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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7775563 | Mortise lock for a sliding door The two-point mortise latch of the present invention includes, a central actuator having teeth that are meshed with the teeth of a gear wheel, wherein the gear wheel and the central actuator are pivotally connected to at least one hook, via the hook arm. Wherein the... | 08/17/2010 |
| 7559584 | Dual-hook locking assembly A dual-hook locking assembly mounted in a casing subassembly is actuated from outside of the latter by a handle which causes a locking subassembly to operate between an unlocked and a locked position. By rotating the driving handle, a gearing subassembly including a... | 07/14/2009 |
| 7360801 | Door latching system A latching system comprising a base having a first keeper secured thereto, a closable member adapted to engage the base, an elongated member rotatably secured to the closable member, said elongated member including a first connector adapted to engage the first keepe... | 04/22/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7267377 | Latch assembly for a movable closure element A latch assembly for a movable closure element. The latch assembly has a housing, a first rotor movable relative to the housing selectively between a) a first latched position and b) a release position, and a second rotor movable relative to the housing selectively ... | 09/11/2007 |
| 7228719 | Sliding door lock A lock 10 for a sliding door or window. The lock 10 includes a hollow body 11 within which there is pivotally mounted a pair of hook tongues 14 and 15. The tongues are driven by rack gears 54 which are operated by a lock cyl... | 06/12/2007 |
| 7204526 | Hood latch assembly for a vehicle A hood latch assembly includes a safety lever that is operative in conjunction with the movement of a latch plate so as to ensure a sufficient space between the safety lever and a hood. Namely, the safety lever is arranged in a folded condition when the latch plate ... | 04/17/2007 |
| 7178839 | Latch assembly for sliding doors A latch assembly connected to a lock face of a sliding door includes two hooks which are connected to two activation plates respectively. Two rotation gears each have teeth engaged with the activation plates which are moved to pivot the two hooks when the two gears ... | 02/20/2007 |
| 7178840 | Dome clamp for tanker trucks A dome clamp for retaining the dome lid of a tanker truck in a closed position. The dome clamp includes an upper tube, right and left clamp members, and a vertically adjustable locking means adapted to be movable from an unextended position out of contact with a dom... | 02/20/2007 |
| 7111625 | Demand valves for breathing apparatus There is described a demand valve for a breathing apparatus with a “first breath” mechanism, wherein a demand valve is held closed by resiliently latching an operating diaphragm of the valve in a position wherein the valve is closed. The diaphragm is resiliently... | 09/26/2006 |
| 7093597 | Respiratory equipment Respiratory apparatus including stowage equipment is addressed. The equipment may include a non-rigid bag covering at least part of an oxygen mask. The bag additionally may have an opening through which a portion of the mask protrudes, thereby facilitating its grasp... | 08/22/2006 |
| 7048311 | Lid lock apparatus for glove box A lid lock apparatus for a glove box is attached to inside of a lid to engage hook portions with the glove box. The lid lock apparatus includes a swing member a swing axis of which is rotatably supported by a lid of the glove box; a pair of lock arms, which are disp... | 05/23/2006 |
| 7040671 | Lock assembly with two hook devices A lock assembly includes a casing, two pivotable members pivotally mounted in the casing and meshed with each other, two linking rods, and two hook device each including a hook member and a rocker arm that is pivotally mounted in the casing. Each hook member has a f... | 05/09/2006 |
| 7036851 | Latching system for sliding window A latch system for securing a sliding window to a fixed member, the latch assembly including a latch housing, a catch housing, and a latch assembly. The latch assembly includes first and second latch arms and an actuator. The latch arms are pivotally secured to the ... | 05/02/2006 |
| 7021695 | Convertible top system for vehicle A retractable soft top system includes a support frame with a forward end and a rearward end. The rearward end is detachably and pivotably interconnected with the vehicle body at the rear of the passenger compartment. The support frame includes a latching member ext... | 04/04/2006 |
| 6954992 | Dryer Disclosed is an apparatus for opening/closing a door of a dryer, by which the door is opened/closed more simply and swiftly. The present invention includes a housing, a drum rotatably installed in the housing, a heating apparatus for supplying hot air to the drum, a... | 10/18/2005 |
| 6942259 | Latch assembly A latch assembly is provided for a movable closure element. The latch assembly has a housing and a first rotor that is movable relative to the housing selectively between a) a first latched position and b) a release position. The first rotor is biased towards the re... | 09/13/2005 |
| 6935805 | High reliability precision latch A reusable self-aligning precision latch, including a latch body for mounting a latch assembly, and an interface cone. A lead screw, coupled to the latch body on one end, pivots at an interface on the latch body allowing for self-alignment. A drive cam having a plur... | 08/30/2005 |
| 6923478 | Lock with rotary latches, especially for motor vehicles A lock, especially for motor vehicles, for securing a movable part, such as a pivoting flap, in position with respect to a stationary part, such as a housing, includes two rotary latches at a certain distance apart, wherein two closing pieces engage in the rotary la... | 08/02/2005 |
| 6913296 | Closing device for the door of an electric household appliance, in particular a dishwasher A closing device for the door of an electronic household appliance has a latch fitted to the door to rotate, in opposition to an elastic element, about an axis of rotation, and to cooperate with a catch fixed to the electric household appliance. The latch activates ... | 07/05/2005 |
| 6902214 | Electromechanical locking method and device An electromechanical lock includes a latching assembly secured to a first structure, a catch piece secured to a second structure, and an electromechanical device. The latching assembly includes at least one latch element movable between a capture and release states ... | 06/07/2005 |
| 6729661 | Locking device for locking two structural parts A locking device is provided for locking two structural parts that are moveable relative to each other. A latch hook is disposed in a reference plane and is adapted to swivel on a joint with an axis center. An actuating element is provided for swivelling the latch h... | 05/04/2004 |
| 6672632 | Mortise lock The device comprises a housing encasing a pair of upper and lower hooks, for counter-rotational movements; a pair of upper and lower adjusting assemblies, vertically spaced in parallel with the pair of upper and lower hooks for positioning the latter with... | 01/06/2004 |
| 6578885 | Remotely operated release device A remotely operated bull rope release comprises a support, a releasable member having a spherical head and a remotely controlled release mechanism for releasing the end of the releasable member for separation from the support. The release mechanism includ... | 06/17/2003 |
| 6540433 | Self-adjusting fastener and method for using same A fastening member is either retentively engaging or contacting a one piece member, and includes a biasing slot therein. A screw extends through the biasing slot and engages at least one biasing member on one side of the slot. The screw extends into the o... | 04/01/2003 |
| 6508494 | Locking arrangement for a switchgear cabinet A locking arrangement for a switchgear cabinet, having a lock and two locking bars, wherein the locking bars are displaced in opposite directions to each other when the lock is operated. A dependably operating locking arrangement can be produced if in end... | 01/21/2003 |
| 6336667 | Latch mechanism A compact, lightweight latch (38) especially adapted for use with an emergency deployment oxygen mask container (20) is provided which is made up of a minimum of parts and which can be delatched in multiple ways. The latch (38) includes a latch assembly (... | 01/08/2002 |
| 6312045 | Vehicle body side structure A vehicle body side structure is provided to prevent deformation of a structural member due to deformation of a door during a side collision. The vehicle body structure reduces the possibility that the structural member contacts an occupant and obtains an... | 11/06/2001 |
| 5901992 | Electromechanical locking mechanism for door leaves having a door closing device An electromechanical locking mechanism for door leaves whose holding force can be adjusted continuously and which at the same time offers the possibility, when the locking mechanism is energized, of also releasing the closed door from and returning it to ... | 05/11/1999 |
| 5642909 | Latch system A latch system which includes a latch bar slidable up and down on an interior of an enclosure door. The latch system has a rack member mounted on the latch bar extending through an orifice in the door to engage an actuator on the exterior of the door. The... | 07/01/1997 |
| 5294157 | Adjustable springs for pressure vessel closure A closure device for a lower opening of a coke drum pressure vessel is quick acting. The opening has an annular flange. An annular movable support encircles the pressure vessel above the flange. A stationary support secures to the flange below the movable... | 03/15/1994 |
| 5290076 | Quick activating pressure vessel closure A closure device for a lower opening of a coke drum pressure vessel is quick acting. The opening has an annular flange. An annular movable support encircles the pressure vessel above the flange. A stationary support secures to the flange below the movable... | 03/01/1994 |
| 5228825 | Pressure vessel closure device There is disclosed a flange or pressure vessel closure device and method for deheading a coke drum. The coke drum deheading device has an annular retaining element spring biased from a lower flange of a coke drum, and a plurality of hooks which extend fro... | 07/20/1993 |
| 5062668 | Safety lock for the doors of electrical applicances A safety door lock for a door of an electrical appliance includes a longitudinally displaceable detent bolt mounted in a door of an appliance, a door lock housing having an opening receiving the free end of the detent bolt, and a longitudinally displaceab... | 11/05/1991 |
| 5004280 | Variable power drive for sliding door A power striker for door latch employed on the sliding side door of a van type vehicle includes a power driver rotary drive member which upon rotation through 180° is operable to drive a slide member in linear movement between opposite end limits. A stri... | 04/02/1991 |
| 4961600 | Tank cover clamp A safety tank cover clamp 10 has first and second elongated claw members 24 and 25 pivotally attached to yoke member 11. Threaded cylindrical traveler member 17 is treadedly engaged with treaded throughhole 16 in yoke member 11. Upper end 18 of traveler m... | 10/09/1990 |
| 4826224 | Door latch assembly A latch assembly for securing a microwave oven door comprising two latch pawls engaging latch hangers, a vertically reciprocable or movable member having an elongated hole, a rack and two spaced legs, a spring-biased pinion contacting with a push-button. ... | 05/02/1989 |
| 4739896 | Aircraft servicing pit with gravity operated lid latch An access lid for a subsurface aircraft servicing pit is provided with a latch located below a surface across which aircraft roll. The fastening mechanism of the improved subsurface chamber is engaged by the force of gravity when the access lid is closed ... | 04/26/1988 |
| 4664431 | Apparatus for closing and reopening the cover for a container For use with a container with a removable cover at the top opening, at least one pair of cover tightening members are pivotally linked with each other and are mounted to the cover so that they can be operated to tighten the cover to the container or relea... | 05/12/1987 |
| 4457146 | Sliding door lock A door lock for sliding doors of trucks, vans and the like includes an exterior handle assembly and an interior handle assembly for actuating components carried in an interior housing assembly. The components include a pair of rotary latch bolts projectin... | 07/03/1984 |
