Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
PatentStorm News
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 |
| 7320637 | Filter window adapter unit A filter window adapter unit adapted for use with a main split-sash window of school buses is provided. The adapter unit includes a mounting frame adapted to be installed over the main split-sash window of the school buses. An inner sash is disposed fixedly in a low... | 01/22/2008 |
| 7032946 | Barrier shield for a bus The present invention is a barrier shield having selective transparent areas therein that incorporates particular optical glare and reflection reduction methods utilizing diffractive and grating techniques within a tilted planar surface having selective openings the... | 04/25/2006 |
| 6881143 | Conservatory roof ventilation A trickle ventilator for a conservatory roof to be sited between an eaves beam of the roof and a glazing panel extending over the eaves beam, the ventilator comprising an elongate body having a front and rear walls spaced apart, at least one aperture in each wall an... | 04/19/2005 |
| 6878055 | Window assembly A window assembly (1) enabling an innovative manner of adjustably allowing an air circulation between an outside environment of the window assembly (1) and an inside environment of the window assembly (1), the inside environment not being affect... | 04/12/2005 |
| 6666762 | Ventilation system A power assisted ventilation system for a conservatory of the type having a roof extending away from a wall or other supporting structure that is mountable where the roof meets the wall of other supporting structure has a back plate mountable to the wall ... | 12/23/2003 |
| 6648750 | Ventilation assemblies A ventilation assembly (10) for a window or door assembly is provided with an anti-sound system (80). The anti-sound system may include a sound generator (82), a noise sensor (88) and an error correction noise sensor (100). A control box (86) is provided ... | 11/18/2003 |
| 6558247 | Ventilator A ventilator (10) has a housing (12) including an apertured wall portion (14) an exterior weather hood (16) and a cover portion (18). A rotatable flap (42) is pivotally mounted to the apertured wall portion (24). The cover portion (18) contains a reticula... | 05/06/2003 |
| 6048266 | Ventilator A glazed-in ventilator (10) includes a flap (12) which is rotatable about its longitudinal axis. Each end of the flap is connected by a thumb wheel (24) to an end cap (28). Inside the thumb wheel, a series of projections (36) engage a conical surface (34)... | 04/11/2000 |
| 5769706 | Slot ventilator A slot ventilator 14 is located adjacent (entrance apertures 30, 38 of a window frame 10 and sash spar 12. The entrance apertures lead in substantially perpendicular directions into ventilation slots 22, 32 through the frame spar and sash spar. An abutmen... | 06/23/1998 |
| 5746654 | Ventilator A vented frame (1) includes an air passage of L-shaped section having a horizontal portion (8) and a vertical portion (9). A ventilator (7) is inserted into the vertical portion and comprises an elongate main body with first and second openings (10), (11)... | 05/05/1998 |
| 5702297 | Slot ventilator A slot ventilator (100, 500) comprises a slotted backing member (24, 124, 424, 524), an elongate facing strip (26, 126, 426, 526, 626), and a linkage mechanism connecting the backing member and facing strip with one another, the linkage mechanism being ar... | 12/30/1997 |
| 5584760 | Vented storm door In a single glass pane type storm door frame formed by stiles and end rails the glass is supported in the frame by a ventilating assembly interposed between the pane and storm door frame. The ventilating assembly includes an H-shaped member, in cross sect... | 12/17/1996 |
| 5558574 | Ventilator A slot ventilator has first and second base portions which in use are secured to a facia, for example a window frame, one at each end of an elongate opening therein. An elongate body portion is secured to the base portions by respective first and second p... | 09/24/1996 |
| 5518452 | Ventilator A controllable slot ventilator comprises first and second parallel side walls which define an air passage between them. A closure member is mounted adjacent the front edges of the side walls via parallel motion links, which allow the closure member to mov... | 05/21/1996 |
| 5505659 | Ventilation device A ventilation device is provided for location at the outer edge of a window frame and comprises side members defining inlet and outlet portions. The members provide opposing sockets to receive plates completing a closed duct in the device for air flow, th... | 04/09/1996 |
| 5376044 | Ventilator A two-part plastics ventilator comprises a housing defining a ventilation opening, a flap pivotal to open and close the opening, and spring legs integral with the housing to bias the flap to the open and closed positions.... | 12/27/1994 |
| 5344366 | Ventilators A canopy for use with a ventilator slot extending through a window frame has pressure differential responsive flow control means arranged to progressively close the flow passage through the canopy as the pressure differential increases, thus preventing dr... | 09/06/1994 |
| 5244434 | Ventilator A controllable slot ventilator has a housing and a closure member pivotably mounted on the housing to selectively close a vent in the housing. The closure member is supported on linking elements which are mounted on the closure member. The linking element... | 09/14/1993 |
| 5238449 | Ventilators A canopy for use with a ventilator slot extending through a window frame has pressure differential responsive flow control means arranged to progressively close the flow passage through the canopy as the pressure differential increases, thus preventing dr... | 08/24/1993 |
| 5137492 | Strip ventilator A ventilator comprises an elongate strip (10) formed as a single component including an integral formation (19,23) extending adjacent an intermediate portion (13), the formation defining an opening (24,33) which is below openings (22) in the intermediate ... | 08/11/1992 |
| 5016526 | Ventilated sliding closure assembly A ventilated sliding closure having a ventilator integral with the frame head. The closure includes a frame which consists of a frame head, a sill and two vertical jambs. The frame supports two or more panels, at least one of which is a horizontally slidi... | 05/21/1991 |
| 4953451 | Ventilation device Ventilation device with a rectangular frame of which each of the upright sides is formed by an end part, the bottom is formed by a glass holder adapted to the thickness of a glass panel, and the top is formed by a profiled L-shaped strip of which the hori... | 09/04/1990 |
| 4736677 | Ventilator assemblies A sliding sash window ventilator assembly for insertion between the window sashes and the window frame comprises an elongate ventilator housing having an air passage through and between its inner and outer lateral faces and an elongate facing member mount... | 04/12/1988 |
| 4727797 | Secondary window ventilators A sliding sash window ventilator assembly for insertion between one sash and the window frame. A ventilation channel is closable by a facing member mounted by a parallel motion linkage for adjustment of its position. The facing member is disposed and moun... | 03/01/1988 |
| 4700614 | Strip ventilator Ventilating apparatus comprises an elongate component (10) having complementary formations (19,20) at opposite ends whereby the component is adapted to be interlocked end to end in series with another component (10) or other components (10) and/or a conne... | 10/20/1987 |
| 4616561 | Vented heading for window unit A vented heading for the outer frame of an airtight double-hung sash window unit adapted to be seated in an opening of an exterior wall of an apartment. Vent holes in a head panel allow fresh air flow into the heading; and a baffle member at the back of t... | 10/14/1986 |
| 4475324 | Valves Valve suitable for use in a relatively narrow elongate opening to an air duct in a window frame which opening faces inwardly towards an accommodation space. The valve has at least two, preferably three, separately made, elongate members made by extrusion.... | 10/09/1984 |
| 4377968 | Fluid flow control means The present invention relates to an arrangement for controlling fluid flow through an aperture. In one embodiment, the flow control arrangement, which may be used in association with a window to control the flow of ventilating air, comprises a strip brush... | 03/29/1983 |
| 4295417 | Window unit A thermal window with insulating and noise reduction properties is provided with double glazing that has a large dead air space between the glazing. The top and bottom of the dead air space is divided into compartments which are shuttered by sliding glass... | 10/20/1981 |
| 4178841 | Air vent Air vent consisting of a fixed, gridlike apertured front panel and a stop plate disposed behind it, which plate is movable by a control mechanism in the direction of its plane and to the plane of the front panel and which plate in a position resting again... | 12/18/1979 |
| 4073224 | Ventilators A ventilator comprises upper and lower bars spaced apart by spacer members to provide a ventilation aperture, and a pair of flaps hinged to respective ones of said upper and lower bars by operating means which when operated in one direction causes the fla... | 02/14/1978 |
| 4027581 | Ventilator There is disclosed a ventilator for use with windows, doors, or other building hardware. The ventilator includes an inner plate having air vents and an outer plate spaced apart from the inner plate in the transverse direction of the ventilator and providi... | 06/07/1977 |
| 4019429 | Ventilator A ventilator, constructed to serve as a horizontal rail in a building component, includes a pair of spaced apertured plates, the aperture of one being an air inlet vertically spaced below that of the other which is an air outlet, and filter and baffle mea... | 04/26/1977 |
| 3944136 | Small building heating system A heater unit and draft control adapted to be connected to an existing solid, liquid or gas fueled heating furnace includes a heat exchanger having a stack gas passage connected in series to a stack from the furnace and a blower which forces air through t... | 03/16/1976 |
