In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7274509 | Wall roll-up screen The device relates to a wall roll-up screen of which the upper and the lower are attached with the upper short rod and the lower short rod, respectively, wherein the screen is constituted to be rolled up when not in use and to be unrolled when used, by the lower sho... | 09/25/2007 |
| 7240716 | System for coupling roller shade tubes A coupling assembly for a multiple-tube roller shade includes a support assembly for rotatably supporting and connecting adjacently located tube-end portions and a clutch mechanism providing relative rotation therebetween. The support assembly includes a tube-end fi... | 07/10/2007 |
| 7237592 | Maneuvering mechanism and closing installation or sun protection installation incorporating one such device A mechanism (1) comprising a driving element (4) for rotationally driving a winding shaft (2) for a closing or sun-protection installation of an opening (0) and at least one spring (5) for compensating a weight of the installation.... | 07/03/2007 |
| 7195051 | Collapsing and securing device of lateral blinds A collapsing and securing device of a lateral blind includes a lateral blind such as a winding blind, a Roman blind, or a cloth blind, and a number of positioning members fixed at least on one surface of the window curtain, and the positioning members can temporaril... | 03/27/2007 |
| 7178790 | Constructive arrangement feature improvement introduced in poles for the organization of lines A stanchion has three tapes arranged in spaced relation along the upstanding post for controlling pedestrian traffic. Each stanchion/post has four guide grooves that extend the entire length of the post. Each stanchion is of annular cross section having an inner or ... | 02/20/2007 |
| 7137429 | Modular framed covering for architectural openings A modular covering for architectural openings includes a peripheral frame that supports a plurality of rotatable elements that might support strips or sheets of flexible material or rigid slats. The peripheral frame includes a drive system for rotating the members a... | 11/21/2006 |
| 7131801 | Separation device between the machining station and a machine tool driving station A partitioning device between a machining station and a machine-tool driving station of the type driving at least two tool-holder rams is provided. The device includes a flexible curtain, called a central curtain, between two rams, where two ends are integral with a... | 11/07/2006 |
| 7051782 | System for coupling roller shade tubes A coupling assembly for a multiple-tube roller shade includes a support assembly for rotatably supporting and connecting adjacently located tube-end portions and a clutch mechanism providing relative rotation therebetween. The support assembly includes a tube-end fi... | 05/30/2006 |
| 6971435 | Raising and lowering mechanism, in particular for roller blinds The operation of a roller blind occurs via a ball cord and a pulley. The ball cord may be wound several turns around the pulley, in that oblong axial tracks have been provided in the pulley. Thereby the winding may be preserved without jamming between the windings. ... | 12/06/2005 |
| 6942001 | Magnetic sealing apparatus for portal covering An apparatus comprising a magnetic sealing system for urging opposing sides of a cover toward the lateral margins of a portal to promote sealing of the sides of the cover to the lateral margins of the portal. The magnetic sealing system biases the opposing ends of a... | 09/13/2005 |
| 6901987 | Furled decorative covering apparatus and method A decorative covering apparatus and method. A frame with an opening formed into it has a first roller that rotates about an axis. A flexible cover is arranged to loop between a first edge that is fixed relative to the frame and a second edge that is affixed to the f... | 06/07/2005 |
| 6848491 | Cover for storage space affording access to a selected part thereof A cover affords access to a selected part of a storage space. The arrangement provides at least one opening which can be configured and positioned at any location on the cover. The opening provides access to a limited area of the storage space. ... | 02/01/2005 |
| 6427750 | Display unit An advertising display unit has a blind wound between a pair of spaced rollers rotatably mounted for bringing a selected portion of the blind into a display window area. A mechanism for longitudinally moving the blind is provided which is easily accessed ... | 08/06/2002 |
| 6422286 | Sign for consecutive, repeated presentation of a series of images A sign (1) for mounting on an underlayer (P) and for consecutive, repeated presentation of a series of images. The sign (1) comprises at least two elongated display members (4). Each display member (4) has a plurality of sides for displaying images. The s... | 07/23/2002 |
| 6364389 | Stowable interior divider for truck cabs A stowable partition assembly for a truck cab provides privacy for an interior sleeping area mounted aft of the operator space. The assembly has an overhead track depending from the cab ceiling, oriented to define a border between the forward operator are... | 04/02/2002 |
| 6189592 | Roll up shade doubled fabric having patterns thereon A roll-up shade is doubled and its ends suspended from a head rail that is mounted above a window. One end is attached to a roller tube and the other end is attached to a stationary tube, with a bight being formed between the tubes. A first sheet is defin... | 02/20/2001 |
| 5735328 | Window shade system with multiple, sequentially connected window shading elements A window shade system including a flexible shading member having multiple, sequentially connected shading elements, at least one of the shading elements having a tint factor of between five and fifty percent inclusive; at least one of the shading elements... | 04/07/1998 |
| 5682937 | Closing devices incorporating rolling means Closures such as rolling shades or blinds which include a drum for winding slats of the closure body and which are formed by two superposed shafts. Separation devices are provided adapted to prevent any friction between layers of slats wound on the shafts... | 11/04/1997 |
| 5647421 | Dual shape assembly A double panel window shade is formed by shade panels wound on inner and outer coaxial rollers. The inner roller includes a shaft secured at each end and journaled in mounting brackets at each end of the inner roller. The outer roller includes end plates ... | 07/15/1997 |
| 5538065 | Light-exclusion covering, method for its production and a device for actuation of the light-exclusion covering The light-exclusion covering is composed of two planar structures (1) located one behind the other, each of which consists of side by side webs (B) with regions (2; 3) of differing light transmissivity, that are connected to each other by connecting piece... | 07/23/1996 |
| 5470744 | Bioassay incubator for use with robotic arms In a preferred embodiment, a bioassay incubator for use with a robotic arm, the incubator including: a housing; a first plurality of linearly spaced apart shelves disposed within the housing, the shelves dimensioned to support thereon bioassay trays; a ro... | 11/28/1995 |
| 5392549 | Map display and storage device A device in combination with a driving station of a vehicle for displaying and storing a flexible web containing information wound in two cylinder members that provide sufficient slag in the web to form a loop that holds a weighting member. The weighting ... | 02/28/1995 |
| 5347732 | Scroll frame including slots and fabric engaging rods A needlework frame of the scrolling variety, created to simplify use, which provides a non-slip method of attachment of the needlework base fabric to the scrolling rods that reduces the possibility of damage to the fabric and/or the accomplished needlewor... | 09/20/1994 |
| 5345991 | Rolling gate A rolling gate of the invention has two gate parts movable toward or away from each other from opposite sides of a gate opening; carriage tracks mounted above the gate opening; a running carriage connected to each gate part and movably mounted on carriage... | 09/13/1994 |
| 5316363 | Automobile window shade system An automobile window shade system comprising a frame (20) formed of horizontal tubular elements (20a through 20c) and vertical tubular elements (22e through 22f) interconnected by T-shaped connectors (24a through 24f). The frame is installed inside the au... | 05/31/1994 |
| 5249616 | Double-layer window with shade roller unit for regulating the light A double-layer window includes a window panel consisted of two transparent panels attached together with a narrow space defined on the inside, and a shade roller unit attached to the window panel on the bottom and controlled by a reversible motor to autom... | 10/05/1993 |
| 5176774 | Processes for manufacturing multilayer plastic sheet The invention provides a multilayer plastic sheet of self-rollable maerial comprising at least two layers of material joined to one another at states of different relative stretch and capable of alternating between a relaxed and a tensioned state and of i... | 01/05/1993 |
| 5161593 | Shutter assembly for a bay window A shutter assembly for a bay window to close an opening by moving a shutter curtain upward from a containing space in the bottom of the bay window and to open it by way of a downward movement of the curtain under the influence of a coil spring. The basic ... | 11/10/1992 |
| 5016701 | Window shade conveyor system A window shade conveyor system for use with a window assembly having parallel frame members supporting a window pane therebetween, the frame members being non-vertically oriented, includes a shade roller rotatably disposed between the frame members at an ... | 05/21/1991 |
| 4923258 | Moisturized refrigerated produce rack covered by multiple curtains and strip connectors A produce rack for the display and storage of produce having a display surface and an opening allowing the produce to be viewed. Refrigerated air is provided to the produce through the display surface. Water is periodically sprayed onto the produce by an ... | 05/08/1990 |
| 4864783 | Structural element especially suitable for solar greenhouses and the like and particularly utilizable for controlled shading A structural arrangement is provided which is particularly useful in connection with solar greenhouses. The structural member is suitable for use in a parallel arrangement of the same particularly for the purpose of providing controlled shading. The struc... | 09/12/1989 |
| 4813198 | Variable solar control window assembly A variable solar control window assembly includes a pair of spaced parallel planar transparent sheets mounted in a frame. An induced transmission filter sheet is selectively movable between the transparent sheets for varying the solar transmission through... | 03/21/1989 |
| 4801180 | Refrigerated and moisturized produce rack and method for the refrigerated and moisturized display and storage of produce A flexible cover for closing the opening of a refrigerated produce rack when the produce does not need to be viewed thereby optimizing the refrigerated and moisturized air conditions inside the display area. The cover includes a plurality of transparent c... | 01/31/1989 |
| 4771817 | Deployment and retraction arrangement for a slot cover A deployment and retraction arrangement for a slot cover which is adapted to cover or seal a longitudinally extending slot or space present between at least two adjacent located membranes or panels. More particularly, the arrangement is a rollable deploym... | 09/20/1988 |
| 4766941 | Window shade with selectively variable shading characteristics An electrically powered window shade with selectively variable shading characteristics is installable within a window opening for selectively blocking (by absorption or reflection), filtering and/or transmitting light through the window shade into a room ... | 08/30/1988 |
| 4657059 | Side support for an awning box An awning including an awning box having an outlet slot and, on its end sides, bearings for a winding shaft supported in the box, the awning box being non-rotatably mounted in wall fixtures. The canvas for the awning is connected at one end to the winding... | 04/14/1987 |
| 4644991 | Cornice assembly A window cornice assembly including two spaced cornice terminals, two shade retaining brackets, and a tapestry cover assembly including a replaceable spring-loaded cartridge and a tapestry cover. The tapestry cover is an elongated sheet of material having... | 02/24/1987 |
| 4610292 | Insulating shade assembly with removable cover An insulating window shade assembly includes a first roller carrying an insulating shade and a second roller carrying a cover fabric. The shade and cover fabric are supported in essentially face to face relationship, and their bottoms are secured together... | 09/09/1986 |
| 4598752 | Guide element especially suitable for solar greenhouses and the like and particularly utilizable for controlled shading A structural arrangement which is particularly useful in connection with solar greenhouses is provided. Therein is provided a structural member in the form of a hollow bar of elongated form provided with longitudinally extending and parallel track channel... | 07/08/1986 |
| 4596093 | Structural element especially suitable for solar greenhouses and the like and particularly for controlled shading A structural arrangement is provided which is particularly useful in connection with solar greenhouses. The structural member is suitable for use in a parallel arrangement of the same particularly for the purpose of providing controlled shading. The struc... | 06/24/1986 |