The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 8161685 | Door draft excluder A draft excluder for excluding drafts between a door and the floor. The draft excluder is made up of an elongated angled bracket, at least one clip, a flexible covering, and an elongated weight. The flexible covering can take the form of a cloth covering. The elonga... | 04/24/2012 |
| 8141298 | Removable draft blocker having an end retaining element A removable draft blocker, for blocking drafts by sealing a gap between a bottom surface of a door and an underlying floor surface, includes first and second elongated draft blocking bodies, a base member extending between a bottom of the first draft blocking body a... | 03/27/2012 |
| 7891136 | Removable draft blocker having an end retaining element A removable draft blocker, for blocking drafts by sealing a gap between a bottom surface of a door and an underlying floor surface, includes first and second elongated draft blocking bodies, a base member extending between a bottom of the first draft blocking body a... | 02/22/2011 |
| 7401439 | Adjustable draft excluder An adjustable draft excluder includes at least a first draft blocking body for sealing a gap between architectural members such as a bottom of a door, window, or the like, and an adjacent surface. The draft blocking body includes an elongated sleeve having first and... | 07/22/2008 |
| 7266929 | Threshold and detachable sealing fin A threshold for installation atop a sub-sill of a building wall frame comprises a sill frame and a sealing fin including an upwardly extending upper panel substantially covering the entire forward edge of the sill frame. The sealing fin reduces moisture penetration ... | 09/11/2007 |
| 7182119 | Screen assembly for outwardly projecting window A deformable screen for a window assembly including a sash movably coupled to a frame. The sash is moveable in a substantially horizontal direction relative to the frame. The deformable screen is coupled to the sash and includes at least one engagement portion slida... | 02/27/2007 |
| 7114293 | Magnetic door sweep and magnetic threshold assembly A magnetic door sweep and magnetic threshold is disclosed which reliably aligns and seals to prevent water, air and pests from crossing the threshold of a door. Additionally, the magnetic door sweep and magnetic threshold will prevent shape loss of the door sweep. T... | 10/03/2006 |
| 7062881 | Door threshold A door threshold may include upper and lower members for sandwiching carpet and/or carpet padding therebetween. The threshold may, in certain example embodiments, grip the carpet in order to prevent it from being pulled out from between the upper and lower threshold... | 06/20/2006 |
| 6662518 | Floor covering transition device The present invention provides a device for transitioning between a first floor covering and a second floor covering wherein the transition device includes an elongated core and a covering. The elongated core has a top, a bottom, opposing sides and opposi... | 12/16/2003 |
| 6442901 | Door bottom for allowing air passage A door bottom seal is provided for reducing light and/or noise flow through a door bottom area when a door is closed, while at the same time allowing air flow through the same. In certain embodiments, the door bottom seal includes at least first and secon... | 09/03/2002 |
| 6434787 | Draught excluder for fastening doormats Improved draught excluder for fastening doormats, of the type formed by an elongated prismatic body, consisting in that the prismatic head is formed by a sheet, in that it has, along its side, a "T", and in that its transverse arms are free, one of them b... | 08/20/2002 |
| 6378250 | Door guard A door guard is provided. The door guard includes a pair of positioning seats of symmetrical configuration secured to a door above the bottom of the door and a door guard releasably disposed to the positioning seats. The door guard has an upper plate made... | 04/30/2002 |
| 6374545 | Snap-on door sweep A door assembly includes a door and a snap-on door sweep. The door sweep is attached to the door in an operative position with a gripping engagement to provide a seal between a bottom door surface and a door opening. The door sweep includes a pair of groo... | 04/23/2002 |
| 6286263 | Sliding window track cover device A sliding window track cover that is adjustable to fit different window track widths and also acts as a window locking mechanism. The window track cover is comprised of a male and female subassembly fastened together. The female subassembly has a pair of ... | 09/11/2001 |
| 6253493 | Adjustable bottom sweep for a door A door sweep includes a holder and a plurality of astragals extending from the holder. The holder has a generally U-shaped cross-section defining a cavity for receiving a portion of a door. The astragals are provided with tongues, which are received in gr... | 07/03/2001 |
| 5943825 | Entryway system and method A building entryway system with a high degree of modularity to accommodate active inswing doors or inactive sidelight panels is disclosed for use with conventional jambs. Specifically, an extruded aluminum sill is mated with an extruded polymeric receivin... | 08/31/1999 |
| 5675935 | Door sealing mechanism Disclosed is a door sealing mechanism for sealing specifically the horizontal gaps between bottom rail and sill and between top rail and lintel. The door sealing mechanism comprises a sealing member including a flexible, elongated blocking portion having ... | 10/14/1997 |
| 5475946 | Door draught and weather excluder A draught and weather excluder comprising a gap sealing section which enables simple, fast and effective closure of gaps below hinged and sliding doors is disclosed. The sealing section may be simply fitted to the underside of a door edge using strips of ... | 12/19/1995 |
| 5475948 | Method of sealing a lower edge of a door An apparatus for sealing an edge of a door is described which includes a first elongate sealing element and a second elongate sealing element in parallel spaced relation to the first elongate sealing element. At least one connective member connects the fi... | 12/19/1995 |
| 5469665 | Threshold system A threshold system for a door incorporating a seal and a threshold plate. The seal mounts to the door and has a flap extending therebeneath. The threshold plate has a raised inner section connected to a recessed outer section by an upstanding lip. The thr... | 11/28/1995 |
| 5465532 | Lower edge door seal A seal for precluding an entrance of rodents or debris underneath a door. The inventive device includes a mounting assembly securable to a lower edge of a door, such as a security door or the like. A flexible seal is supported by the mounting means so as ... | 11/14/1995 |
| 5396734 | Device for dividing floor coverings at a door opening A device for dividing coverings on a floor at a door opening, comprises a rail sunk into the floor across the door opening. The rail has a substantially uniform H-shaped cross-section, comprising a cross-member with first arms extending upwardly therefrom... | 03/14/1995 |
| 5371987 | Acoustical door An acoustic door system including an improved peripheral seal and a lower adjustable seal. An acoustic door swings on camming hinges which raise the door upon opening. A lower vertically adjustable U bracket has a lower neoprene sealing strip which contac... | 12/13/1994 |
| 5283977 | Reversible door frame threshold A reversible threshold is provided for positioning beneath a door mounted in a door frame. The threshold includes a base and a riser which is removably connected to the base and provides a sealing surface for the bottom edge of the door. The riser has a s... | 02/08/1994 |
| 5214880 | Door edge construction A door edge construction includes a rectangular door having an elongated side extrusion attached to and extending along one edge thereof. A side cap having a C-shaped cross-section is fitted over the side member and over the edges of the door so as to hid... | 06/01/1993 |
| 5179804 | Self draining door sill assembly A self draining door sill assembly for use in the bottom of an exterior door frame of a house or other building is disclosed. The assembly includes an elongated base and a threshold member adjustably attached to the base for cooperating with and engaging ... | 01/19/1993 |
| 5174065 | Door sweep with face sealing element A door sweep is integrally formed of synthetic resin with a generally planar body portion which is mounted on the bottom of the door and a face sealing portion along its one side. This includes a sealing element which extends upwardly from the body portio... | 12/29/1992 |
| 5168669 | Adjustable lower edge seal assembly for exterior door and storm door An adjustable lower edge seal assembly for an exterior door whereby to seal the bottom edge of the door with the floor below the door frame or a door threshold. The assembly comprises an elongated sealing strip member having a seal carrying base and a tra... | 12/08/1992 |
| 5161329 | Insulated closure structure A closure structure for a walk-in freezer or refrigerator unit capable of being mounted into a rectangular opening, the structure comprising a U-shaped inner frame member and a U-shaped outer frame member which are connected at a mating lip and mating fla... | 11/10/1992 |
| 5150544 | Magnetically mounted door sweep A magnetically mounted door sweep having a magnetic coor engaging portion for securing the sweep to the door and an integral seal retaining portion for cooperatively engaging a seal. The door engaging portion of the door sweep includes a substantially pla... | 09/29/1992 |
| 5067279 | Self draining door threshold A self draining door threshold includes a wedge-shaped silicone check valve in communication with a water reservoir on the interior side. The check valve is normally closed but will yieldably open in response to water pressure which overcomes the resilien... | 11/26/1991 |
| 5056263 | Self-positioning and self-locking door sweep and door assembly therewith A door has horizontally extending channels in each face adjacent its bottom edge which rest an integrally formed bottom seal and sweep member. The seal member has a body portion with a horizontally disposed transverse wall extending along the bottom edge ... | 10/15/1991 |
| 4807396 | Sealing assembly A sealing assembly is disclosed which may be attached to exterior closures for openings, such as doors, of a building or dwelling for sealing the bottom of the closure against weather and the like. The sealing assembly includes an elongated plate having a... | 02/28/1989 |
| 4702038 | Door seal packing, especially for doors with or without thresholds The invention illustrates a door seal comprising a permanently magnetic sealing member along the underneath edge of the door which at the end of the closing action moves at right angles to the direction of closing into the sealing position, and which co-o... | 10/27/1987 |
| 4686793 | Threshold An elongated body is provided for use as a threshold and is transversely stepped whereby the body includes high and low opposite side longitudinally extending upper surfaces. The body includes a central upstanding surface extending between the high and lo... | 08/18/1987 |
| 4513536 | Weather tight seal for the sill of a household door A weather-tight seal for the sill of a household door, consisting of two extrusions preferably of a plastic material that is a poor conductor of heat, insuring great imperviousness due to the automatic adjustment of the bottom portion of the door, which i... | 04/30/1985 |
| 4463523 | Weatherstrip assembly for entry door A weatherstrip assembly comprising an integral extrusion of polymeric material comprising a stiff portion adapted to be adhered on the vertical surface of a door with a flexible strip portion extending below the bottom edge of the door and along a thresho... | 08/07/1984 |
| 4413446 | Threshold assembly An improved threshold assembly for mounting on a door and a door sill is described which includes a sill-mounted portion with a threshold plate formed of nonmagnetically attracted material and a door-mounted portion with a door cap for mounting on the bot... | 11/08/1983 |
| 4411104 | Inswing door bottom and sill assembly An improved door bottom and sill assembly for inswing exterior doors is disclosed. The door bottom and sill assembly consists of a bottom portion and a sill portion. The bottom portion has a sealing member along the interior bottom edge of the door. The s... | 10/25/1983 |
| 4310991 | Door sealing system A sealing system for an entry door incorporates a threshold member having a longitudinally extending open-ended channel in its upper surface. The sweep utilizes a double vertical seal design which encloses the channel when the door is shut. The first seal... | 01/19/1982 |