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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8171692 | Mechanical locking system for floor panels Floor panels are provided with a mechanical locking system having small local protrusions which reduce displacement along the joint when the panels are laying flat on the sub floor and locked vertically and horizontally. ... | 05/08/2012 |
| 8117795 | Floor boards having interlocking tongue and groove connection with pre-applied adhesive layer Flooring panels having a tongue and groove locking mechanism. The tongue-and-groove configuration principle are provided at the areas being connected. The sides of the groove diverge from the groove base and converge at the end away from the groove base. The opening... | 02/21/2012 |
| 7600354 | Panels comprising interlocking snap-in profiles The invention relates to locking elements that are designed in such a manner that they can adopt an initial position into which the boards are brought by especially lowering them in an exclusively vertical manner. A terminal position is achieved by especially subseq... | 10/13/2009 |
| 7409801 | Prefabricated foam block concrete forms with open tooth connection means A foam block concrete form including a pair of opposing foam panels spaced parallel from each other, a plurality of ties positioned transverse to and between the pair of opposed panels for holding the panels in spaced apart parallel relationship to each other, a sin... | 08/12/2008 |
| 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 |
| 7364383 | Roll-up surface, system and method The present invention provides a ground flooring device, system and method which includes connectable slats or panels having connection means which allow a series of slats to be quickly assembled, rolled up for storage or transport, and unrolled for deployment. The ... | 04/29/2008 |
| 7360336 | Plant base The invention provides a plant base comprising a base section with a seat for a plant pot, in which a tail section extends in a horizontal direction from the rear of the base section. A groove/protuberance combination is provided at the front of the base section and... | 04/22/2008 |
| 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 |
| 7337589 | Interlocking blocks for construction Interlocking blocks for construction preferably include an in-line block, a corner block, an offset block and end blocks. The in-line block includes a connector extension disposed on one end and a connector cavity formed on the opposite end thereof. The connector ca... | 03/04/2008 |
| 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 |
| 7249445 | Floor covering, floor panels for forming such floor covering, and method of realizing such floor panels A floor covering includes hard panels having a laminated structure. The panels have an upper surface with a printed decorative layer including a wood pattern. A transparent layer of a synthetic material extends over the printed decorative layer and includes a plural... | 07/31/2007 |
| 7228668 | Protective covering and method of manufacturing A protective covering (10) for protecting surrounding items, i.e., walls, floors, and furniture, during construction, moving, or other activities. Covering (10) includes a protective backing layer (12) having a front side (14), a back sid... | 06/12/2007 |
| 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 |
| 7171791 | Floorboards and methods for production and installation thereof Floorboard and openable locking system therefor comprise an undercut groove on one long side and projecting tongue on an opposite long side of the floorboard. The undercut groove has a corresponding upwardly directed inner locking surface at a distance from its tip.... | 02/06/2007 |
| RE39439 | System for joining building boards The invention relates to a system for laying and mechanically joining building panels, especially thin, hard, floating floors. Adjacent joint edges (3, 4) of two panels (1, 2) engage each other to provide a first mechanical connection locking the joint... | 12/26/2006 |
| 7150135 | Device for assembling longitudinal edges of panels, laths or wainscots, with force distribution The invention concerns a device for assembling longitudinal edges of panels, laths or wainscots (1), consisting of at least a male part (2) equipping a longitudinal edge of said panels, laths or wainscots (1) and of at least a female part (3 | 12/19/2006 |
| 7146772 | Panel and locking system for panels The invention relates to a panel and a locking system (1) for panels (2, 3) with edge profiles provided on at least two opposite edges of the panels (2, 3) for the positive connection of similar panels (2, 3), including an edge profile de... | 12/12/2006 |
| 7124549 | Interconnectable panel for use primarily as flooring An interconnectable panel has a pair of surfaces on a lateral edge that adjoins a second pair of surfaces on a complementary lateral edge of another panel when the two panels are interconnected. The edge profiles are such that the first pair of adjoined surfaces has... | 10/24/2006 |
| 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 |
| 7090430 | Roll-up surface, system and method The present invention provides a ground flooring device, system and method which includes connectable slats or panels having connection means which allow a series of slats to be quickly assembled, rolled up for storage or transport, and unrolled for deployment. The ... | 08/15/2006 |
| 7086205 | 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 (3, 4) of two panels (1, 2) engage each other to provide a first mechanical connection locking the joint... | 08/08/2006 |
| 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 |
| 7055290 | Floor covering, floor panels for forming such floor covering, and method for realizing such floor panels Floor covering, consisting of hard panels, with a laminated structure, whereby at least at the upper surface a printed decorative layer with a wood pattern is present, with thereupon a transparent layer of synthetic material in which impressions are formed, wherein ... | 06/06/2006 |
| 7040068 | 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... | 05/09/2006 |
| 7003925 | 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... | 02/28/2006 |
| 6993877 | 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... | 02/07/2006 |
| 6988341 | Ventilated interlocking translucent blocks A vented hollow translucent/transparent plastic block for use in wall construction includes a single aperture disposed along the lower edge of the plastic block for alleviating pressure within the plastic block and for discharging any condensation within the plastic... | 01/24/2006 |
| 6962028 | Interlocking masonry articles and methods thereof Each of a plurality of masonry article comprises a contoured first header, a contoured second header, a contoured front face, a back face, a contoured lower base and an upper base. The plurality of masonry articles has a plurality of holes extending from the lower b... | 11/08/2005 |
| 6955020 | Floor panels with edge connectors A floor covering panel made of a hard laminated assembly including a wood-base core includes coupling parts formed in one piece with the core, wherein the coupling parts provide locking elements for preventing the drifting apart of coupled panels in directions perpe... | 10/18/2005 |
| 6928779 | 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... | 08/16/2005 |
| 6925764 | Tile The invention relates to a tile for laying in enclosed spaces, and especially but not exclusively for installation in so-called damp rooms, such as bathrooms, toilets, basements, but also entrance halls, conservatories and verandas. The tile according to the inventi... | 08/09/2005 |
| 6922964 | Locking system and flooring board A floorboard system includes a plurality of floorboards, wherein each of the floorboards is a rectangular floorboard provided with long edges and short edges and having a floorboard body provided with an integrated long edge locking system and an integrated short ed... | 08/02/2005 |
| 6918220 | Locking systems 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... | 07/19/2005 |
| 6898913 | Locking system for mechanical joining of floorboards and method for production thereof The invention relates to a locking system for mechanical joining of floorboards (1, 1′) which have a body (30), a lower balancing layer (34) and an upper surface layer (32). A strip (6) is integrally formed with the body (30 | 05/31/2005 |
| 6880307 | Panel element The invention relates to a panel element for forming a floor covering, consisting of several identical interconnectable panel elements and having the following features: two first sides of each panel element, called the “longitudinal sides”, these sides having a... | 04/19/2005 |
| 6880305 | Metal strip for interlocking floorboard and a floorboard using same The invention relates to a strip for a building board (2), exhibiting a board body (S) which is formed with a gripping stud (24). The strip (10) extends from the body (S) and from which are formed gripping elements (26, 28), which are ben... | 04/19/2005 |
| 6766622 | Floor panel for floor covering and method for making the floor panel Floor covering, consisting of floor panels (1) based on a fiber-like material bound by a binding agent, more particularly MDF or HDF, which, at least at their edges, are connected to each other by means of a connection, more particularly a tongue-and-groove c... | 07/27/2004 |
| 6722809 | Joint A joint for two flat structural members, in particular floor panels, wherein a groove and tongue joint joining two flat structural members is provided functionally separate from a twistlock locking the two flat structural members. The twistlock is formed on one of t... | 04/20/2004 |
| 6715253 | Locking system for floorboards This 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 structure (36, 38; 6, 8, 14) for vertical... | 04/06/2004 |
