Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8122677 | Method and system for constructing a concrete waterstop joint and use of a cementitious and reactive waterproofing grout strip A method and system for constructing a concrete waterstop joint between first and second concrete portions. The method may include applying a continuous longitudinal cementitious and reactive waterproofing grout strip to a joint area of the first concrete portion an... | 02/28/2012 |
| 8001744 | Method of grouting commercial kitchen floors using a two-part reactive epoxy grout A process for grouting floors using a two-part reactive epoxy grout formulation comprising two distinct components (parts) which can utilize a two-part cartridge for storing, metering and having a means of attaching a static mixer tube to the front of the cartridge ... | 08/23/2011 |
| 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 |
| 7303068 | Polymer grout compositions The present invention relates to a one-part polymer grout composition tintable to any desired color upon request, as well as to a method of tinting the grout composition. Advantageously, the present one-part polymer grout compositions may be tinted using any of the ... | 12/04/2007 |
| 7157119 | Method and compositions for applying multiple overlying organic pigmented decorations on ceramic substrates A pigmented curable composition adapted for decorating ceramic substrates (e.g., glass bottles) comprises curable organic binder and solid spherical particles (glass or polymer) having diameters of 10 to 50 microns for facilitating overprinting of additional layers.... | 01/02/2007 |
| 7044170 | Hydraulic cementitious composition with improved bleeding resistance A method of making a grout composition which reduces the amount of bleed water from grout used in bonded post-tensioned concrete applications is provided. The method includes forming the grout composition by combining copolymers with other materials into a hydraulic... | 05/16/2006 |
| 7007430 | Method for impeding transverse relative displacements of a pipe and at least one cable A method impedes transverse relative displacements of a pipe (2) and at least one cable (3) which extends in this pipe (2), and doing so with a certain transverse play (4). The method has the steps of: selecting at least one portion (8... | 03/07/2006 |
| 6959771 | Abrasive and boring method using the same The present invention relates to an abrasive that decreases the heat generation by a core bit due to boring and allows the boring of a deep hole while maintaining the boring speed even when a deep hole is cut using a dry method. This abrasive contains abrasive grain... | 11/01/2005 |
| 6881768 | Water-based epoxy grout A tile grout composition and method of using the tile grout composition to grout set tiles are provided. The tile grout composition is a water-based epoxy grout composition which has excellent stain and chemical resistant properties and is workable and easy to clean... | 04/19/2005 |
| 6862862 | Pressure injection of flexible polymer grout into slate roofs A method is presented for extending the lives of existing slate, fibrous cement and clay tile roofs. The method involves injecting an especially formulated, polymer material into the spaces and voids of adjoining tiles. The injection process uses pumping equipment w... | 03/08/2005 |
| 6840019 | Method and apparatus to achieve consistent spacing between layers of modular construction A spacer is provided that includes at least one rail of plastic, steel, rebar, or the like that runs along a top surface of a modular construction material such as a brick or block. At least one transverse rail is connected to the length-running rail. The transverse... | 01/11/2005 |
| 6792735 | Advanced processes for coring and grouting masonry Advanced masonry coring systems for coring and grouting masonry walls are disclosed in this patent. The systems include rotating machinery and a drill column in the form of a cylindrical double-piped string of pipe sections, rotating a cylindrical drill body. The dr... | 09/21/2004 |
| 6698156 | Method and apparatus for hollow metal fabrication A method and apparatus for constructing hollow metal frames having a grout filled interior is disclosed. An apparatus includes a substantially planar body having an upper and lower surface. The upper surface includes at least one grip. The lower surface i... | 03/02/2004 |
| 6681540 | Device for forming an expansion joint in a floor surface Disclosed is a unitary resilient insert member for filing an expansion joint gap formed between adjacent concrete slabs, floor tiles, or the like wherein the insert member consisting essentially of a preassembled wedge shape form. Also disclosed is a meth... | 01/27/2004 |
| 6513300 | Wall cladding anchorage A wall cladding anchorage has a rod with ends loosely enveloped by fabric sleeves. The wall is drilled to receive one end and the cladding is drilled, or otherwise formed with a cavity, to receive the other end. Either the wall or the cladding may have th... | 02/04/2003 |
| 6505450 | Masonry reinforcement system A masonry reinforcement system includes a number of tensioning rods extending from the top to the bottom of a masonry wall structure in spaced columns. In each column, several rod segments are interconnected at each floor diaphragm using a double conical ... | 01/14/2003 |
| 6499268 | Reinforcing structures A brick or masonry structure is drilled to receive an elongate reinforcing assembly comprising a core with one or more fabric sleeves over most of its length. The sleeves are injected with grout that seeps through the fabric to bond to the drilling wall. ... | 12/31/2002 |
| 6405992 | Pregrouted baseplate for supporting rotating machinery A pregrouted base plate and the method of its use and construction with rotating machinery such as pump and electric motor assemblies that are coupled together by a pair of shafts and require precise alignment of those shafts for a long and dependable ser... | 06/18/2002 |
| 6405508 | Method for repairing and draining leaking cracks in basement walls A method for repairing and concealing a crack in the interior surface of a basement wall, and for draining water admitted through the crack into a drain at the base of the wall. The method involves the steps of covering the crack, along the length thereof... | 06/18/2002 |
| 6309493 | Method for filling cracks in a concrete structure with foamable polyurethane prepolymer A method for filling cracks in concrete surfaces using a one-component, hydrophilic polyurethane prepolymer without the addition of any granular impregnating agents The prepolymer is provided in a hand-held aerosol container and is injected into the crack... | 10/30/2001 |
| 6254811 | Organopolysilozane compositions crosslinkable with elimination of alcohols to give elastomer Alkoxy RTV-1 compositions comprise the product of the reaction of (A) an HO-terminated organopolysiloxane, (B1) an alkoxysilane which has at least three alkoxy groups and/or its partial hydrolysates, and (B2) an alkoxysilane which has two alkoxy groups and/or its p... | 07/03/2001 |
| 6189281 | Injection anchor An injection or grouting body for the transfer of mechanical stresses in structures in above-ground or below-ground construction, and for insertion into a borehole, in slits or similar openings, has a centrally-arranged filling tube and at least one fabri... | 02/20/2001 |
| 6077465 | Method of repairing a vinyl window frame A defect in a vinyl window frame is repaired by filling the defect with a PVC filler including a PVC cement and allowing the PVC filler to cure.... | 06/20/2000 |
| 5911545 | Method for stabilizing and repair of docks and seawalls A method for stabilizing and repairing whereby components are mixed to form an expandable foam which is injected under pressure in an expanded state behind or into the backfill material of an existing sheetpile seawall. Upon expansion, the foam displaces ... | 06/15/1999 |
| 5881523 | Mechanical packers for concrete repair A mechanical packer (10) for injecting repair compound into a damaged concrete structure (13) comprises a rigid insertion portion (20) having distal (24) and proximal ends (26). A feed stem (22) that can be broken off is attached to the proximal end (26) ... | 03/16/1999 |
| 5819497 | Method and device for repairing fasteners attached to plaster board A method and device for repairing fasteners attached to plaster board, where the plaster board has become loose around the fasteners. The method is particularly useful to repair loosened threaded fasteners affixed to plaster board which have worked loose ... | 10/13/1998 |
| 5809736 | Method and apparatus for injecting concrete repairing agent into a concrete structure An injection plug device for injecting an epoxy resin repairing agent into an arcuate injection groove formed in a concrete structure. A rod member made of the same or similar epoxy resin as the repairing agent, is inserted and attached in the groove and ... | 09/22/1998 |
| 5740653 | Method for grouting tile A method for grouting tile comprises applying a protective coat made of self-adhesive, impenetrable, flexible, sheeting material to the top surface and peripheral sides of the tile before grouting, then removing the protective coat after grouting. The pro... | 04/21/1998 |
| 5673532 | Coating of surfaces A wall or other surface is coated by applying a multiplicity of tiles to adhere to the surface, the edges between adjacent tiles being separtated by grouting materila comprising a vitrifiable particulate material incorporated in a binder, and applying loc... | 10/07/1997 |
| 5619831 | Joint members and method of forming a joint A method of forming a joint (2) and the member (8, 28) used therein between two cementitious faces (3, 4) in which the space between the faces is not of uniform cross-section, but has at least two different widths (5, 6) and is stepped with a shoulder (7)... | 04/15/1997 |
| 5615530 | Corner finishing system method An applicator tool for applying cementitious materials such as joint compound to corners. The tool has a handle and a head which is curved. The handle and head are integrally formed preferably from plastic. A flexible elastomeric blade projects from the f... | 04/01/1997 |
| 5569696 | Stain resistant grout A stain resistant grout composition comprises a mixture of an acrylic latex, an aliphatic urethane and a paraffin. Preferably, the composition is an aqueous composition and is a low volatile organic compound (VOC) composition.... | 10/29/1996 |
| 5543178 | Grout finishing method with kit A method for accomplishing the above and other objectives has steps of applying a mild solution of acid to surfaces of grout and tile, letting the surfaces dry for approximately 12 hours, applying a grout colorant and sealing material, referred to as grou... | 08/06/1996 |
| 5540030 | Process for the grouting of unbonded post-tensioned cables A method for the grouting of an unbonded post-tensioned cable in a concrete structure which cable is enclosed in a cable sheath is disclosed. The method includes the steps of pumping a curable hydrophobic grouting material, for example a polyurethane resi... | 07/30/1996 |
| 5406763 | Tiling networks with geometrical and ornamental patterns This invention relates to an apparatus and method for creating tiling networks with geometrical and ornamental patterns and designs without using tile. The networks consist of units which may be manufactured in whatever patterns or designs that are desire... | 04/18/1995 |
| 5396749 | Method of cutting off water flow by grouting There is disclosed a method of cutting off water flow by grouting characterized by injecting a water flow cutoff agent (grout) comprising colloidal silica as the main component, a water flow cutoff agent comprising a water-soluble urethane diluted with wa... | 03/14/1995 |
| 5373675 | Composite building system and method of manufacturing same and components therefor A composite building system includes a joist having a lower flange in one embodiment and a ladder reinforcement in another embodiment, a plurality of masonry blocks defining a longitudinal trough, the blocks having mutually co-planar upper surfaces and at... | 12/20/1994 |
| 5368665 | Method of jointing porous building plates A method of applying porous building plates includes applying plate-like porous building plates having pores on the surfaces and then jointing them by means of a coated joint method. In the method, the pores on the surfaces of the porous building plates a... | 11/29/1994 |
| 5274982 | Wall covering construction method A method of constructing a simulated marble, granite or other stone wall utilizes thin slabs of stone. An existing wall is smoothed and a plurality of wood supports or spacers are attached thereto in a random pattern. The wall is coated with a suitable ad... | 01/04/1994 |
| 5257486 | Nozzle for injecting a sealant into a crack Sealant nozzle (10) includes a positioning spider (18) at its outlet end. Spider (18) is inserted into a mounting hole (50), or is secured to an outer surface, or is mounted in a corner region (76, 78) of a structure (46). Spider (18) includes a plurality... | 11/02/1993 |
