Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7506448 | Layout clip and method of use A layout clip and method comprises a clip body having a channel formed therein which frictionally engages a string that is secured to a layout member that is placed to define a future structure. The layout clip has a gripping portion and is marked to indicate a stru... | 03/24/2009 |
| 7409771 | Self supporting string line reel-line block tool A string line tool having a string line support and an integral line block for using a string line under tension in alignment work for carpentry, masonry and general construction work. The string line tool of this invention is self supporting due to maintaining the ... | 08/12/2008 |
| 7293363 | Dual line protractor for biometric measurements A dual line protractor fixed to a central axis which has two housings, each housing having a spool with retractable lines, the housings and spools being rotatably attached to the central axis. The spools and housings rotate independently of each other on the central... | 11/13/2007 |
| 7231722 | Lay out line A chalk line apparatus for marking regularly spaced locations. The apparatus comprises a casing for powdered chalk containing a rotatable reel, a wire rope wound on said reel, and an exit opening for the wire rope at one end of the holder. The wire rope is coated wi... | 06/19/2007 |
| 7197832 | String line box tool A string line box tool comprising a chalk line box and a line block integral therewith used for guiding a string line rearward from the chalk line box through a groove in the line block in order to provide a free holding string line for carpentry or construction wor... | 04/03/2007 |
| 7137207 | Measuring arrangement to determine location of corners for a building foundation and a wooden base frame, and the use thereof An arrangement comprising a laser projection device is used in determining the location of corners in constructing a foundation of a building or other structure. The arrangement is also used in positioning wooden beams perpendicular to one another in a floor frame o... | 11/21/2006 |
| 7121179 | Angle indicator for miter saw An angle indicator includes a wheel, a spring member and a rope. The angle indicator is used in a miter saw, which has a worktable, a swivel arm swivelably mounted to the worktable, and a saw blade rotatably mounted to the swivel arm, for indicating a bevel angle of... | 10/17/2006 |
| 6964109 | String line box tool A string line box tool comprising a chalk line box and a line block integral therewith used for guiding a string line rewardly from the chalk line box through a groove in the line block in order to provide a free holding string line for carpentry or construction wor... | 11/15/2005 |
| 6957499 | Depthometer A depthometer for measuring a length of an elongate line. A main wheel is mounted upon a main body component and is in communication with a registering mechanism. Line guides are mounted upon a lower body component. An inner handle connected to the main body compone... | 10/25/2005 |
| 6851199 | Football measuring device and method A football measuring device has a handle, a chain segment extending from the handle, and a bar mounted perpendicular to the handle. A removable clip is placed on the chain segment to mark the displacement of the football relative to the first down position. ... | 02/08/2005 |
| 6842992 | Building wall layout tool A building-wall-layout tool has a pair (29) of two line holders (1, 30, 31), each of which have spike legs (10, 12, 25) for being driven into ground material (13) proximate opposite ends (36, 42) of an intended wall (35) of ... | 01/18/2005 |
| 6829836 | Material dispensing apparatus with line level A material dispensing apparatus with line level for conveniently storing and providing access to a line level within a material dispenser. The material dispensing apparatus with line level includes a shoulder having a receiver cavity, a first catch member and a seco... | 12/14/2004 |
| 6817107 | Batter board apparatus Batter board apparatus for use in building construction, including first and second sleeve members hingedly connected and adapted to slidingly receive first ends of first and second elongated board members, respectively, for hinged movement between parallel position... | 11/16/2004 |
| 6678961 | Combined chalk line and articulated level device A combined chalk line and articulated level device (10) including a base member (20) having an enlarged vertical mounting face (22) that is fixedly connected to a conventional chalk line dispensing member (30) having a quantity of chalk line (31) that is ... | 01/20/2004 |
| 6581295 | Material dispensing apparatus with line level A material dispensing apparatus with line level for conveniently storing and providing access to a line level within a material dispenser. The material dispensing apparatus with line level includes a handle structure formed for removably receiving the lin... | 06/24/2003 |
| 6578274 | Construction layout block Construction layout block can be provided with a triangularly shaped body with a triangular bottom; a base wall and two side walls extending up from the bottom; base wall junctures formed about intersections of the base wall and the side walls, and an ape... | 06/17/2003 |
| 6490803 | Batter board A batter board for aiding in the placement and alignment of foundation lines and other structural elements. The batter board includes a main crossmember that has a slot along the top surface in which an alignment device slides for positioning an alignment... | 12/10/2002 |
| 6470581 | Dual chalk line marking device A dual chalk line marker device having two chalk line spools that are adjustably movable with respect to the housing or base. The spools are adjustable in order to vary the separation width between the chalk lines so that different widths of joist or roof... | 10/29/2002 |
| 6453574 | Method for aligning a cassette pod to an overhead hoist transport system A method for aligning a cassette pod on the loadport of a process machine to an overhead hoist transport (OHT) system is disclosed. The method can be carried out by marking a first standard reference line on a clean room floor to which the OHT system is a... | 09/24/2002 |
| 6421926 | Stringline guide system The present invention relates to a stringline guide system for setting required vertical and horizontal distances, while laying out and preparing a road, sidewalk, driveway or similar construction surface. The system is adapted for use with string, twine,... | 07/23/2002 |
| 6415518 | Apparatus for laying out a building foundation An apparatus for laying out a building foundation is provided. The apparatus according to the present invention includes a first member for engaging a wire and a second member mounted to the first member and movable between a range of positions. The secon... | 07/09/2002 |
| 6412184 | Masonry line block and corner pole A masonry line block is adapted for use in combination with a vertical corner pole during construction of a structure. The structure has an exterior surface and at least one surface projecting from the exterior surface. The line block engages the corner p... | 07/02/2002 |
| 6374504 | Rafter tool and method A rafter tool and method for laying out rafters includes a first support bracket attached to a speed square with graduated markings, a second support bracket, and a string extendable therebetween. A guide member may be integrally formed with the first sup... | 04/23/2002 |
| 6360445 | String line weight A portable weight for anchoring a line or string being used as a guide for marking pavement or for other construction type activities is disclosed. The portable weight includes a base made of a top plate and a bottom plate. A plurality of spikes project f... | 03/26/2002 |
| 5659967 | Line level A line level comprises a hollow housing having a pair of end portions and a sight opening formed therein. A liquid level indicator has a pair of closed end walls and is observable through the sight opening is slidably received in the housing. A line engag... | 08/26/1997 |
| 5621976 | Grade stake line cap device A device having a top end and a bottom end is characterized by a longitudinal bore extending into the device from the bottom end a particular distance and adapted for receiving a contractor's grade stake therein, which bore is intercepted at its top end b... | 04/22/1997 |
| 5361510 | Picture frame hanging wire applicator tool A picture frame hanging wire applicator tool includes an elongated body member, an end member attached to and projecting transversely from an end of the body member for holding the body member in relation to a top edge of a picture frame, and a series of ... | 11/08/1994 |
| 5357682 | Cornerbead alignment apparatus An apparatus for the alignment of an edge of a cornerbead including a first clip for attachment to an upper edge of a section of cornerbead, a second clip for attachment to a lower portion of the edge of the cornerbead, and a line connected to the first a... | 10/25/1994 |
| 5245555 | System for measuring vector coordinates A system for measuring coordinates of a vector in x,y,z Cartesian space includes a flexible non-elastic string spirally mounted upon a selectably positively and negatively rotatably tensioned drum, the drum having an axle of rotation and being positively ... | 09/14/1993 |
| 5207000 | Method and apparatus useful for determining an angle between a virtual optical axis and a planar surface A line is extended along a virtual optical axis of an objective lens. The line extends between a transparent plate, which is attached to the lens, and another transparent plate which is secured to a planar surface. The objective lens is part of an optical... | 05/04/1993 |
| 5173004 | Concrete pouring and leveling devices and method of using Concrete pouring and leveling devices and method of using them consisting of vertically placed rigid cylindrical tubes or pipes having reusable yokes inserted at their tops to support screed pipes placed horizontally along the predetermined desired elevat... | 12/22/1992 |
| 5142787 | Means and method for defining a layout A layout for a static structure, such as a building or the like, is defined using a plurality of triangles and a plurality of tethering cables. The layout is effected by measuring from a property line for a starting point and for a length of a base line. ... | 09/01/1992 |
| 5138771 | Three dimensional homologous surveying instrument A three-dimensional homologous surveying instrument includes a base with a spherical cover mounted thereon for receiving therein a shell holder, an intermediate spherical shell and an inner spherical shell with respective zero references set in a homologo... | 08/18/1992 |
| 5022158 | Wall marking layout device A layout tool includes an elongate rectangular shaped body having opposed upper and lower surfaces, opposed end surfaces and opposed front and rear surfaces. The layout tool is formed of a dense material and has a U-shaped handle detachably secured theret... | 06/11/1991 |
| 4932134 | Adjustable foundation locating device An adjustable foundation locating device used to position or locate forms and trenches needed for pouring concrete foundations. The device uses a horizontal member which is supported by a stake driven into the ground. The horizontal member may be moved up... | 06/12/1990 |
| 4924579 | Layout system for construction foundation placement A method and apparatus for laying out foundations prior to construction. Ideally, two stakes are provided for each corner to be formed in a construction project and line extends from each corner to an adjacent corner. Each stake is configured with a clamp... | 05/15/1990 |
| 4921507 | Layout device A layout tool includes a container having elongate generally rectangular-shaped front and rear walls, rectangular end walls, and a horizontal bottom wall. An opening extends through the central portion of the front adjacent its lower edge and extends into... | 05/01/1990 |
| 4802283 | Heading and distance measuring device and method A navigation device comprises a flat substrate, a compass rose carried on the substrate, an elongated cord affixed at one end to the center of the compass rose and at least one linear distance scale on the substrate having its origin coincident with the c... | 02/07/1989 |
| 4798003 | Thread measuring device A thread meter comprising a holder for a thread reel, a counter provided with a rotary measuring wheel and guides for a thread, and an outer casing for enclosing said details. The invention is characterized in that a first guide (19) for a thread (20) is ... | 01/17/1989 |
| 4731933 | Protractor-chalkline A chalkline device situated on a protractor in such a manner which permits the chalkline string to extend from the centerpoint of the protractor's radius past the degree markings on the protractor. By placing the centerpoint side of the protractor on any ... | 03/22/1988 |