Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8297333 | Overhead doors and associated track and guide assemblies for use with same Overhead door assemblies having both interlocking and releasable guide assemblies, and guide track assemblies for use with same are disclosed herein. An overhead door track configured in accordance with an embodiment of the invention includes a first side portion sp... | 10/30/2012 |
| 7900681 | Colonial storm shutter with improved strength and fabricability A colonial storm shutter assembly with improved impact resistance includes shutter blade elements having a corrugated configuration that exhibits superior structural strength and bending resistance while providing an attractive face. Triple, double and single shutte... | 03/08/2011 |
| 7891400 | Overhead doors and associated track and guide assemblies for use with same Overhead door assemblies having both interlocking and releasable guide assemblies, and guide track assemblies for use with same are disclosed herein. An overhead door track configured in accordance with an embodiment of the invention includes a first side portion sp... | 02/22/2011 |
| 7861762 | Overhead doors and associated track, guide, and bracket assemblies for use with same Overhead door guide assemblies, guide tracks, and guide track support brackets are disclosed herein. An overhead door track assembly configured in accordance with one embodiment of the invention includes a vertical track segment mounted to a wall adjacent an opening... | 01/04/2011 |
| 7185852 | Actuator with helical cam guides The invention is an actuator assembly for actuating a door or aerodynamic surface of an aircraft. In detail, the invention includes a housing having first and second ends and a longitudinal axis. The housing center portion further includes first and second helical s... | 03/06/2007 |
| 7178759 | Hinged door for aircraft landing gear The door comprises a panel (14) formed from two rigid parts (14a, 14b) hinged to each other edge to edge. A first part (14a) of these two parts is connected to the aircraft structure through a pivot pin (20) an... | 02/20/2007 |
| 7165595 | Security door apparatus The entrance security door apparatus has the object of providing security for the receiver in a condominium, etc., when the receiver must confirm an unexpected visitor, etc., by opening and closing a door such as entrance door. A locking tool is provided so that the... | 01/23/2007 |
| 7080490 | Exterior window shutters The present invention relates to solid panel window shutters having both high strength and structural stability. More particularly, an exterior window shutter made of a solid panel of polyvinyl chloride with at least one support member affixed in the panel. The shut... | 07/25/2006 |
| 7036286 | Exterior window coverings The present invention is an exterior window covering or exterior shutter that is comprised of layers of materials to form a sandwich. The sandwich material has a layer of polycarbonate material. An embodiment of the sandwich material is comprised completely of synth... | 05/02/2006 |
| 7007585 | Multi-hit transparent armor system A multi-hit transparent armor system is described and claimed herein for improving the resistance of transparent armor to incoming projectiles. Typically, the transparent armor is framed within a window opening of a security structure. An exemplary, contemplated str... | 03/07/2006 |
| 7000673 | Vertically and horizontally swinging gate A gate apparatus comprising a first frame, a second frame and a plurality of rails, wherein each of the first and second frames comprises a vertical post and a plurality of cross-bars, and wherein the cross-bars of the first frame increase in length from the top cro... | 02/21/2006 |
| 6932141 | Vertically and horizontally swinging gate A gate apparatus comprising a first frame, a second frame and a plurality of rails, wherein each of the first and second frames comprises a vertical post and a plurality of cross-bars, and wherein the cross-bars of the first frame increase in length from the top cro... | 08/23/2005 |
| 6842917 | Spa cover lift A spa cover lift and cover construction that easily accommodates use with odd sizes and shapes of spas. The construction uses a column which is positioned at a single location about the periphery of the spa. A foot piece can be included at the bottom of the column w... | 01/18/2005 |
| 6823927 | Pocket door with pivoting panel This invention discloses a pocket door. The pocket door is capable of pivoting on hinges between a fame that holds the pocket door and allows it to slide in and out of a pocket to open and close a passageway. More specifically, the pocket door is hinged to the movin... | 11/30/2004 |
| 6695390 | Apparatus for actuating a side door in a cargo vehicle A jointed lateral hopper door device capable of raising and retracting one or more lateral hopper doors upward, allowing a totally free access space without impeding access to the cargo material.... | 02/24/2004 |
| 6626227 | Apparatus and method for a window shutter system An apparatus and method for a window shutter system are disclosed. A window shutter system (100) is disclosed that includes a plurality of shutter frames (106, 108). Each shutter frame (106, 108) includes a plurality of elongate members (126, 130). Each o... | 09/30/2003 |
| 6499254 | Gate unlocking An apparatus includes a pair of frame members adapted for mounting to opposing surfaces of a passageway. A door is mounted to at least one of the frame members for movement between a closed position, in which the door and frame members substantially trave... | 12/31/2002 |
| 6357509 | Security closure for dwelling openings A security closure device to protect a building opening and a closure member. The device includes a main security panel and a narrower secondary security panel that are hingedly mounted to each other. The side of the main security panel opposite to the sm... | 03/19/2002 |
| 6345475 | Stair guard Pivotably mounted barriers extending across a portion of and staggered in an alternating manner from opposite sides and spaced apart as to permit directed travel up or down stairs or staircase. Barriers extend across staircase to the extent that in additi... | 02/12/2002 |
| 6257523 | Foldable partition with integral door A stowable aircraft cabin vertical partition comprising (1) at least three rigid rectangular-shaped panels attached to each other by panel hinges along the horizontal joints between the panels, that permit the partition to hang vertically when in use and ... | 07/10/2001 |
| 6176042 | Gate unlocking An apparatus includes a pair of frame members adapted for mounting to opposing surfaces of a passageway. A door is mounted to at least one of the frame members for movement between a closed position, in which the door and frame members substantially trave... | 01/23/2001 |
| 6161992 | Machining system with movable tool head A machining system has a frame forming a working station and a mounting plate movable relative to the frame in and adjacent the station in a first main direction, in a second direction transverse to the main direction, and in a third direction transverse ... | 12/19/2000 |
| 6155520 | Bracket hinged panel The present invention is relative to a panel hinged on a receiving part, along at least one curved contour edge, by means of two hinges which define a geometric axis of rotation around which the panel pivots between an open position and a closed position.... | 12/05/2000 |
| 6079762 | Side wall for a vehicle body The invention relates to a side wall for the body 1, 2, 3 of a vehicle, having at its upper longitudinal edge an upper wall portion 4 pivotably connected to the vehicle body 1, 2, 3 via a first horizontal pivot pin 6, and a lower wall portion 5 which at i... | 06/27/2000 |
| 5904199 | Garage door screen A new garage door screen for allowing for a garage to be ventilated. Also included is a screen door having a generally rectangular configuration. The screen door is defined by a peripheral frame including opposed long upper and lower members and opposed s... | 05/18/1999 |
| 5778958 | Window shutter and method therefor An insulating window shutter comprised of a one-piece, molded window shutter and hinge for coupling two window shutters together and for coupling a window shutter to a window jam. In the preferred embodiment, the window shutter is made from an expanded fo... | 07/14/1998 |
| 5564486 | Adjustable view-shielding device A view-shielding device for a machine designed to block the view of the machine's keypad or view screen by others positioned behind or adjacent to the user. The device includes two planar screens pivotal attached on the machine's front surface on opposite... | 10/15/1996 |
| 5546773 | Door opening/closing apparatus for a washing machine A washing machine has a door mounted for rotation between open and closed positions. An electrical solenoid is connected to the door by means of a wire so that when the wire is pulled by the solenoid, the door is opened from a closed position, or closed f... | 08/20/1996 |
| 5242005 | Breakaway bi-folding door assembly A breakaway bi-folding door assembly, which would include a pair of bi-folding doors of the type having a first end hinged to an upper frame, and a second end travelling within a slot in the frame to allow the doors to fold and unfold between open and clo... | 09/07/1993 |
| 5119870 | Bifold door construction A door construction is provided, wherein a top and bottom wall of an associated door mounts a wear plate thereon, wherein the wear plate includes a guide roller to provide proper spacing of the door within a door space. A modification of the invention inc... | 06/09/1992 |
| 5097543 | Shower door A shower door assembly of the frameless type comprises light plastic panels interconnected substantially along their length by hinges which include channels for gripping the panels. An elongated bracket facilitates the attachment of the door to walls that... | 03/24/1992 |
| 4945972 | Containable door of folding type A folding door, containable in a cabinet, includes a door body foldable outwardly of the cabinet. A slide member is slidable along an inner surface of the cabinet toward and away from a front of the cabinet. The door body is angularly movably connected at... | 08/07/1990 |
| 4897889 | Shower-partition with pivoted door A shower-partition contains a pivoted door which is hinged to a compensating section by means of hinges. The compensating section is secured, in such a manner as to be horizontally adjustable, to a second profiled rail by means of connecting elements. It ... | 02/06/1990 |
| 4799729 | Tonneau cover mechanism for convertible automobiles A tonneau cover mechanism is disclosed in manual and power-operated versions, the mechanism made up of an assembly of rigid panels configured to cover the convertible top storage space of a convertible automobile with the top either raised or lowered. The... | 01/24/1989 |
| 4412524 | Fire-guard A fire-guard device is provided for heating a room by convection using the heat from a conventional radiation heat source. The device includes a plurality of pipes in which all adjacent pairs of pipes are pivotably interconnected together. Each pipe is mo... | 11/01/1983 |
