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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7963071 | Louvre window system A louvre window system has an end clip (10) which is formed with at least one internal drainage channel (14) which can drain water through the end clip (10). A number of such clips can rotate between an open position and a closed position. The c... | 06/21/2011 |
| 7921602 | Shutter assembly A shutter assembly includes a stile having a solid core and a plastic outer cover. Holes are formed in the plastic outer cover and aligned with an axial groove formed in the solid core to receive a slotted louver pin. The louver pin includes a pair of arms that prov... | 04/12/2011 |
| 7434353 | Electric blind An electric blind includes a frame, a plurality of horizontal slat units, and a stepping motor. The frame has two side vertical rods pivotally connected with the slat units, and a linking rod is fixed with a lengthwise side of all the slat units, possible to force t... | 10/14/2008 |
| 7363748 | Flush mounted louver end cap with tolerance flashing A plastic louver which is to be swingably mounted in a shutter frame has a generally hollow louver body with a mouth at each end of the louver body. An end cap is fitted to each end of the louver body. Each end cap has an insert part which slides into the mouth and ... | 04/29/2008 |
| 7353636 | Adjustable size shutter with rack and pinion tilt mechanism A shutter is provided that utilizes a rack and pinion mechanism for tilting the louvers of the shutter. The rack and pinion mechanism preferably is hidden within the stiles of the shutter. In a preferred embodiment, the louvers of the shutter may be installed and re... | 04/08/2008 |
| 7124537 | Decorative shutter with hidden louver control A shutter includes a frame with frame members that are spaced apart from one another, and a series of louvers are respectively rotatably mounted to the frame members. At least one of the frame members includes a casing defining a cavity. A controller, which preferab... | 10/24/2006 |
| 7104010 | Hermetic jalousie window hardware A glass holder for a jalousie window, including a body having two parallel side walls which define a slot, and two webs which extend substantially perpendicularly in opposite directions from a base of the slot walls. The body has a length and the webs each extend fr... | 09/12/2006 |
| 7082719 | Shutter blind A louver assembly includes a frame that forms a frame opening. The frame has a front face and a hollow recess in the front face. A series of parallel slats are mounted in the frame opening. The slats are pivotally displaceable between an open position and a closed p... | 08/01/2006 |
| 7055231 | Method of manufacturing a prefinished fiberboard shutter A shutter manufacturing method provides a coated manufactured wood substrate sheet. A plurality of attached shutter components are identified. The attached shutter components are configured edge-to-edge and end-to-end so as to comprise the substrate sheet. The attac... | 06/06/2006 |
| 6988528 | Overhead door assembly An overhead door assembly as comprised of a plurality of door panels each of which is of hollow extruded plastic material to provide a very light weight panel. The panels are pivotally interconnected with each other and are provided with brush assemblies at opposite... | 01/24/2006 |
| 6901701 | Modular assembled shutter set A pre-cut, pre-painted shutter door includes a pair of vertical members available in a range of discrete or quantum heights, and having a two level slot along their length for engaging an upper and a lower panel to form the outer portions of a shutter door. Vertical... | 06/07/2005 |
| 6810620 | Adjustable height shutter A shutter design is provided that permits easy, economical adjustments in height. This may be achieved by providing varying heights of rails, by providing adjustable light stop strips, by adjusting the pitch of the louvers, or by a combination of two or more of thes... | 11/02/2004 |
| 6810621 | Friction brake for louvered structures A friction brake for a louvered structure having a plurality of slats pivotally interconnected between opposed stiles of a rectangular frame is described. The friction brake is a flat arm having a pair of spaced apertures. One of the apertures is dimensioned to rece... | 11/02/2004 |
| 6655091 | Shutter assembly A shutter assembly replaces one or more of the conventional fixed rails with one or more attaching louvers that fixedly attach the attaching louver to the left and right stiles, completing the framing function of the replaced rail(s). A hanger bolt is att... | 12/02/2003 |
| 6602014 | Shutter system and pivoting connectors Several embodiments of the shutters employ a variety of synergistic features which may be used individually or in combination to produce a shutter capable of more completely shutting out light. One aspect is the use of a two-step overlapping end to provid... | 08/05/2003 |
| 6536162 | Mounting mechanism for shutters having movable louvers A shutter panel having a plurality of louvers having a composite construction. Each of the louvers is rotationally coupled to a shutter frame by a drive pin on one end and a support pin on the other end. The drive pins are linked to a rack and pinion louv... | 03/25/2003 |
| 6401395 | Plastic louver body and end cap assembly A plastic louver for a shutter comprises a main louver body with end caps which are made separately from the louver body. The louver body before receiving the end caps has open ends, each of which is defined by a surrounding mouth wall and each end cap ha... | 06/11/2002 |
| 6226922 | Window shutter A window shutter having a blade assembly which has a non-metallic blade section and an extruded metal mounting section. The metal mounting section is pivotally mounted to the frame and is preferably aluminum or other light materials. In a preferred embodi... | 05/08/2001 |
| 6098340 | Louvre window assembly A louvre blade assembly of a louvre window. A plurality of louvre blade mounts (20) are rotatably mounted to a mullion (10). Control bars (14) within the mullion are operable by a handle (11). The control bars (14) are selectively movable to be moved to a... | 08/08/2000 |
| 6041547 | Shutter with side pull control bar A shutter having a generally rectangular frame with side frame members and top and bottom members, of hollow thermo-plastic construction, and having a plurality of hollow thermo-plastic blades extending horizontally from one side frame to the other, and h... | 03/28/2000 |
| 5982204 | Information-discriminating circuit An information-discriminating circuit has a biasing device that superposes bias voltage on an input signal, and a comparator that discriminates information by comparing an output signal from the biasing device with a threshold value. The difference betwee... | 11/09/1999 |
| 5964061 | Sliding door corner connector A corner connector for a door having frames and stiles seating a panel therewithin includes a bracket providing a channel in which is a generally planar body portion and a door mounting member so as to slidably movable on the bracket in a direction genera... | 10/12/1999 |
| 5941021 | Louver-type window and slat therefor A slat for pivotally mounting between a pair of opposed frame members of an opening. The slat has an elongated member having first and second walls that are coupled together to form first and second longitudinally extending side edges and first and second... | 08/24/1999 |
| 5921028 | End closure for louvre shutter A louvre, for use in a louvre shutter and having a generally hollow elongated aerofoil shape, defined by upper and under exterior walls, intermediate support walls between the upper and under exterior walls, for holding the shape of the upper and under ex... | 07/13/1999 |
| 5887386 | Window shutters with movable louvers Movable louvered window shutters embody a construction and a process for their fabrication that results in a shutter having a high quality, functionally and aesthetically. The shutters use a hardware arrangement including two types of louver pins, a compr... | 03/30/1999 |
| 5794380 | Louvre window clip assembly A louvre window clip assembly that is used with a window frame. The clip assembly includes a clip, that is capable of receiving a glass window pane, and a hub. The hub and clip are engaged so that the clip is removable from the exterior of the window fram... | 08/18/1998 |
| 5778598 | Shutter door assembly A shutter door assembly assembled primarily from extruded plastic components is provided. The shutter door assembly includes an outer rectangular frame surrounding a pivotally attached vaned panel door. Various side, top, and bottom legs of the frame and ... | 07/14/1998 |
| 5775399 | Louvered blind with removable cloth shades A louvered blind (10) including an outer frame (12) and a plurality of louvers (14) mounted within the frame is disclosed. Each louver includes a removable cloth shade (26) and an improved support assembly (28) for supporting the shade within the frame. E... | 07/07/1998 |
| 5673516 | Sliding door corner connector A rigid corner connector for a door having a frame with stiles and rails seating a panel therein, includes a bracket having a generally planar body portion with perpendicular sidewalls defining a channel and having inwardly extending lips along an interme... | 10/07/1997 |
| 5630295 | Interface mechanism for interfacing a louver to a stile of a shutter system An interface mechanism is used for shutter systems, which includes a hollow nylon bushing and a pin. The pin is positioned within the hollow bushing by inserting the pin therethrough and into the louver. The nylon bushing is press fitted into the stile an... | 05/20/1997 |
| 5572831 | Louver assembly with cover and cap A louver assembly is disclosed. The louver assembly includes a louver, a pair of generally L-shaped side flanges formed on the louver, a cover overlaying the louver, and a cap secured to the cover and the louver. The side flanges are formed on either side... | 11/12/1996 |
| 5560147 | Movable louver window A movable louver window has a frame body and a plurality of double-vane assemblies each having first and second louver vanes and a pair of left and right coupling members. Each pair of left and right coupling members couples said first and second louver v... | 10/01/1996 |
| 5303507 | Adjustable shutters and slats therefor A slat for a shutter is in the form of a hollow, flat tube. The slat is connected to a tubular adjusting rod by a swivel connector which comprises a pair of hook elements and a serrated body portion from which each of the hook elements is supported. The s... | 04/19/1994 |
| 5191735 | Movable louvre clamp A louvred structure comprises a frame with opposing styles supporting a plurality of moveable louvres having pivot pins fitted in pivot pin openings of the styles. At least one of the styles is provided with an interior flexible clamp extending lengthwise... | 03/09/1993 |
| 5179802 | Louvre structures Louvre structures wherein holding members for the louvres are carried on bars which extend across a frame and are pivotally mounted with respect to the frame so as to be axially rotatable relative to the frame and which cannot be removed from the frame, a... | 01/19/1993 |
| 5159783 | End cap for louvre This invention relates to an end cap for use with a hollow sheet metal louvre wherein the end cap 10 comprises an end wall 12, a shaft 16 on one side of the end wall for pivotal mounting of the end cap 10, upper and lower flanges 13 and 14 that extend alo... | 11/03/1992 |
| 5001864 | Shutter assemblies In a shutter assembly (10) for buildings and the like, an array of parallel louvers (11) are preferably made of wood or wood product or of plastics material. Each louver is located by a pair of mounting arms (15) pivoted to parallel upright mullions (12).... | 03/26/1991 |
| 4744290 | Pivoted damper blade and pin therefor A pivoted blade which has a centrally positioned V-shaped pin-receiving depression combined with a slidable mounting pin which is releasably secured within the depression in the blade. This pin comprises an elongated element which is circular in cross-sec... | 05/17/1988 |
| 4709506 | Swivel shutter assembly A swivel shutter assembly providing a plurality of louvers rotationally held within a framework which presents, by ship-lap type of construction between adjacent louvers, a flat wall type appearance when the louvers are fully closed. In addition, the swiv... | 12/01/1987 |
| 4630399 | Security clip for a louver panel A security clip is disclosed for use in a louver panel which prevents removal of the louver panel from its mounting brackets. The security clip extends substantially around the entire periphery of the louver panel and is substantially contained between th... | 12/23/1986 |
