The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.
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| Number | Title | Issue Date |
| 7143473 | Door checker for automobile A door checker for an automobile includes: a check lever 6; a case 1 through which the check lever 6 passes and which is fixed to a door D; and a shoe 19 which is housed in the case 1 and in sliding contact with detent surfaces 9 o... | 12/05/2006 |
| 6871382 | Door checker for automobile In a door checker for an automobile, including an intermediate recess which is formed in a side face of a check lever and deeper than a ball guide groove and into which a check ball is fitted by a biasing force of a check spring in order to generate a moderation res... | 03/29/2005 |
| 6595582 | Folding chair with safety latch device A folding chair with safety latch device. The device includes an anchor unit which has two ends pivotally engaged with a rear leg and a backrest bracket, and a slide unit coupled with the rear leg. The anchor unit and the slide unit have respectively a la... | 07/22/2003 |
| 6471264 | Door security apparatus A door security device operative to secure the door in a fully closed and partially opened state is disclosed. A vertically oriented housing mounted close to the handle side on the inside surface of the door contains a coaxial brace bar, the bottom end of... | 10/29/2002 |
| 6446305 | Rollerless door check mechanism A check mechanism for a motor vehicle door includes a housing secured to either the vehicle frame or the door and a check arm secured to the other one of the vehicle frame and the door. The door check extends into the housing through an opening in the hou... | 09/10/2002 |
| 5975598 | Restrictor device A restrictor device for limiting the degree of opening of an openable closure. The restrictor device has an arm (10) with a mounting plate (12) to pivotally mount the arm to either the closure or the frame on which the closure is mounted. The arm (10) is ... | 11/02/1999 |
| 5934715 | Anti-false maneuver-type safety-device for a fitting for locking a leaf A safety device, of the anti-false maneuver type, capable of impeding the actuation of a locking fitting upon opening of a leaf of a door, window or the like, this safety device including, on the one hand, a support in the shape of a casing capable of bei... | 08/10/1999 |
| 5426820 | Modular reduced friction overhead door holder assembly An overhead door holder assembly, for attachment between a door jamb and a door, to hold the door in an open position includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assembly having a long... | 06/27/1995 |
| 5364154 | Liftable rigid truck bed cover A liftable cover assembly for the bed of a truck having sidewalls and a tail gate. The cover assembly comprises a rigid cover panel sized to encompass the entire truck bed, plural support legs for the cover panel, a height establishing mechanism, and a lo... | 11/15/1994 |
| 5141272 | Door and window latch In general, latch devices for sliding patio doors are complicated and/or intended to lock a door fully closed. A simple device for latching a sliding door or window partly or fully open or fully closed includes a track for mounting on a frame opposite the... | 08/25/1992 |
| 5002320 | Sliding hold-open A hold-open for a refrigerator display case door having two slotted elongated members which are connected for linear sliding engaging on their respective inside surfaces. The inside surfaces of each elongated member is provided with a raised impediment wh... | 03/26/1991 |
| 4726146 | Hold-open lock A locking device is provided for holding an aircraft door in an open position. The device includes a first member connected to the door which moves in correspondence with door opening and closing. A second member of the device is fixedly connected to airc... | 02/23/1988 |
| 4723812 | Locking device for a vehicle roof opening and closing apparatus A locking device in an apparatus for opening and closing the roof of a vehicle includes a bracket secured to the vehicle body and having a pair of hooks, a handle pivotally mounted on a door receivable within an opening formed in the roof, links pivotally... | 02/09/1988 |
| 4691950 | Device for detachably securing pivotally connected members in a predetermined relative position The invention provides a device for securing a window sash to the outer frame of the window so that, on the one hand the sash may be locked in a predetermined open position and on the other hand may be pivoted to open it fully. A single push-button serves... | 09/08/1987 |
| 4618176 | Window opener In a window opener, for instance for automotive vehicles, consisting of a toggle lever joint (1) which is mounted for movement on both sides and has a toggle lever joint (2) as well as levers (3, 4), with a detent mechanism having a detent disk which is m... | 10/21/1986 |
| 4570992 | Tilt-out roof for vehicles A tilt-out roof for vehicles having a closure panel arranged in the area of an opening in the roof of the vehicle. A frame extends around the edge of the opening in the roof, and a telescopic jack, that is used for the lifting and lowering of the rear par... | 02/18/1986 |
| 4447081 | Fence door latch This application discloses a latch assembly for a fence gate or the like comprising a two piece relatively movable first assembly mountable on one wall of the fence and a second assembly having a flexible body fastened at one end to the gate and having a ... | 05/08/1984 |
| 4435007 | Locking device for pivoting window A locking device for a pivoting window includes a link which is completely embeddable inside the body of the lock mounted on a frame and a strap affixed to the window, the link being set in motion by a combination of sliding and pivoting movements transmi... | 03/06/1984 |
| 4428154 | Window safety lock A safety lock for a window mounted for pivotal movement about a centrally disposed vertical axis embodies a lock assembly housing mounted on the window sill intermediate the vertical axis and a window jamb. An elongated vertically extending locking member... | 01/31/1984 |
| 4219231 | Vehicle roof with roof opening closable by a cover An improved locking arrangement for a vehicle body member with an opening, a tiltable and removable cover for closing the opening which is swivelable in the vicinity of a front edge and has a tilting mechanism near its rear edge and connected with the cov... | 08/26/1980 |
| 3984137 | Lock device A security lock which secures a building entrance against unauthorized entry by linking together the outer and inner doors against their respective door frame stops. This invention comprises link members wherein one member thereof is anchored to the outer... | 10/05/1976 |
| 3933383 | Latch A safety latch for holding a closure such as a door in its locked position or in a partially open position to enhance security. A pair of swingably connected links are provided in combination with a keeper. In one position of the links the closure is held... | 01/20/1976 |