U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

Newsletter  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.

 

Class 52/784.11 - Fire resistant


Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Structure which is specifically designed to retard flame
No. of patents: 62
Last issue date: 10/25/2011


1    
NumberTitleIssue Date
8042316Fireproof door
The present invention relates to a fireproof door, which comprises a fire-protection glass and a support means for supporting the fire-protection glass, and the support means comprising an elastic member in contact with both surfaces of an edge portion of the fire-p...
10/25/2011
7669383Fire door
A fire door designed to slow the progress of a fire in a dwelling or commercial building. More particularly, a fire door having one or more vertical stiles that include a layer of intumescent material. ...
03/02/2010
7587876Door edge construction
A door is constructed with a separate member joined to the door edge by a tongue-and-groove coupling and screws so as to be readily removable and replaceable. The separate member sustains the impacts imparted to the door by carts or wagons pushed past the door and c...
09/15/2009
7328539Door and method of making same
A door and a method for manufacturing a door are described. A door according to an embodiment of the present invention comprises a split frame, or two frames. Each split frame is attached to an inner surface of a skin and a core material is poured onto the inner sur...
02/12/2008
7287784Fire-blocking door lock structure
A fire-blocking door lock structure is mounted on a fire-blocking door including a frame member, a push handle and a casing. The casing has the bottom thereof fixed to a plate member and connected to a base body. The fire-blocking door lock structure includes a midd...
10/30/2007
7275352Fire retardant panel door and door frame having intumescent materials therein with a 90 minute fire rating
A fire retardant panel door, including a panel door having at least one door panel and stiles and rails. The door panel includes an interior composite section formed by a first plurality of layers of intumescent materials and a first plurality of layers of fire resi...
10/02/2007
7232012Elevator shaft door
An elevator shaft door having a door panel composed of a front wall and rear wall, which walls are connected together by a thermally releasable material, wherein at least a part of the closing edge of the respective door panels consists of a profile member that is f...
06/19/2007
7216464Modular oven wall panel assembly
A modular oven, such as a batch process oven, includes a standardized set of self supporting, interconnectable panels which, when assembled, from a self-supporting heat containment shell, free of added structural support members. The present invention is also direct...
05/15/2007
7185468Multi-layered fire door and method for making the same
A door has a core that includes a porous layer having a thickness and two opposing major surfaces. In one construction, the core also includes three fire-retardant layers, and two of the fire-retardant layers are separated by the porous layer. The porous layer and t...
03/06/2007
7143561Veneered raised panel element and method of manufacturing thereof
The present invention relates to veneered paneled elements such as doors. For example, a veneered raised panel door could include two vertically-oriented framing members (e.g., stiles) and two horizontally-oriented framing members (e.g., rails). These members are co...
12/05/2006
7143870Elevator hall door and door hanger apparatus
A door panel comprises a surface board 11 facing a hoistway, a back board 12 facing a hoistway, and a reinforcing member 13 for reinforcing the surface board 11 and the back board 12 . The back board is connected to the surface boa...
12/05/2006
7117640Radio frequency shielded and acoustically insulated door
A door for a RF shielded and acoustically insulated room. The door includes a door panel and door frame adapted to electrically and pivotally contact the door panel. The door panel includes a noise absorbing material and a noise insulating gap disposed between outer...
10/10/2006
7114303Cover assembly for a through-penetration
A fire stopping apparatus for fire stopping a through-penetration includes fire stop material arranged within the through-penetration, a frame arranged adjacent the top opening of the through-penetration, and a plurality of slats arranged on the frame adjacent the t...
10/03/2006
7028431Fire-resistant door
A fire-resistant, aluminum, cementitious-material-free, insulation-free door adapted to prevent the spread of fire and heat passing therethrough, consists of: a door frame, a door hingedly mounted on the door frame, the door having a bottom wall, a top wall, and sid...
04/18/2006
6988592Door and door hanger device at elevator landing
A door panel includes a surface board facing a hoistway, a back board facing a hoistway, and a reinforcing member for reinforcing the surface board and the back board. The back board is connected to the surface board or the reinforcing member by a connecting member ...
01/24/2006
6981351Fire rated door with a surrounding door frame
A fire rated door with a surrounding door frame, consisting of a glass pane, which is embedded between its circumferential metal frame, said fire rated door consists of at least one door leaf realized from two glass panes spaced apart by means of profiles, whereby t...
01/03/2006
6962031Doors
A door comprises a framework formed from lengths of pultruded synthetic material having a low coefficient of thermal expansion, the space defined by the framework may be at least partially occupied by a core comprising a body of synthetic, structural-density, foam m...
11/08/2005
6886306Fire-resistant material and method of manufacture
The present invention provides a building material derived from straw, such as rice straw, that has significantly improved fire-resistance properties over traditional cellulose-based materials. In one embodiment, the invention provides a method of fabricating a boar...
05/03/2005
6874284Fire safety unit
A modular, self contained room that can be assembled within a building structure or built at one location and moved into a building structure. The room will have a battery operated electrical system, a self-contained air system and the walls will have a fireproof ge...
04/05/2005
6873920Oxygen fire and blast fragment barriers
A blast fragment and oxygen fire safety barrier comprising a corrugated impact panel connected to and spanning a pair of columns designed by directly impacting the barrier with a fragment of specified weight at a specified velocity to obtain test values for use in d...
03/29/2005
6846358Fire door core
The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the present invention is prepared from an aqueous mixture of expanded perli...
01/25/2005
6668499Fire door or window
Fire door or window, comprised essentially of a glass pane that is embedded in a metal frame that surrounds it, whereby the fire door has a modular construction and thereby is comprised of at least one door panel that is formed by two glass panes that are...
12/30/2003
6643991Fire door and method of assembly
The invention is directed to a fire door having a core, stiles, and rails formed of resin bonded exfoliated vermiculite, wherein the core has a density which exceeds that of the stiles and rails. The invention is also directed to such a fire door addition...
11/11/2003
6615544Fire-resistant door
A fire-resistant, aluminum, cementitious-material-free, insulation-free door adapted to prevent the spread of fire and heat passing therethrough, consists of: a door frame; a door hingedly mounted on the door frame, the door having a bottom wall, a top wa...
09/09/2003
6606831Fire rated door and fire rated window
Fire rated door or fire rated window to prevent the spread of smoke and fire which is suitable for use in the region of a fire protection partition, said fire rated door or fire rated window comprises a mobile frame with a filling compartment consisting o...
08/19/2003
6588162Reverse molded panel
A reverse molded fiberboard panel; a wainscot kit comprising a plurality of differently sized reverse molded panels, and a planar finishing or spacer panel, adapted to completely cover any size wall between a wall base board and a wall chair rail; and a m...
07/08/2003
6554893Fire door core
The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the present invention consists essentially of expanded perlite, ...
04/29/2003
6453638Press molded door with improved reinforcement material and stile structure
A press-molded door including a reinforcing structure having a plurality of hollow vertical stiffeners joined by a horizontal web, two of the stiffeners arranged on opposite edges of the reinforcing structure with a groove formed in an edge face thereof, ...
09/24/2002
6434899Fire resistant door edge construction comprising a stile with groove, high density strip in the groove, an intumescent strip seal, covered by an edge lipping
A fire resistant door edge construction composed of an incombustible door stile including an intumescent seal intimately fixed in a groove in the stile, over a rigid strip of high density material located in the base of the groove for anchoring hinge scre...
08/20/2002
6421968Fire wall
Firewall that is used in an area of a fire compartment to prevent fire from skipping to other areas, whereby the fire wall is comprised of modularly constructed sub-elements which are essentially composed of profiles assembled to form a surrounding frame ...
07/23/2002
6381917Lift door panel
A lift door panel which, apart from a good sound and vibration damping with a high degree of rigidity, is producible to be largely distortion-free, wherein a warping in the case of fire and under high heat effect is reduced or avoided. The door panel has ...
05/07/2002
6344259Method of finishing edge of sheet glass, heat-tempered sheet glass using the method, and fire resistant construction material using the heat-tempered sheet glass
A method of finishing an edge of a sheet glass is disclosed. The method includes a first grinding step for grinding an edge of a sheet glass so as to provide the edge with an outwardly convex curved shape, and a finishing step for finishing a bordering po...
02/05/2002
6340389Fire door core
The present invention describes improved fire door cores and improved methods of making these fire door cores. The fire door core of the present invention comprises expanded perlite, a fireproof binder, fire clay or vermiculite, and optionally one or more...
01/22/2002
6270915Gypsum board/intumescent material ceiling boards
A gypsum board/intumescent material ceiling board includes a gypsum board and a fire-resistive barrier. A first major surface of the gypsum board is an upper side for abutting framing and a second major surface of the gypsum board is an underside for faci...
08/07/2001
6182407Gypsum board/intumescent material fire barrier wall
A gypsum board/intumescent material fire barrier wall includes spaced apart, vertically extending metal or wooden studs with only one layer of gypsum board secured to each side of the studs to form a fire barrier wall with a wall cavity. An intumescent ma...
02/06/2001
6119411Enclosure which is fire-resistive for a predetermined period of time
An enclosure that is fire-resistive for a predetermined period of time including a floor having a structural forging which is covered with a glass wool felt. A platform of wooden plates is affixed to the glass wool felt. Lateral expansion joints are posit...
09/19/2000
6115976Door edge assembly for creating a smoke seal about a closed door mounted within a door frame
An assembly for sealing a fire resistant door within a door frame during a fire event is provided. The fire resistant door has a plurality of edges. The assembly comprises a first body portion and a second body portion secured to the first body portion. A...
09/12/2000
6112496Metal and wood door with composite perimeter
In a composite metal and wood door, two metal panels (10,32) that are aligned in parallel relationship are secured together by connectors (56-70, 88-102). Panels (10,32) and connectors (56-70, 88-100) cooperate to define channels (122-136) that receive co...
09/05/2000
6061985Plate-shaped fire-resistant element in a sandwich construction
Plate-shaped fire-resistant elements in a sandwich construction have at least three layers connected with one another and resist fire from a front and a back side. The fire-resistant elements are intended in particular for a ceiling or a wall of a buildin...
05/16/2000
6004655Method of finishing edge of sheet glass, heat-tempered sheet glass using the method, and fire-resistant construction material using the heat-tempered sheet glass
A method of finishing an edge of a sheet glass is disclosed. The method includes a first grinding step for grinding an edge of a sheet glass so as to provide the edge with an outwardly convex curved shape, and a finishing step for finishing a bordering po...
12/21/1999
1    
 
Sign InRegister
Username  
Password   
forgot password?