutting apparatus An artwork mat marking and cutting apparatus for use in cutting mat and similar material for picture framing and the like is disclosed. The apparatus includes a combined marking and bevel cutting device and a dual scale conversion ruler for ease of measur... | 05/10/1994 |
| 5309643 | Adapter apparatus mounted on a marking instrument to achieve movement in a straight line An adapter apparatus mounted on a marking instrument to achieve movement in a straight line for marking through a pen/pencil member; highlighting with use of a highlighter pen member; magnifying fine print for ease of reading; and cutting a a support surf... | 05/10/1994 |
| 5050308 | Tool guide and contour sander for use therewith A tool guide temporarily attachable to vehicle body panels or other surfaces to provide a straight edge, and a contour sander for use in connection with a straight edge. The tool guide includes an elongated member having a longitudinal edge surface for gu... | 09/24/1991 |
| 4989335 | Wallpaper knife guide A guide for guiding wallpaper knife includes a planar member with a right-angled lip formed at a forward end portion of the planar member. The right-angled lip and the planar member form a press for pushing an overlapping sheet of wallpaper into a corner,... | 02/05/1991 |
| 4860723 | Ceramic tile spacing gauge and tile holder A tile spacing gauge for gauging the space for a last row of tiles is also a tile holder that is coupled to a tile cutter so that the tile spacing gauge forms an integral component of the tile cutter. Tiles for the last row are held in position at a butti... | 08/29/1989 |
| 4763707 | Self-centering router mortise base An automatic self-centering cutting guide base plate for electric routers which can be utilized as either the main base plate or as an auxiliary sole plate and is adjustable for variable work surface heights and widths.... | 08/16/1988 |
| 4734991 | Adjustable roller support for cutting torches A guide roller attachment for a cutting torch which consists of a clamp member secured to hex nut of the cutting torch and a pair of elongated legs with knurled wheels rotatably coupled thereto. The legs are adjustably coupled to the clamp member to contr... | 04/05/1988 |
| 4680864 | Drawing guide A first body part having a rubber rim wheel and a second body part having a rubber rim wheel are interconnected by a vertical hinge. The first body part has a pencil holder between its wheel and the hinge and the wheels have distance measurement scales. A... | 07/21/1987 |
| 4553327 | Ruler device for use in marking-off A ruler device for use in marking-off which comprises a reference rail fixed to a surface table by means of a magnet, an orthogonal rail mounted on the reference rail detachably and shiftably along the reference rail and extending in an orthogonal directi... | 11/19/1985 |
| 4444174 | Tile parting devices The invention concerns a device for parting tiles, particularly ceramic tiles, along a predetermined path. The device includes measuring means having a caliper arrangement to measure the width of an area to be covered by a tile, a tile-receiving region in... | 04/24/1984 |
| 4382590 | Plate cutting frame A device for holding and cutting a thin plate of sheet material such as glass or plastic into a plurality of smaller rectangular plates with a hand-manipulated tool. A rigid base is formed with a recess which forms a depressed platform for receiving and f... | 05/10/1983 |
| 4324514 | Router guide apparatus for cutting printing plates Apparatus for guiding a small router head along either straight paths or arcs of circles, for cutting sheet metal printing plates to desired outlines. The operator may guide the router over the same path several times, successively increasing the depth of... | 04/13/1982 |
| 4197887 | Router guide assembly A router guide assembly adapted to be releasably or semipermanently attached to the work face of a router. The router guide assembly includes a circular base plate having a central aperture through which the cutting bit of the router extends. A pair of gu... | 04/15/1980 |
| 4084569 | Tile cutter The invention relates to tile cutters and provides a tool for cutting glass and ceramic tiles. The tool can be used both to guide a scriber for scoring the surface of the tile and also to provide the necessary bending stress to snap the tile along the sco... | 04/18/1978 |
