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 |
| 8112951 | Permanent form assembly and method for swimming pool user support structures A permanent form assembly and method for creating and forming swimming pool user support structures within a swimming pool includes one or more of a vertical elongated support, one or more of a lateral brace, and a plurality of support structure risers that when ass... | 02/14/2012 |
| 8037649 | Portable steps A step assembly that is specifically adapted to assist pets in reaching and/or descending from elevated surfaces is provided. The step assembly has two sidewalls having a plurality of openings in which pegs formed on the sides of individual treads and risers are eng... | 10/18/2011 |
| 7779582 | Stairway system A stairway system is disclosed that includes a plurality of spaced apart treads; a handrail; and at least two balusters per tread. Each baluster includes a top length segment, a bottom length segment and a turning length segment, the turning length segment including... | 08/24/2010 |
| 7757443 | Support system for stair treads A stair tread support member for releasably supporting generally planar stair tread members including stair tread members made of glass or other transparent material includes a general planar base part adapted to be supported on a stairway stinger. The tread support... | 07/20/2010 |
| 7631463 | Stair hanger A concealed connection mechanism for connecting a pair of stair stringers to the front face of a rim joist. ... | 12/15/2009 |
| 7500335 | Portable deck for recreational vehicles and fifth wheel campers A portable deck system for recreational vehicles and fifth wheel campers for enhancing the accessibility of an elevated exterior door. The system includes a platform assembly having a top surface positionable adjacent to a threshold of the entry door, a plurality of... | 03/10/2009 |
| 7441378 | Deck plank cover A deck plank cover made from a plastic material, such as a vinyl or HDPE or Wood composite, wherein the deck plank cover is designed to be affixed to the top surface of a preexisting deck plank. The deck plank cover is useful for repairing or protecting mildly deter... | 10/28/2008 |
| 7421824 | Stairway system A stairway system is disclosed that includes a plurality of spaced apart treads; a handrail; and at least two balusters per tread. Each baluster includes a top length segment, a bottom length segment and a turning length segment, the turning length segment including... | 09/09/2008 |
| 7377080 | Stowable spiral staircase system for overhead space access A staircase system (2) includes a rail element (40) and multiple stair elements (42). Baluster elements (44) are coupled to the rail element (40) and to the stair elements (42). A center support system (46) is coupled... | 05/27/2008 |
| 7357223 | Platform lift apparatus with integrated ladder for accessing attic storage space A platform lift system includes a mounting frame that is fixedly engaged into a scuttle hole formed in a horizontal supporting surface (i.e., attic floor or room ceiling) and a foldable ladder that is supported by the frame. A separate trolley carries a lift platfor... | 04/15/2008 |
| 7284746 | Clamping apparatus and apparatus for use in erecting temporary guard rails An apparatus for use in clamping a structure at its edge, the structure having opposed surfaces, the apparatus comprising a stanchion, a first clamping assembly attached to the stanchion and a second clamping assembly selectively slidably moveable longitudinally alo... | 10/23/2007 |
| 7267403 | Foldable bleacher seats A foldable seat for a bleacher seating arrangement includes a mounting frame fixedly attached to or secured to a deck or platform of the bleacher seating arrangement, a seat portion attached to the mounting frame, and a back portion or backrest pivotally attached to... | 09/11/2007 |
| 7204060 | System for manufacturing structures of cementitious materials This disclosure is a system which includes processes, machines, articles of manufacture and compositions of matter required to construct a habitable structure comprised of a cementitious product, preferably autoclaved aerated concrete (“AAC”), formed in unique b... | 04/17/2007 |
| 7171786 | Window well A modular window well arrangement includes one or more window well members. The window well members can be interconnected in a vertically stacked arrangement to provide the required overall height. Snap-connectors interconnect the vertically adjacent window well mem... | 02/06/2007 |
| 7165362 | Glass support member A monolithic glass member for supporting loads is disclosed. The glass member includes a plurality of glass sheets that are laminated together with one or more bonding layers. One of the glass sheets has a cut out at an edge thereof to receive a connector. The conne... | 01/23/2007 |
| 7159363 | Stairway and rail system A stairway and rail system. The stairway system includes a plurality of spaced apart treads; at least one baluster per tread; a two-piece handrail assembly; and a lateral support for supporting the handrail. In the preferred embodiment, the handrail assembly include... | 01/09/2007 |
| 7150129 | Modular step system for pools A modular step system for in-ground swimming comprising a bottom central hub, a brace assembly, a top central hub, a tread support assembly, a step form and a liner. The components of the modular step system interlock and snap together without fasteners. Also, the c... | 12/19/2006 |
| 7137230 | Post support system An internal support system for a hollow plastic post comprising a rigid column on to which the post can be sleeved, a member secured to the lower end of the column for securing same upright, and at least one support bracket attachable to the column at a selected poi... | 11/21/2006 |
| 7127854 | Bulk material storage facilities with access chases and/or internal filling structures A storage facility includes a storage structure having a floor and a boundary wall upwardly extending therefrom, the floor and boundary wall bounding a chamber adapted to receive bulk material. A tubular chase bounds a passageway and is at least partially disposed a... | 10/31/2006 |
| 7082725 | Threshold tray and clip system In recent decades within the building industry, there has been a trend toward mass production of building components. The trend has included every part of structures except for the concrete slab the building is built on. The “Threshold Tray and Clip System” uses... | 08/01/2006 |
| 7082735 | Baluster, balustrade, and method therefor A baluster, balustrade, and method for constructing the same are provided. The balustrade includes a rail supported by one or more balusters, each baluster extending from a support surface such as one or more treads of stairs. Each baluster has an elongate member ha... | 08/01/2006 |
| 7073297 | Component and method for restoring a stairway A fiberglass molded stairway component and method of using the component enables an old stairway to be removed and replaced by a new stairway while making reuse of the existing stringers and using new stair supports or stair supports previously used with the stairwa... | 07/11/2006 |
| 7047698 | Exterior step system made from masonry units attached via a metal frame A step system made up of masonry panels of various sizes pre-formed to resemble natural stone or brick on the outside. These panels have bolts or other securing devices embedded in them at precise locations at the time of their manufacture. These securing devises al... | 05/23/2006 |
| 7047699 | Sandwich plate stepped risers A two-tired seating riser for a sports stadium comprises upper and lower metal plates bonded together by a solid elastomer core. The elastomer core has different thicknesses in the treads and rises. The lower tread has a lip portion in which the metal plates are fla... | 05/23/2006 |
| 7040060 | Mounting elements, mounting arrangements, and methods for mounting liners to structures in pools and spas Improved mounting elements, mounting arrangements, and methods of mounting liners to structures, such as stair assemblies, in pools and spas are disclosed. One aspect is a mounting element for retaining at least a portion of a liner to a structure of a spa or pool, ... | 05/09/2006 |
| 6968655 | Step support method for use in the manufacturing of straight or curved stairs A step support method for use in the manufacturing of straight or curved stairs comprising a plurality of cutouts and a plurality of formed flanges in a contiguous sheet of metal creating a surface for stair treads and risers to be attached. The design of which allo... | 11/29/2005 |
| 6964246 | Pet step and method A pet step is a modular foam core item which can be used alone or in an arrangement with other pet steps—referred to as cubes—to form a stair and offers a comfortable way for a pet that has been debilitated by age, surgery, illness, or injury to climb, e.g., fro... | 11/15/2005 |
| 6959521 | Method of creating a watertight basement stairway simultaneously with forming a building foundation A concrete basement stairway is created, by positioning a stairway form 1 between a first pair of concrete receiving foundation channels 9 and a second pair of concrete receiving foundation channels 9a of any size foundation, the stairway... | 11/01/2005 |
| 6960273 | Process for renovation of a staircase A process for the renovation of the steps of a staircase including step treads and risers, whereby, starting from the top step to be renovated, starting on the step tread thereof, a step tread plate provided with an impact section that protrudes beyond the step trea... | 11/01/2005 |
| 6943320 | Rubberized covering with integral heating system A heating system providing a heated surface for use on or in a driveway, roadway, walkway, patio, deck, stairs or the like, principally for outdoor use but usable as well for indoor use. The heating system includes a form suitably retained on an existing surface, at... | 09/13/2005 |
| 6923691 | Circuit board standoff A circuit board standoff for use with SMT placement machinery is provided comprising a hollow substantially cylindrical member, a flange extending from a bottom section of the cylindrical member and an opening positioned in the top section of the substantially cylin... | 08/02/2005 |
| 6922955 | Pre-cast dock leveler pit A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each side panel has a top edge and t... | 08/02/2005 |
| 6922947 | Audience seating system An audience seating system including at least two platforms having a leg receiver at their rear margin and a leg supporting a protrusion engageable into a recess in the leg receiver and lockable by moving the leg from a non vertical orientation to a generally vertic... | 08/02/2005 |
| 6920725 | False tread modules False return tread modules are provided that include a treadplate, a bullnose joined to the treadplate, a riserplate, and a stairbracket joined to the riserplate, such that the stairbracket/riserplate subassembly and treadplate/bullnose subassembly form the false tr... | 07/26/2005 |
| 6905110 | Finished-stair-tread adapter for a modular railing system A modular railing system supports a plurality of rails in vertically-spaced configuration. The railing system includes a plurality of baluster units arranged between rail sets to support the rails. The baluster units include a plurality of rail supports grouped into... | 06/14/2005 |
| 6895717 | Component and method for restoring a stairway A fiberglass molded stairway component and method of using the component enables an old stairway to be removed and replaced by a new stairway while making reuse of the stringers and using new stair supports or stair supports previously used with the stairway being r... | 05/24/2005 |
| 6845595 | Method for constructing a balanced stair For designing a balanced stair comprising steps with treads (1-15) showing front edges (26), a line of travel (22) is determined on the stair and a reference line is determined onto each step in a predetermined position with respect to the front... | 01/25/2005 |
| 6826875 | Temporary stairway rail and baluster support A temporary stairway rail support for erecting a temporary stairway rail for use and safety during the construction phase of the building, the temporary stairway rail support having planar base member in contact with a portion of the stair tread, an L-shaped open st... | 12/07/2004 |
| 6810995 | Portable stairs with adjustable landing platform height An adjustable stair and platform system. The apparatus includes a set of stairs which is affixable to a platform at a first height or alternately at a second height. Both the platform unit and the stair unit include vertically adjustable legs above ground engaging f... | 11/02/2004 |
| 6796090 | Adjustable and reversibly securable terrace stairs Stair elements installed on sloped ground starting bottom up and using a riser reversibly secured with a clamping mechanism. Each riser is attached to a corresponding tread at the time of installation. The manner of fixing the riser to the tread permits the relation... | 09/28/2004 |
