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 |
| 8181416 | Mechanical locking system for floor panels Floor panels with a flexible tongue in an insertion groove, the flexible tongue is designed to cooperate, in a connected state with a tongue groove of another panel, the panels are adapted to be locked together by vertical folding, the flexible tongue has a projecti... | 05/22/2012 |
| 8079196 | Mechanical locking system for panels Floor panels are provided with a mechanical locking system including a flexible locking element in a locking groove which during a horizontal motion is displaced vertically. ... | 12/20/2011 |
| 8046968 | Floor made from individual elements A multi-layer floor panel unit, which can be assembled with a plurality of similar units to form a floor which is capable of repeatedly being disassembled and reassembled at different times and/or in different locations, includes a pressure-resistant and wear-resist... | 11/01/2011 |
| 7980041 | Mechanical locking system for floor panels Floor panels with a flexible tongue in an insertion groove, the flexible tongue is designed to cooperate, in a connected state with a tongue groove of another panel, the panels are adapted to be locked together by vertical folding, the flexible tongue has a projecti... | 07/19/2011 |
| 7913470 | Insulating strip for supporting a composite structure An insulating strip is configured to support two profiles or frames in a spaced relationship. The insulating strip includes a body extending in a longitudinal direction and has at least first and second longitudinal edges. The longitudinal edges are configured to be... | 03/29/2011 |
| 7908816 | Device for connecting building boards, especially floor panels Disclosed is a device for connecting and locking building boards comprising a top face (10) and a bottom face (11), especially floor panels (1, 2) that are provided with a core made of a wood material as well as a groove (3, 4; 5, 6; 18, 19 | 03/22/2011 |
| 7866110 | Mechanical locking system for panels and method of installing same Floor panels (1, 1′) are provided with a mechanical locking system including a flexible locking element 15 in a locking groove 14 which during a horizontal motion is displaced vertically. ... | 01/11/2011 |
| 7802411 | Mechanical locking system for floor panels A tongue adapted for being received in a sidewardly open groove of a floor panel, wherein in the tongue, which is of an elongated shape, when received in the groove is displaceable in a plane substantially parallel with a front face of the floor panel. ... | 09/28/2010 |
| 7677007 | Interlocking insulating firebrick A structural configuration for rapidly assembling walls and linings of insulating firebricks and prefabricated insulating modules that aligns the bricks or modules during assembly with grooves and inserts, minimizes the amount of through joints in the completed stru... | 03/16/2010 |
| 7665264 | Metal-faced building panels having angled projections in longitudinal edge recesses for mating with locking ramps on flanges of concealed I-shaped connector Metal faced insulated inserts have interior and exterior surfaces with parallel longitudinal edges between an upper and lower short edge. Each longitudinal edge of each insert has two deep recesses and a central shallow recess. A plurality of generally I-shaped conc... | 02/23/2010 |
| 7454875 | Mechanical locking system for floor panels Floor panels (1, 1′) are provided with a mechanical locking system including a flexible tongue (30) in a sliding groove (40) which during a vertical folding motion is displaced. Moreover, a tongue blank (50), a production method and an ... | 11/25/2008 |
| 7406804 | System of stackable blocks as well as block and a joining element of the system A system consists of blocks (1) provided with grooves (19, 21) as well as joining elements (23) which are situated in the grooves for positioning the blocks with respect to each other. The block (1) has two joining sides (3, 5) for... | 08/05/2008 |
| 7398625 | Locking system for floorboards The invention relates to a locking system for mechanical joining of floorboards (1, 1′), a floorboard having such a locking system and a flooring made of such floorboards. The locking system has mechanical cooperating means (36, 38; 6, 8, 14) for ver... | 07/15/2008 |
| 7356971 | Locking system for floorboards A locking system for mechanical joining of floorboards includes horizontal joining of a first and a second joint edge portion of a first and a second floorboard respectively at a vertical joint plane; vertical joining of the first and second joint edge portions; whe... | 04/15/2008 |
| 7351023 | W-base retainer A w-base retainer that may be used in many applications, including numerous applications throughout the automotive industry, includes two-stage double-snap-over w-base features with opposite w-base features for assembling moldings to a sheet metal or substrate panel... | 04/01/2008 |
| 7347028 | Modular construction system utilizing versatile construction elements with multi-directional connective surfaces and releasable interconnect elements A modular construction system that utilizes versatile construction components releasably attachable to one another, in virtually any desired direction, by use of one or more interconnect components positioned therebetween. Each construction component includes at lea... | 03/25/2008 |
| 7340868 | Universal structural element The invention describes a universal structural element (1) for the purpose of forming in particular, three-dimensional structures, which structural element can be manufactured in a convenient manner efficiently, cost-effectively from the most varied materials... | 03/11/2008 |
| 7337588 | Panel with slip-on profile The invention relates to a panel (1) with connecting means (3, 4, 7, 9) which make a positive connection with a further panel (2) possible. A panel (1) comprises as connecting means laterally a groove (3) formed by two rigid flanks... | 03/04/2008 |
| 7328536 | Floor panels with edge connectors Floor covering, including hard floor panels which, at least at the edges of two opposite sides, are provided with coupling parts, cooperating which each other, substantially in the form of a tongue and a groove, wherein the coupling parts are provided with integrate... | 02/12/2008 |
| 7328537 | Wall block, system and method A wall block includes an upper surface spaced apart from a substantially parallel lower surface, opposed first and second faces, and opposed side surfaces converging between respective ends of the first and second faces. Blocks in a wall may be stacked on top of eac... | 02/12/2008 |
| 7316461 | Indoor-outdoor equipment enclosure and method for assembling the same A cabinet for supporting electronic equipment. The cabinet has a rigid internal assembly structure and a cladding kit. The internal assembly defines a cavity into which the electronic equipment can be fitted. The internal assembly structure has height, a plurality o... | 01/08/2008 |
| 7290377 | Block connector A block connector for pre-cast building blocks comprising a top body portion to be fitted into the bottom surface groove of an upper block and a bottom body portion to be fitted into the top surface groove of a lower block. The top and bottom body portions define th... | 11/06/2007 |
| 7260919 | Sealable ceiling assembly A sealable ceiling assembly is provided for use in applications such as clean rooms. The sealable ceiling assembly may include main beams suspended from a support ceiling parallel to each other and cross beams that run perpendicular to the main beams to attach the m... | 08/28/2007 |
| 7225543 | Connector for structural sandwich plate members A connecting member for structural sandwich plate members comprises a prismatic metal body having one, or preferably two, tapered edges which provide landing surfaces and weld preparations for the face plates of the structural sandwich plate members. ... | 06/05/2007 |
| 7211310 | Thermoplastic planks and methods for making the same A thermoplastic laminate plank is described wherein the thermoplastic laminate plank comprises a core, a print layer, and optionally an overlay. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is ... | 05/01/2007 |
| 7207146 | Multiple purpose wall block A block used to construct a wall. The block has a front and rear surfaces, top and bottom surfaces, and side surfaces. The bottom surface of the block has a projection that extends downwardly therefrom and which is configured to engage one or more blocks in an adjac... | 04/24/2007 |
| 7207147 | Mortarless wall structure A wall structure (10, 110) and method of construction. The wall structure (10, 110) comprises a plurality of preformed, lightweight blocks (12, 112) supported and interconnected by a plurality of elongated, vertically oriented, collateral suppor... | 04/24/2007 |
| 7169460 | Thermoplastic planks and methods for making the same A thermoplastic laminate plank is described wherein the thermoplastic laminate plank comprises a core, a print layer, and optionally an overlay. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is ... | 01/30/2007 |
| 7165374 | Wall system and method A multi-layer wall panel includes a core filler material surrounded by two plastic sheets. Each sheet includes three-dimensional texture formed to resemble masonry or other desired aesthetics. A layer of concrete may be disposed between each sheet and the filler mat... | 01/23/2007 |
| 7152383 | Joining of foam core panels A blind connection for joining foam core panels which comprise a central sheet of foamed resinous material having top and bottom rails and veneers bonded to opposite sides of the central sheet and the rails. The rails having abutting side edge faces with matching sl... | 12/26/2006 |
| 7134805 | Precast concrete slab system and method therefor A pre-fabricated concrete slab system and method have matching rectangular male and female type slabs which fit adjacent to each other in a checkerboard fashion. The male slabs include spaced reinforcing rods extending longitudinally and transversely through the mal... | 11/14/2006 |
| 7127860 | Flooring and method for laying and manufacturing the same Floorboards for installation of floors in herringbone pattern are formed with two opposite sides inverted relative to each other. The invention further comprises methods for producing and making floorings comprising such floorboards, as well as fitting pieces and se... | 10/31/2006 |
| 7121058 | Building panels Flooring material comprising sheet-shaped floor elements with a mainly square or rectangular shape. The floor elements are provided with edges, a lower side and an upper decorative layer. The floor elements are intended to be joined by means of joining members. The ... | 10/17/2006 |
| 7121059 | System for joining building panels The invention relates to a system for laying and mechanically joining building panels, especially thin, hard, floating floors. Adjacent joint edges of two panels engage each other to provide a first mechanical connection locking the joint edges in a first direction ... | 10/17/2006 |
| 7100342 | Building panel A modular building panel comprising a rectangular frame 11 having one face covered in a water resistant board 16 with the other face also covered in a board material 17, the frame having top and bottom rails 12, 13 joined together by wood... | 09/05/2006 |
| 7096634 | Block wall system A block suitable for forming a block wall that is either a retaining wall or an above ground wall. The block includes a front wall extending between upper and lower block surfaces and presenting a first block face. A rear wall is spaced from said front wall and exte... | 08/29/2006 |
| 7093398 | Wall panel assembly and method of assembly A wall assembly includes at least two panel elements which are configured for contiguous placement adjacent to one another. Each of the panel elements defines a hollow internal passageway. The panels are configured to permit a contiguous placement whereby the respec... | 08/22/2006 |
| 7073303 | Structure and method for interconnecting construction units made from composite materials The invention contemplates a system of interconnecting notched composite articles so as to create a surface therefrom. A joint segment having an edge configured to be received into a plurality of notches within juxtaposed composite articles and a fastener engaging t... | 07/11/2006 |
| 7065935 | Method for laying and interlocking panels Rectangular floor panels, a fastening system for joining the panels, and a method for laying and interlocking the panels are disclosed. The panels are provided complementary, form-fitting retaining profiles extending over the length of the sides. The complementary e... | 06/27/2006 |
| 7063096 | Side cover for a collapsible tent A side cover structure for a collapsible tent includes a fabric side cover that is vertically suspended between two post. Each post has inner and outer pole sections that are telescopically engaged. Each pole section has exterior longitudinal grooves. The fabric sid... | 06/20/2006 |
