Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7543412 | Wall panel edge rail connector arrangement A pair of upright wall panels are each provided with a sidewardly spaced pair of generally parallel but inclined guide grooves extending vertically along the outer face of the upright frame edge rails. A connector assembly including a main activator rod having a pai... | 06/09/2009 |
| 7434364 | Wall panel arrangement A pair of upright wall panels are each provided with a sidewardly spaced pair of generally parallel but inclined guide grooves extending vertically along the outer face of the upright frame edge rails. A connector assembly including a main activator rod having a pai... | 10/14/2008 |
| 7325343 | Display board system An apparatus configured to allow the retention of at least one display board with a mounting structure is disclosed. The apparatus comprises a retaining system. A portion of the retaining system is deformable to retain at least one display board in a press-in, inter... | 02/05/2008 |
| 7185469 | Modular raised wall paneling system The present invention is a new and novel modular raised wall paneling system and method of manufacture that is economical, labor non-intensive, and can be easily constructed for a variety of room configurations and dimensions. The modular raised wall paneling system... | 03/06/2007 |
| 6945001 | Building using external facing material for construction A building using pieces of structural facing is capable of simplifying the operation of construction and exalting the feasibility of construction, applicable to all conceivable portions of a building, and capable of liberally cutting the cost incurred in the constru... | 09/20/2005 |
| 6908252 | Integrated joint assembly fastener An integrated joint assembly fastener is described for removably securing two adjoining members together along flat mating surfaces. A housing is provided with an off-center circular bore in which a rotatable element is held captive. The bottom end of the rotatable ... | 06/21/2005 |
| 6609338 | Adjustable retainer clip A retainer clip includes a shaft extending along a clip axis. The shaft has a shaft diameter and first and second opposed ends. A head extends radially outwardly from the shaft adjacent the first end of the shaft. The head has a head diameter which is gre... | 08/26/2003 |
| 6519907 | Frame section to be used as a modular structural element for buildings, method for the production thereof Modular construction elements are produced by assembling cross posts and longitudinal posts to form a frame of exact specification having a void between the assembled posts. Planks are affixed to the assembled posts and an insulation medium may be located... | 02/18/2003 |
| 6253517 | Modular panel assembly system The present invention is an improved modular panel arrangement for the assembly of a first panel to a second modular panel or a portion of a permanent wall. The arrangement comprises a modular panel of generally rectilinear configuration, having at least ... | 07/03/2001 |
| 6231266 | Cam lock fastening system A cam lock fastening system including cam lock devices for connecting two or more sheet metal panels to create a work booth. The device comprises a rigid, pivotable handle which includes at one end a cam like head; the handle being attached to an angle ir... | 05/15/2001 |
| 6155022 | Shielding panel removal and installation system for supportless dasher boards A semi-automatic shielding panel removal and installation system for supportless dasher board systems. A U-channel runs along the length of a dasher board for holding in place (by cam means) a shielding panel. The U-channel is divided into two portions; a... | 12/05/2000 |
| 6148569 | Fastening device for joining together furnishing panels A fastening device to join together panels comprises a body (12) that has a spreader (32); a U-shaped spring (14) with arms (47, 48) provided with outward facing gripping portions (47", 48") protruding from the body and drawn together in a resting positio... | 11/21/2000 |
| 6141932 | Metal deck roof construction A metal deck roof repair module system that does not disturb the existing roofing membrane or insulation. The roof repair module has a surface profile similar to that of the existing deck, is installed from below the roof deck, and is jacked into mating p... | 11/07/2000 |
| 6119427 | Apparatus and method of modular panel construction A structure wall includes first and second cooperating building panels. The first building panel includes first and second skins forming respective first and second opposed panel faces and a first foam filled core between the first and second skins. A por... | 09/19/2000 |
| 6079754 | Latching assembly for insulation panels A latching assembly, such as for use in assembling and disassembling mating foamed insulating panels, may have housing components of inexpensive materials such as cellulosic or non-structural plastic materials. A cam shaft passes through an opening in a l... | 06/27/2000 |
| 6070919 | Panel fastener A panel fastener has a hook and cam assembly with a C-shaped leaf spring mounted in a recess in the camming surface of the cam. The recess is formed with a central barrier with opposed ledges on which the spring is mounted. Rotation of the cam causes the ... | 06/06/2000 |
| 6018920 | Modular panel assembly system The present invention covers a modular panel assembly for the manufacture of a wall system from a plurality of thin modular wall panels of generally rectilinear configuration joined to one another. Each panel has an upper and a lower corner with a first c... | 02/01/2000 |
| 6009675 | Knock-down portable partition system A knock-down portable partition system has cover panels supported on a post and beam framework designed for quick and easy on-site manual assembly without tools. The framework includes at least two vertical posts with at least two beam connection ports on... | 01/04/2000 |
| 5953882 | Supportless dasher board A dasher board assembly having a U-shaped channel for receiving a shielding panel, and a rotatable cam co-operating with the channel to releasably clamp the shielding panel to the channel.... | 09/21/1999 |
| 5953864 | Prefabricated modular concrete foundation wall systems and methods of constructing prefabricated modular concrete foundation wall systems A subterranean building structure has a footing surface and end to end matching concrete wall shell segments arranged in longitudinally abutting relation on the footings. One of the wall sections has an embedded, horizontally extending lock part, and the ... | 09/21/1999 |
| 5913783 | Portable multiple-purpose floor-ceiling column for office An extendible and contractible support pole assembly for clamping engagement with and extension between a floor and a fixed ceiling. The upper portion of the pole assembly has a releasable clamping structure which is disposed above a drop ceiling and perm... | 06/22/1999 |
| 5797224 | Prefabricated expandable architecture and method of making This invention is a prefabricated expandable architecture including a plurality of structural segments collapsible and nested together in a first configuration encompassing a first volume and expandable or extendible in a second configuration and rigidly ... | 08/25/1998 |
| 5768830 | Support for construction material A support for construction material provides for the temporary support of elongate materials during construction projects or storage of the materials. The device comprises a generally U-shaped frame having a flat, planar base and opposite parallel planar ... | 06/23/1998 |
| 5706625 | Supportless dasher board A dasher board assembly having a U-shaped channel for receiving a shielding panel, and a rotatable cam co-operating with the channel to releasably clamp the shielding panel to the channel.... | 01/13/1998 |
| 5590975 | Fastening assembly A fastening assembly for securing a plate member to a support includes a post member, a housing member, and a cam member mounted to the housing member. The post member extends through an opening in the plate member and cooperates with the cam member to pl... | 01/07/1997 |
| 5488808 | Interlock for wall panel system An interlock system for locking wall panel frames. Vertical frame members are provided with keyhole-shaped openings for receipt therethrough of the head of a carriage bolt in one portion and having and a second elongate slotted portion capable of a non-ro... | 02/06/1996 |
| 5465546 | Portable dance floor A portable dance floor formed from the interconnection and interlocking of multiple dance sections each of which dance sections is formed from a dance substrate generally of plywood, wherein each dance section is supported off the ground. Dance sections i... | 11/14/1995 |
| 5070662 | Insert for locking portable dance floor sections An insert and set screw for locking together the tongue and groove elements of adjacently situated sections of a portable floor in a manner which prevents upward movement of both the set screw and the insert beyond the top surface of the floor. The insert... | 12/10/1991 |
| 5058347 | Panel connector system A connector for an office partition panel which has a rectangular panel frame at the edges thereof and a wire management channel formed at an upper portion of the panel. The connector rigidly connects the rectangular panel frames together at the side edge... | 10/22/1991 |
| 4942713 | Interconnecting structure for releasably securing successive panels in a relocatable wall The present invention is directed to an interconnecting stucture (10) for a relocatable wall. The successively adjacent wall panel assemblies (11) are joined in a linear intersection (12) by a cam key block (35) secured to the vertical frame members (21) ... | 07/24/1990 |
| 4881349 | Panel locking system Securement and cooperation between panels of an office panelling system is improved by mechanically connecting panels in a manner to maintain a particular orientation and to allow transfer of loads therebetween. The mechanical fasteners are advantageously... | 11/21/1989 |
| 4776557 | Formwork panel A formwork panel is formed from metal longitudinal members and metal transverse members interconnected by devices such as screws to form a dismountable formwork panel. The panels may be interconnected by other connector devices to form larger composite pa... | 10/11/1988 |
| 4763453 | Door shoe assembly A metal frame and glass panel structure has a metal shoe having a receiving channel, the receiving channel having at least one smooth side surface and an opposite side surface spaced apart from the smooth side surface; a glass panel positioned within the ... | 08/16/1988 |
| 4750305 | Corner post assembly A corner post assembly particularly useful for joining vertical panels, frames, and the like, in constructing modular work stations for laboratories, offices, and industrial sites. The assembly includes a cylindrical corner post tube typically having two ... | 06/14/1988 |
| 4698945 | Panel assembly and a method of installing same A panel assembly for use in construction of flooring, walls or ceiling has two panels (1, 2) each having a planar surface (3, 4) on one side and one its opposite side (5, 6) a plurality of bosses (7, 8) projecting from the panel. The panels (1, 2) are int... | 10/13/1987 |
| 4680903 | Door shoe assembly A metal frame and glass panel structure comprises a metal shoe having a receiving channel therein, the receiving channel having at least one smooth side surface and an opposite side surface spaced apart from said smooth side surface; a glass panel positio... | 07/21/1987 |
| 4671032 | Thermally insulating structural panel with load-bearing skin A stressed-skin building panel including structural strengthening members located alternately adjacent the two opposite skin members of the building panel, each of the structural strengthening members being spaced apart from the opposite skin member by a ... | 06/09/1987 |
| 4644711 | Fastening apparatus for shutters Fastening apparatus for shutters and a method of attachment thereof is disclosed. The fastening apparatus is hidden, yet operable, from in front of the face of the shutters. A plurality of studs are held by nuts retained within a cavity of a holding membe... | 02/24/1987 |
| 4458455 | Building-set for the displaying of signs A building set for the setting up of a rectangular, upright plate forming the basis for adhered text comprises: (a) two uniform, rectangular plate sections (1,2) with tracks (3,4), dovetailed in cross-section, on the internal sides facing each other, (b) ... | 07/10/1984 |
| 4434597 | Fastening device The fastening device of the present invention is designed as a dowel which can be anchored in brickwork by a screw, a nail or similar anchoring means. The dowel has a tubular body extending from the brickwork at one end and is provided with a holding devi... | 03/06/1984 |
