Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8151532 | Construction assembly of skim coated prefabricated elements and jointing material, a kit therefor, and method of assembling the same A construction assembly for interior works including prefabricated elements, wherein the prefabricated elements include a coating layer formed of at least one skim coat deposited on the prefabricated elements by a coating device; and at least one jointing material, ... | 04/10/2012 |
| 7841146 | Product and method for concealing joints Materials and methods are provided to quickly and conveniently conceal drywall seams, corner joints and nail and screw holes or other imperfections in drywall material. ... | 11/30/2010 |
| 7836652 | System and method for sealing joints between exterior wall panels Buildings and walls are commonly constructed with exterior walls composed of specially treated engineered wood panels, cement panels, fiber cement panels, glass-matt-faced gypsum panels, and gypsum/cellulose sheathing panels. The spaces or edges between these exteri... | 11/23/2010 |
| 7591113 | Plasterboard Plasterboard is surfaced with a lining paper which is printed over the whole of one face of the board using an ink containing binder and particulate solid material, applied with a density of print such that under optically examination at least 80% of the surface of ... | 09/22/2009 |
| 7337587 | Construction assembly of plaster boards and a method of assembling a plurality of plaster boards A construction assembly includes a plurality of plaster boards, each of the plaster boards having a plaster body and at least one sheet of liner, the liner including an inner surface attached to the plaster body and an outer surface having an outer face; wherein sai... | 03/04/2008 |
| 7331149 | Drywall backing apparatus and method of installing same A method and apparatus for installing backing in walls which include a first, second and third upright U-shaped stud. A first backing member has a first end, a second end, a top, a bottom, a first side and a second side. The first backing member is disposed between ... | 02/19/2008 |
| 7284357 | Method of creating barrier to fluid flow under concrete surface coat of concrete floor A barrier to fluid passage is embedded within, instead of atop, porous material to retain the durability of the surface of the porous material. In one embodiment, a thin set mortar is applied to a concrete slab. A pleated metal foil is pressed into the wet mortar an... | 10/23/2007 |
| 7254894 | Method of cutting and installation of building boards A building board such as a gypsum board is provided for use in construction of commercial and residential building the board having opposed parallel surfaces, one having spaced apart transverse markings and the other having spaced apart longitudinal markings. Each m... | 08/14/2007 |
| 7208225 | Prefabricated plaster board The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards... | 04/24/2007 |
| 7165373 | Drywall finishing system A non-slip, nocoat drywall finishing system for finishing inside and outside corners of any angle, the finishing system being a pre-formed, continuously extruded trim piece comprising a semi-rigid member that can be relatively thick in the center and tapers laterall... | 01/23/2007 |
| 7159368 | Panelized wall system utilizing joint tape Disclosed herein are panelized wall systems and methods for their construction, wherein the wall systems have elastomeric joints that are resistant to cracking. The walls are constructed with an elastomeric joint tape. The joint tape is made from an elastomeric back... | 01/09/2007 |
| 7155868 | Caulkless panelized wall system Disclosed herein are caulkless panelized wall systems and methods for their construction, wherein the wall systems have elastomeric joints that are resistant to cracking. Building panels are fastened to a frame with the edges adjacent to each other. No caulk is appl... | 01/02/2007 |
| 7141284 | Drywall tape and joint Drywall tapes, drywall joints and methods for their construction are provided by this invention. The drywall tape of this invention includes a web of glass fibers and a coating disposed over a portion of the glass fibers. The coating includes a resinous binder which... | 11/28/2006 |
| 7137231 | Drywall bead with knurled paper flaps and method of making same A drywall joint assembly strip device comprised of an elongate core having a cover bonded to its exterior surface and extending beyond its longitudinal edges to form flexible flaps in which longitudinal, parallel grooves and ridges and/or spaced-apart perforations a... | 11/21/2006 |
| 7127862 | Connectors, tracks and system for smooth-faced metal framing A novel system for constructing smooth-faced metal framing and novel connectors therefore. The system and connectors of the present invention utilize known metal framing or wall studs that demonstrate a U-channel configuration having a base, sidewalls and marginal l... | 10/31/2006 |
| 7036284 | Stucco casing bead An improved curtain wall casing bead for installation on buildings having stucco or similar curtain wall exteriors. The improved curtain wall casing bead incorporates a mesh attached to at least the base portion of the casing or starter bead, which mesh extends beyo... | 05/02/2006 |
| 7028444 | Support device for orthogonal mounting of sheet material A sheet material support device that is attachable to studs, joist, beams or other suitable framing components and that facilitates mounting orthogonal junctions of sheet material pieces without need of multiple studs is described. The device includes a fastener-rec... | 04/18/2006 |
| 7024733 | Anchor device for a beach towel having a towel attachment mechanism and method therefor A device for securing a towel to ground so the towel will not be blown away has a first anchor device coupled to a first end of the towel and a second anchor device coupled to a second end of the towel. The first anchor device and the second anchor device are couple... | 04/11/2006 |
| 7021018 | Panelized wall system utilizing adhesive-edge building panels Disclosed herein are panelized wall systems and methods for their construction, wherein the wall systems have elastomeric joints that are resistant to cracking. The walls are constructed with adhesive-edge building panels. The adhesive-edge building panels are prefe... | 04/04/2006 |
| 6997640 | Backer rod for expansion joints A backer rod adapted for insertion into a construction joint having a polymeric foam body of closed-cell construction and a foraminous skin with both open and closed cells. The backer rod, when compressively inserted into a construction joint, is impervious to hot a... | 02/14/2006 |
| 6931799 | Anchoring profile, a frame assembly and a method for securing a pane against An anchoring profile (1) for securing a pane (9) mounted in a frame (8) and protected against impact by window film (11). For ease of installation and to reduce costs, the profile (1) comprises two outer strips of substantially rig... | 08/23/2005 |
| 6912824 | Apparatus, composition and method for finishing a drywall installation An apparatus and method are disclosed for finishing a drywall installation which includes providing drywall mud; providing a continuous twisted strand having a plurality of layers of nonwoven fibrous cellulosic material, wherein at least one individual layer of the ... | 07/05/2005 |
| 6851233 | Cast log structure A structural system includes a plurality of structural elements. Each of the elements includes an interior layer, an exterior layer, and an insulating layer between the interior layer and the exterior layer. The structural elements are stacked adjacent to one anothe... | 02/08/2005 |
| 6829806 | Anchor device for a beach towel having a towel attachment mechanism and method therefor A device for securing a towel to the ground so the towel will not be blown away by the wind is comprises a first anchor devices coupled to a first end of the towel and a second anchor device coupled to a second end of the towel. The first anchor device and the secon... | 12/14/2004 |
| 6694692 | Modular formwork elements and assembly A modular assembly for creating formwork for casting vertical concrete structures is characterized by elongated wall elements which are disposed in edge to edge relationship in two facing rows and which are simultaneously retained in edge to edge relation... | 02/24/2004 |
| 6663930 | Chemical resistant adhesive composition Gel formation is prevented in the reaction between a sulfonyl-chloride-containing resin and a polyamine by first forming an adduct between the resin with an aminophenol. The prevention of gel formation enables sulfonyl-chloride containing resin to be used... | 12/16/2003 |
| 6615557 | Break apart drywall finishing system A drywall finishing system where a continuously extruded, elongated semi-rigid member with an inner and outer layer of fibrous material has a groove running end-to-end allowing the piece to assume any angle to match a drywall seam. The groove is held at a... | 09/09/2003 |
| 6526715 | External wall construction An external wall construction includes a building framework of a building and a bearing wall constituted with a plurality of ceramic type external wall panels to be fixed to the building framework. The external wall panels are formed by backing resin shee... | 03/04/2003 |
| 6506466 | Adhesive vapor barrier tape for a ridge purlin The present invention relates to a single-sided adhesive vapor barrier tape 1 having a vapor barrier strip 2 which has a width BD between 40 cm and 100 cm and, on each of its two long edges 3, has a single-sided adhesive vapor barrier strip 4, each adhesi... | 01/14/2003 |
| 6497078 | Adhesive composition for chemically inert substrate A unique adhesive composition consisting of two parts, a resin and a curing agent, is disclosed. The composition has good adhesion to chemically inert substrates, both flexible and rigid. It is useful for sealing discontinuity in concrete slabs, tanks, de... | 12/24/2002 |
| 6447872 | Reinforced corner bead A flexible and resilient plastic corner bead of the type used in the installation of gypsum, foam and other similar construction board comprising a pair of integral flanges joined by an integrally formed plastic hinge and having adhered to at least one su... | 09/10/2002 |
| 6415578 | Method and apparatus for bricklaying The invention provides a device that may be used to quickly lay bricks to form a wall at a construction site. The device permits multiple layers of bricks to be quickly aligned and laid to form a mortarless wall. Mortar may be subsequently applied to the ... | 07/09/2002 |
| 6363673 | Drywall trim piece A trim piece for installing at a drywall external right angle corner which is provided with a bullnose corner bead includes an intermediate portion which wraps over the convexly curved portion of the bullnose corner bead and has two edges extending parall... | 04/02/2002 |
| 6349519 | Apparatus for securing sheeting A batten for securing sheeting to a substrate is comprised of a lengthwise strip having fastening surfaces thereon. The fastening surfaces are spacially related along the length of the strip to coincide with the spacial relationship present between struct... | 02/26/2002 |
| 6332296 | Corner apparatus and method for forming corners of wallboard constructed walls A corner apparatus for forming inner or outer corner areas of wall structures. The apparatus comprises an elongated corner section having two planar panel portions attached by a living hinge. The two panel portions and living hinge are extruded from a hig... | 12/25/2001 |
| 6253514 | Pre-cured caulk joint system A pre-cured caulk joint system including a joint having a width and opposite walls, an insert being formed of a flexible material and having a length and a width, and an adhesive. The width of the insert being greater than the width of the joint, the inse... | 07/03/2001 |
| 6226957 | Drywall joint system A joint is formed between adjacent sheets of wall board, particularly in the fabrication of ceiling assemblies in manufactured housing, by applying a pressure-sensitive imperforate paper tape, burnishing it, wetting it, and then applying flexible joint co... | 05/08/2001 |
| 6226946 | Self-adhesive drywall tape for fire wall An unperforated base layer has a pressure-sensitive adhesive on one side, and a release layer on the other to form a tape which may be applied from a self-wound roll to the seam between two fire-rated gypsum wall board panels to form a fire wall structure... | 05/08/2001 |
| 6219984 | Interconnectable formwork elements Interconnectable formwork elements for casting vertical concrete structures adapted to interconnect to one another along their longitudinal sides to create a formwork for casting concrete to form a wall other vertical structure.... | 04/24/2001 |
| 6212836 | Self-aligning drywall corner bead A corner bead comprising an arcuately profiled elongated central portion having two lateral edges and defining a concave and a convex surface, flanges extending from each of the lateral edges and unitarily formed therewith. The concave surface includes a ... | 04/10/2001 |
