...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7017309 | Waterproof sealing system for a building foundation The subject invention is a sealing system for a building structure to protect the building foundation from moisture penetration, said system comprising a layer of waterproof lining placed under the foundation and adjacent to the outer walls of the foundation or the ... | 03/28/2006 |
| 6868643 | Integrated system for controlling water intrusion and air movement through exterior wall construction An integrated moisture/air barrier system that serves to mitigate the penetration of water and air around or through various types of exterior wall building sheathing products such as plywood, OSB, gypsum board, cement board, rigid foam boards and foil-faced composi... | 03/22/2005 |
| 6790924 | Method for protection of stone with fluorinated urethane This invention relates to the application of fluorinated urethane compositions to stone in order to protect the stone from the deleterious effects of water and pollution. ... | 09/14/2004 |
| 6703331 | Fungus resistant gypsum-based substrate The present invention relates to a fungus resistant gypsum board, made of first and second polymeric fibrous sheets with a gypsum core sandwiched there between. The gypsum core containing less than 0.03% of formulation additives that serve as fungus nutri... | 03/09/2004 |
| 6492459 | Aqueous creams of organosilicon compounds The invention relates to a stable aqueous cream consisting of the following components: (A), which is selected from (A1) C1 -C20 -alkyl-C2 -C6 -alkoxysilanes and (A2) organopolysiloxane containing alkoxy groups;... | 12/10/2002 |
| 6453628 | Architectural waterproofing membrane and termite barrier A prefabricated barrier for providing protection to subterranean walls and other structural members against both penetration by water and by termites, are disclosed. The barrier has a tacky and waterproof compound, preferably an asphaltic compound, protec... | 09/24/2002 |
| 6298610 | Architectural waterproofing membrane and termite barrier A prefabricated barrier for providing protection to subterranean walls and other structural members against both penetration by water and by termites, are disclosed. The barrier has a tacky and waterproof compound, preferably an asphaltic compound, protec... | 10/09/2001 |
| 6182412 | Architectural waterproofing membrane and termite barrier Several embodiments of a prefabricated barrier for providing protection to subterranean walls and other structural members against both penetration by water and by termites, are disclosed. The barrier has a tacky and waterproof compound, preferably an asp... | 02/06/2001 |
| 5996304 | Coating composition and method A blend of bonding polyester with an acid resistant polyester and heat dispersant filler providing a liner especially suitable for concrete structure subjected to acidic environments. The blend can also be used in combination with aggregate or fibers to b... | 12/07/1999 |
| 5993966 | Cord impregnated with rodent repellent A cord is impregnated with a rodent repellent such as an N,N-dialkyl-sulfenyl dithiocarbamate. The impregnated cord can be positioned along an elongated member, such as a buried electric cable, to protect the elongated member from damage by rodents. Prefe... | 11/30/1999 |
| 5979123 | Protective shield for building construction A protective shield formed of sheet material is provided for placing between the wood-to-concrete foundation interface of a building. A portion of the shield positions the lower edge of a substrate siding and a finish layer. A sealant is provided between ... | 11/09/1999 |
| 5918427 | Termite shield for permeable sheathing A termite shield includes two parallel planes of barrier material separated by perpendicular connecting strips to hold the barriers a fixed distance apart until completion of the wall fixes their positions. The strips can then be removed or bent back to p... | 07/06/1999 |
| 5782041 | Column protector deterring unauthorized climbing access by human being A guard (12) for a column (10) includes a flexible metal sheet (14) having a plurality of individual barblike means (20) extending outwardly from a common major sheet surface with each barblike means (20) having four sidewall points (28) extending in resp... | 07/21/1998 |
| 5746031 | Wild fire suppressor for utility poles A wild fire suppressor includes a base wrap, including a fire-resistant, groundcontour-following base panel for installation about the base of a utility pole, and base panel anchors for holding the base panel in place on the ground. A pole wrap includes a... | 05/05/1998 |
| 5557896 | Method of employing an extruded open-cell alkenyl aromatic foam in roofing systems Disclosed is a roofing system for a structure such as a building. The system comprises a roof deck; a plurality of panels of an extruded alkenyl aromatic polymer foam above and adjacent the deck; and a substantially waterproof membrane above and adjacent ... | 09/24/1996 |
| 5534303 | Coating solution for treating basement walls A solvent mixture of a petroleum distillate and toluene is disclosed. The solvent is used to dissolve a hydrocarbon resin and block copolymers of styrene and isoprene or styrene and butadiene and the solution is applied to newly constructed basement walls... | 07/09/1996 |
| 5442884 | Fire-rated corner guard structure A fire-resistant wall structure is provided with a recessed corner guard, for absorbing impact forces, particularly at an external corner. To compensate for the relative loss of fire-resistance capability, in the area in which the wall structure is recess... | 08/22/1995 |
| 5357726 | Composite materials for structural end uses A flexible, reinforced textile composite material for constructing tensioned fabric structures, e.g. for sheltering from the outdoor environment, is disclosed. The material has a hydrophobic protective film element laminated to the textile composite mater... | 10/25/1994 |
| 5138806 | Protection of wooden posts and masts A wooden post of mast which has been or is going to be sunk into the ground, is protected particularly in the transition zone between soil and outer atmosphere, by synthetic ribbon shrunken onto the wooden post carrying between it and the wood, upper and ... | 08/18/1992 |
| 5126076 | Low-flammability structural elements, particularly boards, and process for constructing them The invention relates to low-flammability structural elements, particularly boards, and to a process for constructing them. The low-flammability structural elements are constructed utilizing combustible plastics waste material. They contain in addition no... | 06/30/1992 |
| 5083408 | Wood preservation method and preservation means for use in said method The invention relates to a wood preservation method comprising applying a tubular or rod shaped wood preservation device in a hole drilled in a wood construction to be preserved. The wood preservation device comprising a wrapping device of capillary, hygr... | 01/28/1992 |
| 4554862 | Roof ridge ventilator for retarding microbe growth in shingle roofs A roof ridge ventilator for the roof of a building having a shingled roof. The ventilator is formed substantially of zinc metal and has a longitudinally extending series of closely spaced drain hole punchings in the baffles thereof which are constructed a... | 11/26/1985 |
| 4520051 | Method of waterproofing a porous wall A method of waterproofing a porous wall of a subterranean vault as provided by propelling a moisture activated, room temperature curable, pourable, self-leveling dimethylpolysillxane or dialkylpolysillxane which are generally referred to as silicone or TV... | 05/28/1985 |
| 4478975 | Compositions and process for the oilproofing and waterproofing treatment of construction materials The invention concerns the oilproofing and waterproofing treatment of construction materials by applying to them a composition which comprises by weight: (A) from 0.1 to 25% of a fluorinated copolymer formed from (1) 5 to 70% of a fluorinated ester of the form... | 10/23/1984 |
| 4404778 | Metal strip for preventing invasion A barbed metal tape or strip for preventing invasion of any bird, animal or unauthorized person into a building, or the like comprises a multiplicity of V-shaped projections extending from its surface substantially perpendicularly thereto, and positioned ... | 09/20/1983 |
| 4357384 | Composite structures, new adhesive, and cement composition A composite structure is disclosed, wherein the structure includes an interior substrate or facing, a layer of rigid insulation, and an exterior facing or cementitious layer, with an adhesive adhering such insulation at least to the interior substrate or ... | 11/02/1982 |
| 4312908 | Composite structures, new adhesive, and cement composition An insulating structural panel comprising a layer of rigid insulation of at least one inch thickness sandwiched between two adhered facings of at least 1/16 inch thickness wherein at least one of said facings is adhered to the insulation by an adhesive wh... | 01/26/1982 |
| 4276732 | Device for killing moss A device for killing moss on rooftops comprises an elongated bimetallic trough for horizontal positioning along a rooftop to catch rainwater. In one embodiment the walls of the trough include a layer of copper and a layer of lead sandwiched together. Smal... | 07/07/1981 |
| 4269008 | Device to keep birds from alighting on buildings A device to repel birds from nesting on buildings and the like includes a series of closely spaced, upwardly extending structures surmounted with pyramids, the angles of which are such that a prism effect is created which serves to optically frighten the ... | 05/26/1981 |
| 4256804 | Waterproof coating composition A waterproof elastic coating composition, and coated substrates, having a dried coating of such composition, is disclosed, wherein the coating is polymer rich, has a pigment volume concentration no greater than 10, an ultimate elongation of at least 250% ... | 03/17/1981 |
| 4190734 | Cable pedestal rodent guard system, method of constructing same, and kit and composition A pedestal enclosure for above ground extensions of underground cables in combination with a rigid, foamed, cell-developed, insulating, polymeric, thermosetting, plastic material in which a substantial number of the cells contain encapsulated therein a ga... | 02/26/1980 |
| 4185141 | Production of coated structural elements comprising inorganic binders In the production of a coated structural element by producing a workable composition of an inorganic binder and water, forming the composition into a structural element, providing an inorganic salt at least on the surface of the structural element, applyi... | 01/22/1980 |
| 4171463 | Rodent proof cable An electric cable assembly and method for protecting an electric cable assembly for rendering the cable repellent to rodent attacks. A non-lethal toxic chemical, such as lithium chloride, which produces lithium ions when dissolved in the saliva of an anim... | 10/16/1979 |
| 4169088 | Protective coating and method of applying The invention is directed towards an improved sealing solution and in particular anti-graffiti solutions. The solution is formed by combining a suitable polyvinyl alcohol with a solution or emulsion of acrylic resin to form a partially cross-linked shared... | 09/25/1979 |
| 4146672 | Waterproof coating composition A waterproof elastic coating composition, and coated substrates, having a dried coating of such composition, is disclosed, wherein the coating is polymer rich, has a pigment volume concentration no greater than 10, an ultimate elongation of at least 250% ... | 03/27/1979 |
| 4141755 | Masonry construction member impregnated with a copolymer of hydroxy alkyl acrylate or methacrylate with long chain alkyl acrylate or methacrylate Water insoluble, hydrophilic copolymers of 50 to 98% of hydroxyalkyl acrylate or methacrylate wherein the alkyl group has 2 to 3 carbon atoms with 2 to 50% stearyl acrylate or methacrylate are prepared. They are particularly effective for sealing and coat... | 02/27/1979 |
| 4117197 | Production of coated building components In the production of a coated building component comprising the steps of mixing an inorganic binder, water and aggregate to produce a workable mass, molding said mass into a preformed component, applying to the preformed component an aqueous paste contain... | 09/26/1978 |
| 4102093 | Insect control system An insect control system for buildings of masonry construction and the like comprises a perforated, flexible resilient sheet member of width and height each greater than the width and height respectively of the weep hole with which it is to be used; and a... | 07/25/1978 |
| 4002691 | Polycyclic compounds Tricyclo[4.2.1.02,5 ]non-7-enes wherein the 3 position is substituted by a methylol group may be made by reacting a bicyclo[2.2.1]hepta-2,5-diene with a 2-alkenyl magnesium compound in a 1:1 ratio to yield a molecular addition product which is ... | 01/11/1977 |