...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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.
| Number | Title | Issue Date |
| 7320354 | Pulling cord winding apparatus for window shades A pulling cord winding apparatus for window shades is installed on a bottom rail of a window shade includes a upper cap and a lower seat, two elastic take-up reels, two elastic coils held in the elastic take-up reels having two ends latched thereon, an elastic reed ... | 01/22/2008 |
| 7311134 | Pulling cord winding apparatus for window shades A pulling cord winding apparatus for window shades includes an upper cap, a lower seat, two elastic take-up reels, two elastic coils, a brake member, and a push rod. The brake member has two arched pressing plates on two sides extended outwards to form respectively ... | 12/25/2007 |
| 7264035 | Temporary window covering The invention is directed to a temporary window covering that may include a pleated cover formed from a sheet of material having a plurality of horizontal creases extending across the width of the sheet thereby defining a plurality of pleats, a bottom rail attached ... | 09/04/2007 |
| 7255149 | Temporary window covering The invention is directed to a temporary window shade that may include an elongated cover having a top end and a bottom end, and that may be adapted to be oriented in a retracted position, an extended position, and a plurality of intermediate positions. The temporar... | 08/14/2007 |
| 7216687 | Cord tensioner A cord tensioner for the guide cords of a cord-guided window blind with movable rails holding a blind material. The cord tensioner, located at one of the rails, is a helically wound, extension spring with an integral extension limiter, extending axially through the ... | 05/15/2007 |
| 6968884 | Modular transport system for coverings for architectural openings A modular blind transport system for a window blind application. The complete system may be assembled form a relatively small number of individual modules to obtain working systems for a very wide range of applications, including especially a category of counterbala... | 11/29/2005 |
| 6918425 | Non-pull cord operable venetian blind A non-pull cord operable Venetian blind includes a retaining device located at each end of a lower beam of a Venetian blind therein in working with a retaining cord. The retaining device is made up of a holding sleeve, a driven member adapted at the holding sleeve t... | 07/19/2005 |
| 6796360 | Shade tensioner A tensioner for securing a tension cord of a tension shade attached to a structure. The tensioner includes a lock component having an inner surface, an outer surface and an aperture extending therethrough. A casing includes an inner surface, an outer surface and an ... | 09/28/2004 |
| 6338378 | Window screening arrangement with a braking device A braking device for a window screening arrangement includes at least one braking member (11, 12) mounted on the cords (4, 5) of the parallel guidance system. The braking members (11, 12) may be designed as hollow symmetrical bodies having a cylindrical o... | 01/15/2002 |
| 5873401 | Screen apparatus A screen apparatus which has a pair of opposed frame portions provided on the top and bottom sides and a pair of opposed frame portions provided on the right and left sides. One pair serves as screen fitting frame portions, fitting and supporting a screen... | 02/23/1999 |
| 5535806 | Roller blind, particularly for use as blackout shade For a roller blind, particularly for use as a blackout shade, and with a spring-biased roller bar and a blind rolled on the roller bar and having along its lateral edges guide members guided in tracks in guide rails disposed at both sides of the window op... | 07/16/1996 |
| 5179989 | Device for transmitting a drive force between a flexible element and a rotatable body A device for transmitting a drive force between a flexible element, such as cord, and a first rotatable, cylindrical body, said flexible element is trained around the casing surface of the body through a pre-determined angle, wherein a second cylindrical ... | 01/19/1993 |
| 5083598 | Electromotively driven sunblind An electromotively driven sunblind includes a first beam and a second beam which are movable in parallel relative to each other. A motor and a drive shaft having at least one drive roller are disposed within a hollow cavity in the first beam and relative ... | 01/28/1992 |
| 4934436 | Suspension and actuation system for specialty window shades Manual deployment apparatus for speciality, pleated or multi-cellular window covering treatments including uniquely hinged mounting rails and single and/or continuous strand pull cords. The invention consists of apparatus that is used to acquire two modes... | 06/19/1990 |
| 4934434 | Suspension and actuation systems for specialty window shades Manual deployment apparatus for specialty, pleated or multi-cellular window covering treatments including uniquely hinged mounting rails and single and/or continuous strand pull cords. The invention consists of apparatus that is used to acquire two modes ... | 06/19/1990 |
| 4865108 | Frame for a retractable blind A frame for a retractable blind which can be gathered together, said frame comprises an upper head-rail consisting of a hollow profile, a bottom rail which can be raised and lowered and which forms the bottom of the blind, lateral profiles, corner members... | 09/12/1989 |
| 4862941 | Vertical shade assembly A vertical shade assembly extendable and retractable in a horizontal direction and including a pleated shade member suspended from an upper traversing track, a shade guide mechanism extending through the assembly, and a braking mechanism operatively conne... | 09/05/1989 |
| 4850414 | Motorized blind assembly A motorized blind assembly has top and bottom horizontal end members and a horizontal intermediate blind base member displaceable between the top and bottom members. The ends of a foldable and extensible accordion-like blind are secured, respectively, to ... | 07/25/1989 |
| 4825929 | Vehicular shade A window shade construction for a window having a generally rectangular window frame comprises a pair of flexible cords running substantially from the top to the bottom of the window and attached adjacent respective top and bottom ends of the window frame... | 05/02/1989 |
| 4762159 | Shade system A shade system includes a fixed top rail, a fixed bottom rail and a movable middle rail. A shade is affixed between the top rail and the middle rail and is folded when the middle rail is moved with respect to the top rail by a continuous loop drive system... | 08/09/1988 |
| 4753281 | Adjustable shade An adjustable shade including first and second parallel headrails and an intermediate rail between the headrails with a foldable shade member attached to the intermediate rail and to one of the headrails. The shade member has rows of aligned openings ther... | 06/28/1988 |
| 4733711 | Folding blind, composite folding blind and coupling strip therefore A folding blind, consisting principally of a fixed top and bottom beam, and also a parallel thereto slidable along cords intermediate beam to which a panel of pleated material is fastened, whereby the intermediate beam is divided into a first and a second... | 03/29/1988 |
| 4733710 | Vehicular shade A shade construction for a vehicle window having a generally rectangular window frame comprises a pair of flexible cords running respectively from top to bottom edges of the window frame. Substantial portions of these cords are in parallel, spaced apart c... | 03/29/1988 |
| 4687038 | Blind construction A pleated fabric is connected between an upper fixed sill and a movable sill. The movable sill is between the upper fixed sill and a lower fixed sill. Two string loops are resiliently secured to the sills and slidably frictionally engaged with the movable... | 08/18/1987 |
| 4574864 | Vertically positioning window shading system This invention is an improvement over my U.S. Pat. No. 4,326,577 for a window screen arrangement comprising a novel roller combination for winding and unwinding the screen or shade element and at the same time positioning of the entire screen assembly in ... | 03/11/1986 |
| 4557309 | Sun blind A sun blind suitable for installation in, for example, window openings, including window openings having an inclination from the vertical, is disclosed. The sun blind comprises a first bar disposed at the top of the window opening, a second bar movable wi... | 12/10/1985 |
| 4473101 | Sun blind A sun blind for a window, in particular a window occupying permanently or temporarily a slanting position and optionally being operative to be toppled about a horizontal axis, said sun blind comprising a horizontal profiled top bar fastened to or integrat... | 09/25/1984 |
| 4326577 | Vertically positioning window shading system A window screen arrangement comprises a novel roller combination for winding and unwinding the screen or shade element and at the same time providing for positioning of the entire screen assembly in any desired position vertically on a window to provide p... | 04/27/1982 |
| 4202395 | Adjustable shade construction An adjustable shade structure embodying an expandable compactible shade member secured to upper and lower shade bars slidable engaged in a parallelogram cord system. The shade structure is supported upon a suitable frame, such as a window or door frame or... | 05/13/1980 |