Bizarre Patents
A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8091295 | Machine for constructing height adjustable stair steps A machine for constructing height adjustable stair steps with tread/riser unit, and riser bracket. ... | 01/10/2012 |
| 8091294 | Folding pet staircase A method and apparatus are provided, for allowing pets to ascend and descend on a foldable staircase having a plurality of stair treads operatively connected by articulating links in such a manner that the treads can be pivoted in unison from a stowed position of th... | 01/10/2012 |
| 7934344 | Stairway stringer and finished stairway skirt board A stairway with a finished skirt/fascia board is formed using parallel stringers and tread/riser support brackets spaced and aligned along the stringers. The brackets are temporarily and pivotally attached to stringers and the stringers are moved parallel to and rel... | 05/03/2011 |
| 7587866 | Integrated housing system activated by the action of a pull down stairway An integrated insulated housing system with handrails and a system of seals for a pull down stairway opening is provided. The integrated housing system reduces air convection, moisture loss and dirt infiltration. The insulation of the housing system reduces heat los... | 09/15/2009 |
| 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 |
| 7337583 | Extendable deck for seating system An extendable deck assembly for a seating area includes a deck portion that is extendable from a base portion to provide a substantially planar support platform. The extendable deck assembly includes a support assembly positioned within the base portion and configur... | 03/04/2008 |
| 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 |
| 7144351 | Multi-configurable exercise device The invention is incorporated in an exercise device comprising three blocks: a “first block”, a “second block” and a “third block”. Each block has a horizontal platform (herein, “first horizontal plafform”, a “second horizontal platform” and a ... | 12/05/2006 |
| 7131655 | Running board, motor vehicle including a running board, and methods for manufacturing and using a running board A running board is provided by the invention. The running board includes a deck and a plurality of attachment members. The deck and the plurality of attachment members are formed from a continuous polymer composition. The deck has a stepping surface and a support st... | 11/07/2006 |
| 7100334 | Conveyor for conveying people A conveyor specialized to convey people, and more particularly a conveyor which may serve as a conventional staircase, comprises treads that can individually raise and lower by the amount of the tread rise. To ascend, a user stands on the lowest level, and the tread... | 09/05/2006 |
| 7096592 | Method and apparatus for locating hole positions on an adjustable stair stringer A stairway can be constructed by using movable tread/riser supports placed along a stairway stringer and the supports can be moved as a group or individually to accommodate a stairway slope of any desired degree. It is desirable to mark a stringer for the uniform eq... | 08/29/2006 |
| 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 |
| 7080806 | Overhead space access conversion monument and service area staircase and stowage system An overhead area access staircase stowage system (7) includes a servicing unit (10) having a stowage unit and a staircase (12) proximate to the stowage unit. The staircase (12) has a stowed state (18) and a deployed state (20 | 07/25/2006 |
| 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 |
| 6957716 | Emergency stairway escape apparatus for wheelchairs An emergency stairway escape apparatus permitting wheelchairs to egress a multi-story building via a stairway comprises a ramp platform of sufficient width to cover at least half of each stair tread and of sufficient length to span from an upper landing to a lower l... | 10/25/2005 |
| 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 |
| 6918190 | Mechanism for simultaneously adjusting the step support angles of a straight staircase A mechanism for simultaneous angle adjustment of support elements (4), particularly for setting up a mold structure for the steps of a straight staircase, has a casing (9) in which at least two interdependent shafts (6) are arranged. Each of the... | 07/19/2005 |
| 6868944 | Adjustable stair stringer and railing An adjustable stair stringer and railing construction assembly is disclosed. The assembly is adapted to use a pair of parallel stringer arms for each side of the stair, a riser/tred support bracket for each stair and alignment and spacing elements for spacing the su... | 03/22/2005 |
| 6854216 | Self-storing handrail assembly for telescoping seat assembly A self-storing telescoping seat assembly is disclosed which comprises rows of seating movable between a retracted position where the rows of seating are generally stacked on top of one another, to an extended position and a handrail assembly affixed to a correspondi... | 02/15/2005 |
| 6814522 | Pivot assembly A pivot assembly particularly adapted for pivotally interconnecting a pair of relatively thin parallel walls spaced an appreciable distance from one another. A stud with a pivot joint on one end is interposed between the walls. ... | 11/09/2004 |
| 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 |
| 6742311 | Modular transportable floor decking system A modular portable floor decking system for constructing a temporary or a permanent flooring structure is described. The system comprises a plurality of extruded metal hollow support posts and a plurality of beams interconnectable with the posts to form a support fr... | 06/01/2004 |
| 6694677 | Transportable podium The invention relates to a transportable podium (1) with step elements (2) which in an operating position of the podium (1) have different heights above a floor (6). To facilitate the assembly and disassembly of a mobile podium (1) the invention provides ... | 02/24/2004 |
| 6691828 | Scaffold stair A scaffold stringer which is a plate and a series of tread mounts attached at substantially uniform distances along the plate, the tread mounts forming an angle with the plate, each tread mount having an associated finger projection positioned above each ... | 02/17/2004 |
| 6665987 | Staircase, staircase repair device and methods of fabricating same In the first embodiment, a staircase repair device or kit is provided which includes two components, namely, a stair tread repair member and a riser repair member. These members are placed on an existing staircase to provide a protective covering. In the ... | 12/23/2003 |
| 6655098 | Stair module support and leveling system An improvement to a stair module support system includes a flexible engagement between a post and a channel attached to the underside of a stair module. The flexible engagement enables the stair module support system to be assembled and placed into a stor... | 12/02/2003 |
| 6546680 | Level transition device for portable buildings The present invention comprises various combinations of 2"×4", 2"×6", 2"×8", 2"×10" and 2"×12" members stacked on top of one another with one longitudinal edge of each member co-aligned. In this configuration, the non-aligned longitudinal edges form ... | 04/15/2003 |
| 6527081 | Embankment stairway A portable embankment stairway with steps that can be adjusted for the slope of the section of the embankment on which it is temporarily installed to provide level footing for workmen on the stairway.... | 03/04/2003 |
| 6516574 | Modular stairway system, method for erecting stairway and kit therefor The present staircase includes a permanent framing made of metallic stringers, one of which being typically secured to a half-timbering. vertically extending step supports are secured along the stringers and each include upper and front flanges adapted to... | 02/11/2003 |
| 6474024 | Variable riser seating system The seating section of a seating system is variable in slope between high riser and low riser positions forward ends of the pivotable treads forming a deck surface overlap confronting ends of adjacent treads, and lever arms maintain the treads substantial... | 11/05/2002 |
| 6467234 | Stairway system A prefabricated stairway module (10, 11) comprises a first step and a second step, each step (14) having a tread member (13) and a riser member (15). The stairway module further has fixing means (31) for fixing the module to a sloping surface on which it ... | 10/22/2002 |
| 6415891 | Scaffold stair A scaffold stringer which is plate and a series of tread mounts attached at substantially uniform distances along the plate, the tread mounts forming an angle with the plate, each tread mount having an associated finger projection positioned above each tr... | 07/09/2002 |
| 6354403 | Adjustable stair stringer and railing An adjustable stair stringer and railing construction assembly is disclosed. The assembly is adapted to use a pair of parallel stringer arms for each side of the stair, a riser/tred support bracket for each stair, and alignment and spacing elements for sp... | 03/12/2002 |
| 6354041 | Aisle riser backstops for telescoping seating systems A deployable telescopic seating structure employs a backstop arrangement to prevent users and operators from coming into contact with structure that may cause injury, such as interengaging metal elements that limit the extent of deployment The backstop po... | 03/12/2002 |
| 6318033 | Staircase, staircase repair device and methods of fabricating same In the first embodiment, a staircase repair device or kit is provided which includes two components, namely, a stair tread repair member and a riser repair member. These members are placed on an existing staircase to provide a protective covering. In the ... | 11/20/2001 |
| 6256946 | Adjustable stairway for use with an overcast in a mine An overcast system for a mine is disclosed. The system includes and overcast positioned at an intersection of mine passageways and operable to direct airflow through the passageways in a desired flow pattern at the intersection. Stairways are positioned a... | 07/10/2001 |
| 6243991 | Variable floor height tiered stand Variable floor height tiered stands installed in a gymnasium, auditorium, indoor or outdoor athletic field or the like, including tiered floor members of which displacement in the fore-and-after direction and variation in depth are minimized when their in... | 06/12/2001 |
| 6234272 | Releasable, portable stairway for use with a boarding bridge A portable stairway for use with standard airport boarding bridges is disclosed. The stairway is easily portable as a standalone unit. The stairway also easily connects to and disconnects from the boarding bridge. The type of releasable connection provide... | 05/22/2001 |
| 6205722 | Molded plastic stairway and rail structure and method of assembly A stairway (10) is shown in FIGS. 1 and 2 in one embodiment of the invention in which a pair of side support panels (12, 14) are formed of a hollow plastic material. Side support panels (12, 14) have closed end columns (24, 26, 28) extending from an outer... | 03/27/2001 |
