...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 7367165 | Moisture control strip A wall is provided comprising an inner wall component, an outer wall component, and a plurality of the moisture control strips described above, disposed between the inner wall component and the outer wall component. The projections on the first wall component contac... | 05/06/2008 |
| 7299598 | Fastener for lightweight concrete roof systems A device for use in the installation of lightweight concrete roof systems includes a base element having a substantially flat portion and a wire tie. The wire tie extends from the base element and terminates at opposite ends which may be formed in a ring or loop. In... | 11/27/2007 |
| 7228661 | Rapid steel frame assembly A framing assembly system for steel building that substantially reduces assembly time while maintaining excellent strength and mechanical integrity and has vastly improved resistance to uplift forces. Foundation assemblies or anchor structures are first precisely lo... | 06/12/2007 |
| 7028445 | Method of constructing a concrete slab A method constructs a concrete building slab by loosening the soil on which the concrete building slab is to be constructed to at least a predetermined loosening depth so as to expand the soil upwards, driving a plurality of piles into the soil in predetermined resp... | 04/18/2006 |
| 7017313 | Ceiling leak capture and drainage system A fluid leak capture and drainage system for ceiling leaks which includes a ceiling panel support grid and a plurality of ceiling panels mounted thereon is disclosed. The ceiling panel has at least one raised section located within the panel and a wall extending alo... | 03/28/2006 |
| RE38950 | Waterproof decking method and apparatus A waterproof deck includes a deck subflooring supported on joists adjacent a building, a flashing adjacent a building, and a drip edge attached along the edge of a subflooring where the water runs off the deck. An elastomeric waterproofing material covers the subflo... | 01/31/2006 |
| 6922963 | Moisture and condensation barrier for building structures Moisture and condensation barriers for protecting wood from damage in building structures (particularly but not necessarily in flooring systems) include a liquid rubberized coating material coated onto some of the wood or a barrier sheet having a petroleum-based tar... | 08/02/2005 |
| 6510667 | Wall member and method of construction thereof A process for constructing a wall, floor or ceiling in situ. The process includes the steps of erecting a substantially rigid frame (10) and attaching fiber reinforced cementitious sheets (50) to the front and rear faces of the frame to form a void (60) t... | 01/28/2003 |
| 6474031 | Weephole drainage aid and pest barrier Devices and methods for protecting weepholes in brick veneer structures against insects and other pests while still allowing drainage and for helping prevent mortar portions and other objects from blocking the weepholes. A weephole device is described tha... | 11/05/2002 |
| 6401412 | Metal roof system A roof system for sloped metal roofs utilizing plywood decking, corrugated metal panels and one or more spacers disposed between the decking and metal panels for holding the metal panels vertically above the decking. The spacers have a planar top section,... | 06/11/2002 |
| 6385932 | Streamlined weep screed A weep screed for use in exterior construction has a vertical member and upper and lower outwardly projecting flanges affixed to the vertical member. The vertical member is adapted to be form-fit to the base of a vertical wall overlying a concrete foundat... | 05/14/2002 |
| 6344253 | Leakproofing article for building use The present invention concerns a manufactured article impervious to water, the water being rain water, water coming from a water-bearing stratum, and/or from concrete. The manufactured article of the invention may be used in building of habitations, facto... | 02/05/2002 |
| 6318041 | Panel system with moisture removal An insulation panel includes a first surface, a second surface opposite the first surface, a first side, a second side, a third side opposite the first side, and a fourth side opposite the second side. The first, second, third, and fourth sides define a p... | 11/20/2001 |
| 6298621 | Device for intercepting stagnant water A stagnant-water intercepting device for disposition in earthworks is formed by an intercepting member and two auxiliary intercepting plates. The intercepting member has a semi-cylindrical center portion and two side wing portions. The semi-cylindrical ce... | 10/09/2001 |
| 6256955 | Apparatus and method for debris-collecting in masonry cavity walls A mesh device for retaining mortar and other debris within a mortar-cavity-wall so as to prevent such material from falling in front of and hence blocking the "weep holes" placed at the bottom of such a wall to permit the egress of moisture condensate tha... | 07/10/2001 |
| 6178710 | Water permeable slab invention A breathing system for a steel reinforced concrete slab or pile slab allows water to penetrate the slab from both directions, upward and downward, thereby relieving any water pressure differential across the slab. This minimizes stresses on the slab, and ... | 01/30/2001 |
| 5822938 | Structural element for thermal insulation A structural element for thermal insulation between two structural elements to be covered with concrete, especially a building and a projecting external part, has an insulating body to be inserted in between the structual elements and has at least integra... | 10/20/1998 |
| 5787668 | Ventilated insulated roofing system with improved resistance to wind uplift A composite roofing system in which a layer of polystyrene or polyurethane foam insulation board is encased in layers of lightweight insulating concrete and the surface of the foam insulation board is roughened to strengthen the interfacial bond with the ... | 08/04/1998 |
| 5761858 | Permanent form for placing basement concrete wall A permanent form for placing a basement concrete wall includes a percolation layer and a water-conduit channel for discharging water leakage or the like from a basement concrete wall. If the basement concrete wall is placed using the form, the percolation... | 06/09/1998 |
| 5623793 | Permanent form for placing basement concrete wall A permanent form for placing a basement concrete wall includes a percolation layer and a water-conduit channel for discharging water leakage or the like from a basement concrete wall. If the basement concrete wall is placed using the form, the percolation... | 04/29/1997 |
| 5460033 | Corrosion condition evaluation and corrosion protection of unbonded post-tension cables in concrete structures There is disclosed a method and apparatus for the corrosion condition evaluation of unbonded prestressing elements in post-tension concrete structures. The method involves locating a prestressing element in the structure and providing at least two opening... | 10/24/1995 |
| 5274968 | Building block for use with flashing and arrangement for weeping condensation A construction unit includes weep openings through a front wall, side walls, and a center web, and at least one slot extending parallel to a rear wall to receive a flashing member, the slot being defined at least partially by the rear wall. An insert memb... | 01/04/1994 |
| 5100586 | Cementitious hazardous waste containers and their method of manufacture Novel cementitious containers for storage of hazardous waste are disclosed having an inner layer of substantially unhydrated cement in contact with the hazardous waste and an outer layer of hydrated cement. Cementitious hazardous waste containers may be p... | 03/31/1992 |
| 5009047 | Chimney crown mold A mold is provided for use in forming a chimney crown on the top of a chimney shell. The mold includes four side sections and four corner sections which are assembled together to form a complete unit. Each side section and each corner section has a base f... | 04/23/1991 |
| 4852319 | Combination void drain vent chain A combination void drain vent chair for use in the construction of voided concrete shapes, including an elongated tube connecting the interior of the void form to the exterior of the concrete shape, and including a flat flexible member surrounding the upp... | 08/01/1989 |
| 4697399 | Universal deck A deck structure is disclosed in which overlapping and interlocking corrugated members, each formed from a single sheet of metal, are covered with a layer of concrete. Each corrugated member has at least one longitudinally extending valley along one side ... | 10/06/1987 |
| 4302918 | Plug A plug adapted to be inserted into the open end of a channel of a concrete slab which is provided with a plug portion having a perimeter conforming to the cross section of the channel and of smaller diameter than the cross section of the channel, the plug... | 12/01/1981 |
| 4189886 | Ventilated insulated roofing system Moisture entrapped within roofing systems of the type wherein a layer of normally low-permeance, cellular plastic insulation board (e.g. foamed polystyrene) is employed in conjunction with at least one layer of moisture-bearing construction material (e.g.... | 02/26/1980 |
| 4120131 | Building structure This invention relates to a sheet metal structural shape for use in building construction having a generally box shape with outwardly extending flanges at one end of the substantially parallel sides and inwardly extending flanges at the other end of the p... | 10/17/1978 |
| 4078348 | Construction panels for structural support systems A construction panel is provided comprising a core of expanded or foamed polymeric material embodied between two major face members of resin reinforced with glass fibers. The side walls of the panel comprise pultrusion angle members which are encapsulated... | 03/14/1978 |
| 4059936 | Panel construction for roofs and the like A panel construction for roofs and the like is disclosed for use as an insulated structural roof deck and insulated structural wall which includes panels capable of being readily handled, the panels being attached to and supported by spaced long span bar ... | 11/29/1977 |
| 4003211 | Methods and apparatus for constructing tunnels In a tunnel driving apparatus which employs hydraulic rams for advancing a shield in the direction of tunnel advancement, a thrust ring is used as a support for the rams. Lining sections are installed at the rear side of the thrust ring as the latter is s... | 01/18/1977 |
| 3965635 | Prefabricated building panel and method of making A method for making a building panel and the panel made by the steps which include laying a mold form horizontally, laying bricks in the pattern indicated in the mold form and depositing a fibrous and cementitious mixture in the spaces between the bricks ... | 06/29/1976 |
| 3933546 | Method for draining water or moisture from substratum for waterproofing layer A method for draining water or moisture from a substratum for a waterproofing layer in buildings comprising applying to the substratum such as concrete or mortar a sintered product of a thermoplastic resin, having a capillary structure comprising numeral,... | 01/20/1976 |