Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7309141 | Air actuated decoration system and device The invention is a system that provides a means to using passing air to turn on an electronically powered device that is removably attached to an exterior portion of a vehicle as the vehicle travels betweens two locations. The invention is also embodied as a device ... | 12/18/2007 |
| 7275581 | Device with shutter winding about a drum A shutter device co-operating with driving means for enabling the shutter (1) to be displaced between an open position and a closed position, this shutter (1) being guided by a guide track (4, 5) and being designed to close off a bay (6) ... | 10/02/2007 |
| 7263807 | Smoke vent light transmitting roofing panel A light transmitting panel capable of acting as a smoke vent and of the type for connecting within a metal roofing system is provided. The light transmitting panel includes a translucent panel that melts away rapidly under high temperature, a metal panel and a linea... | 09/04/2007 |
| 7222467 | Screen with integral railing A frame assembly for at least partially enclosing a raised floor structure includes a bottom frame member positioned adjacent an associated raised floor structure. A pair of spaced apart side frame members are connected to and extend upwardly from the bottom frame m... | 05/29/2007 |
| 7219709 | Retractable gate A retractable gate removably attached between the door frames of a dwelling having a flexible screen attached to a rotatable shaft supported within a housing. The shaft is turned by a knob to retract the screen and is locked by a spring loaded ratchet attachment. | 05/22/2007 |
| 7210513 | Screen frame with integral roll screen compartment and improvements thereof A sliding screen frame for a closure assembly having an opening and an existing track for mounting a screen, the screen frame has framing sections with both inner and outer side edges, and a housing from which a screen is payed out and accumulated. The framing secti... | 05/01/2007 |
| 7048319 | Easy-to-use safety net device The invention relates to a safety net device with a housing, in which a winding shaft is rotationally mounted. The winding shaft is pretensioned by a spring motor in the direction of winding of a safety net which is fixed to the winding shaft. The other edge of the ... | 05/23/2006 |
| 7029055 | Slidable window assembly with vent screen A window assembly for a motor vehicle includes an opening defined by a pair of spaced apart stationary windows. Above and below the opening are a pair of opposing horizontal guide rails within which a moveable window slides allowing the opening to be selectively cov... | 04/18/2006 |
| 6959748 | Apparatus for covering an opening in a building A storm protector (20) to be attachable over a window (21) or other opening of a building (22) includes a header (26), a bottom sill (25) and side frames (23, 24) extending between the ends of the header (26) and the ... | 11/01/2005 |
| 6267168 | Screen cassette and compatible framing section therefor A roll screen cassette for installation in a closure assembly having a frame for moveably retaining a closure member, the frame including a header, sill, and vertical jamb sections, at least one of the sections including a pocket formed within the interio... | 07/31/2001 |
| 6223803 | Window with a screening device A window with a substantially rectangular main frame structure with an openable sash structure comprises a built-in roller screening device comprising a flexible screening web having one end secured to a spring-loaded roller member and an opposite end con... | 05/01/2001 |
| 6167936 | Window assembly having rolling window screen assembly A window assembly is provided. The window assembly preferably includes a window frame including a pair of spaced-apart side frame members, an upper end frame member connected to the pair of side frame members along end portions thereof, and a lower end fr... | 01/02/2001 |
| 6082432 | Screen door accessory A roll-up screen door appliance for drawing a screen panel horizontally across the span of a door frame, which advantageously may be stably positioned in a partly open position for permitting persons to pass through with a minimum opening, thereby reducin... | 07/04/2000 |
| 5915443 | Window sash with screen The invention herein pertains to a screen for use with a conventional multiple-hung window. In the one embodiment, the window screen can be concealed in the bottom lateral member of the sash frame and unwound as the sash is raised thus providing an automa... | 06/29/1999 |
| 4993468 | Window with automatic screen The invention concerns a window and screen system provided at the end thereof that permits a screen to be moved into position upon the opening of the window. One end of the screen is attached to the end wall of the window sash thereby allowing effective s... | 02/19/1991 |
| 4862942 | Roller window screen A window screen is attached to a sliding sash and to the sill. Fixed to the screen are two or more vertical bands of coil spring material. Thus when the sash is closed the springs cause the screen to coil tightly. As the sash is raised, the screen is unco... | 09/05/1989 |
