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 |
| 8113261 | Window covering A window covering includes a roller attached to a mounting device and an actuation device attached to the roller to rotate the roller in at least one of a first direction and a second direction. A front member is attached to the mounting device. A second member is a... | 02/14/2012 |
| 7938161 | Kit for a roman shade A Roman shade is provided with a child safety device that includes a plurality of release devices configured for attachment to the shade material of the Roman shade. Each release device includes a female member and a male member that releasably connect together such... | 05/10/2011 |
| 7931066 | Roman shade Upper ends of the first fabric and the second fabric are attached to the head rail, respectively, and the first lift cord and the second lift cord suspended from the head rail in a liftable manner are coupled to the first fabric and the second fabric, respectively. ... | 04/26/2011 |
| 7845383 | Roman shade with inverted fan shape at its bottom A window covering in the style of a Roman shade has a straight bottom edge when the shade is lowered and that forms into an inverted fan shape when the shade is raised. Spaced parallel creases in the shade simulate pleats when the shade is in a lowered position and ... | 12/07/2010 |
| 7806159 | Flexible window covering A window covering having a flexible panel and a first lift cord for raising the flexible panel. A second panel is at least partially coextensive with the flexible panel and a second lift cord is provided for raising the second panel. The flexible panel may have an u... | 10/05/2010 |
| 7703499 | Portable curtain retraction device and system A portable barrier retraction device and system for retracting and deploying barriers, such as theatrical curtains. The portable barrier retraction device for retracting and deploying barriers, such as theatrical curtains. The device includes a rotatable shaft in ro... | 04/27/2010 |
| 7686058 | Operation handle assembly for curtains A curtain includes a top rail and a sheet of fabric having a top end connected to the top rail, a handle assembly is connected to a lower end of the sheet of fabric. The handle assembly includes two transverse bars received in the sheet of fabric and two upright bar... | 03/30/2010 |
| 7686057 | Closing sleeve for tunnels of folding curtains The invention relates to a method for closing off at least one tunnel (2) extending across the width of a folding curtain, after a strengthening rod (3) has been inserted into this tunnel on the one hand, and a folding curtain comprising at least one t... | 03/30/2010 |
| 7673665 | Cordless flexible window covering A window covering comprises a flexible panel having a top edge and a bottom edge. At least one lift cord is provided for raising and lowering the bottom edge. Each lift cord is connected to one end of a stiffener at a first point and the opposite end of the stiffene... | 03/09/2010 |
| 7654299 | Window shade liner method and apparatus A universal removable liner attaches to a Roman shade to block sunlight and provide privacy. The shade retraction mechanism draws the shade up in tiers with one or more lift cords. The liner links to the shade across the top of the shade and at the lift cords, with ... | 02/02/2010 |
| 7533711 | Roman a blind assembly The present invention is a method of attaching a ring member to a cord using a minimum of steps. The method includes the steps of providing a hobble cord having opposite first and second ends and a plurality of loops. The loops of the cord are preferably preformed o... | 05/19/2009 |
| 7523777 | Roman shade A roman shade comprises an operation box section for rotating a rotation gear as a driving ball chain (25) is pulled down; a rotation shaft (40) fitted into the rotation gear; a frame surrounding the operation box and the rotation shaft (40) and... | 04/28/2009 |
| 7438113 | Window covering having operable segments A window covering has a headrail, a plurality of lift cords extending from the headrail and a plurality of shade elements positioned sequentially below the headrail. Each shade element has an upper edge and a lower edge which edges are substantially parallel to one ... | 10/21/2008 |
| 7435378 | Method and apparatus for treating goods The present invention is directed to a method and apparatus for treating goods, such as, for example, fumigating and re-cooling perishable goods, such as fruit, using a tarp and floor seal. The apparatus encloses goods on a surface and includes a canopy that is subs... | 10/14/2008 |
| 7370588 | System for rapidly fixing a cloth to a table or other flat surface A system and device for fixing a cloth, such as a tablecloth or a curtain, to a table or other surface, and also permitting to apply to the same cloth other decorative elements such as draperies. This system is includes a fixed element that is attached to the table ... | 05/13/2008 |
| 7353856 | Window covering having roll-up shade segments A window covering has a plurality of shade elements, each having a first longitudinal edge and a second longitudinal edge. The shade elements are positioned sequentially below a headrail, and each shade element is made of a window covering material that can be rolle... | 04/08/2008 |
| 7320353 | Retractable screen for structural openings A retractable screen is provided for covering a structural opening by mounting it within the opening. The screen comprises a screen panel, first mounting means for mounting the side edges of the screen panel, and second mounting means for mounting the top edge of th... | 01/22/2008 |
| 7302985 | Lowerable blind for irregularly-shaped windows A window covering for an irregularly-shaped window includes a panel, comprising accordion folds, configured to fold up at a base of the window, and to raise and unfold to a substantially planar configuration. A top edge of the panel is shaped to match a top shape of... | 12/04/2007 |
| 7293596 | Window blind structure with multiple rods and blinds A window blind structure with multiple rods and blinds includes a plurality of support brackets, hook elements, head rails, and blind bodies wherein each support bracket is equipped with a fixing end with multiple fixing thru-holes disposed thereon for the secure en... | 11/13/2007 |
| 7290582 | Roman shade having suspension structure A roman shade includes a headrail, a plurality of tracks each mounted on the headrail, a plurality of suspension members each mounted on a respective one of the tracks and each having an inside formed with a locking groove, and a shade cloth having an upper end exte... | 11/06/2007 |
| 7284587 | Blind structure An improved blind structure includes a Roman blind having a head-rail made up of a first and second engaging sections symmetrically extending at both top lateral sides thereof for a plurality of guide sliding seats to be respectively mounted thereto wherein a pull c... | 10/23/2007 |
| 7275580 | Roman style shade A window covering having a plurality of panels comprising a head rail and a plurality of panels suspended from the head rail by a securement member and at least one opening member is provided. Each of the plurality of panels is collapsible and includes a pair of opp... | 10/02/2007 |
| 7273529 | Method of making a window covering from fabric segments In a method for making a window covering the user selects a first segment of cellular material in which there is a top cell having a top surface, at least one glue line on the top surface and a strip of fabric on the at least one glue line. The strip of fabric and a... | 09/25/2007 |
| 7252132 | Window covering A window covering has a headrail, a plurality of lift cords extending from the headrail and a plurality of shade elements positioned sequentially below the headrail. Each shade element has two longitudinal edges which are substantially parallel to one another. A fla... | 08/07/2007 |
| 7243698 | Pleated shade with sewn in pleats A pleated shade with sewn in pleats is provided, in which each pleat is formed by a seam. Preferably, the seams that form pleats in the front side of the material separate only a few threads of the fabric from the main portions of the pleat. The seams that form plea... | 07/17/2007 |
| 7237303 | Curtain suspension device and a method of suspending curtains A curtain suspension device for hanging curtains flatly (for hanging panel curtains) comprises a main rod (16) arranged to a wall and at least two elongate shorter rods (15) with open books (17, 26) at both ends. The short rods are adapted to be... | 07/03/2007 |
| 7222656 | Method of making a window covering In a method of making a window covering material a plurality of slats preferably made of fabric or plastic film, are provided. Each slat has opposite longitudinal edges and each longitudinal edge has a pocket with at least one transverse slot. There is one rail for ... | 05/29/2007 |
| 7213680 | Acoustical wall covering assembly pleated and secured in situ for covering walls in movie theatres and method An acoustical wall covering assembly (10) with pleats (11) formed and attached in situ to a trim member for covering a wall of a movie theatre, in which a panel (22) of an acoustical wall covering attaches to a pleating member (22) having... | 05/08/2007 |
| 7213633 | Method of forming scalloped configuration in curtains A method of forming scalloped configuration in a single or double-layer curtain comprises providing the curtain with a pair of ties with their upper ends attached to the curtain and their lower ends hanging freely. A solid bead having a passageway therethrough is sl... | 05/08/2007 |
| 7198087 | Roman type blind drapery structure A Roman-type blind drapery structure includes a Roman-type drapery made up of a blind body wherein the blind body has an upper tubular section transversely disposed at the top edge thereon for an upper beam made of a major/minor telescopic rod to be led there-throug... | 04/03/2007 |
| 7198388 | Curved flexible light control grids with rigid framework Light control grids in curved ceilings or walls include an assembly of flexible, spaced-apart sets of fabric strips that intersect and interlock, one of the sets of strips being substantially curved along its length and/or of varying length. The grids are supported ... | 04/03/2007 |
| 7191816 | Retractable shade with collapsible vanes A retractable cover for architectural openings having collapsible vanes includes a support structure in the form of a sheet of material, monofilaments, tapes, ribbons, cords, or the like, supporting an upper edge of a plurality of vertically spaced, horizontally ext... | 03/20/2007 |
| 7185692 | Fabric blind slat for window blind A fabric blind slat for a window blind includes a base fabric made from an opaque knitted fabric, two coil units respectively coupled to and extended along two opposite edges of the base fabric, and two supporting sleeves respectively enclosed inside the two coil un... | 03/06/2007 |
| 7174943 | Curtain hoisting clutch apparatus An improved curtain hoisting apparatus is wedged to a left end of a track and mainly includes a gear located on the bottom of an anchor body. The gear has a spindle pin movable in an m-shaped channel formed on an inner side of a wedge plate. The spindle pin is allow... | 02/13/2007 |
| 7150304 | Cordless blind structure A cordless blind can include an upper beam, a body, and a plurality of magnet components. Generally, the body is attached to an underside of the upper beam. The body may include a top and foldable slats. One slat can be the bottommost slat. Generally, the plurality ... | 12/19/2006 |
| 7131481 | Flexible curtain rollup door with combination stiffening struts and windlocks A flexible curtain rollup door includes a drum mounted on a door frame and drivenly connected to an electric right angle gear motor unit. The frame includes opposed channel shaped guide tracks for receiving opposed side edges of a door curtain. Spaced apart elastica... | 11/07/2006 |
| 7124801 | Roman blind assembly An improved Roman blind assembly is disclosed. The Roman blind assembly consists of a fabric screen mounted to a pair of suspension cords and a pair of pull cords. Each of the suspension cords consists of an elongated flexible cord having a plurality of loops formed... | 10/24/2006 |
| 7117917 | Blind fabric A fabric for use in window blind systems, the fabric comprising a first fabric layer bound via an adhesive to a base fabric. The fabric is preferably formed into a Roman blind fabric by the provision of elongate, widthwise channels. ... | 10/10/2006 |
| 7096633 | Method of hanging a false cloth ceiling A false ceiling having flexible material connected to an elongate U-shaped beam or rail, the beam fixedly connected to existing trusses via clamps. The U-shaped beam has a pair of vertical flanges with inner surfaces for receiving an end portion of the flexible mate... | 08/29/2006 |
| 7059378 | Fabric light control window covering A fabric light control window covering in which fabric vanes are adhesively bonded between two sheer fabric sheets such that relative movement between the sheer fabric sheets in a direction perpendicular to the longitudinal direction of the fabric vanes changes the ... | 06/13/2006 |
