...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7431352 | System for providing communication between the interior and the exterior of a compartment A system for making a connection between the interior and exterior of a compartment, comprising a door opening through the compartment wall, a connector body which can engage with the wall, and having a connection port through it, and a removable cover on the connec... | 10/07/2008 |
| 7427089 | Apparatus and method for securing a hatch cover to a hatch port A hatch cover assembly for covering an opening in a vessel wherein a hatch port extends outwardly about the opening includes a hatch cover hingedly attached to the hatch port, and at least one latch assembly for fastening the hatch cover to the hatch port. The latch... | 09/23/2008 |
| 7370890 | Storage cabinet with locking system having dual release members A storage cabinet comprises: a container having a floor, upright side walls and a rear wall attached to and extending upwardly from the floor, and a ceiling attached to the side walls and rear wall, the floor, side walls, rear wall, and ceiling defining a storage ca... | 05/13/2008 |
| 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 |
| 7305800 | Storm barrier assembly An apparatus and assembly for retaining a substantially flat, protective panel within a frame such as a window frame. In one embodiment, the panel retention apparatus of the present invention includes a bracket member for fitting over an edge of the panel, such that... | 12/11/2007 |
| 7252311 | Motor driven latch A latch system including a first portion and a second portion which are attached to corresponding pieces. The first portion is engageable with the second portion. A drive device is coupled to at least one of the first portion and the second portion for controllable ... | 08/07/2007 |
| 7243685 | High pressure closure A closure includes a hub having a bore in fluid communication with the port of a vessel. A door is removably positioned within the bore of the hub, and a locking ring is threaded with the hub thread for moving the door to a closed and circumferentially sealed positi... | 07/17/2007 |
| 7195131 | Drum closure A drum closure which establishes a connection between the body of a drum and lid, wherein the connection will prevent separation of the lid from the body under severe loading conditions such as dropping the drum from a height of thirty (30) feet. ... | 03/27/2007 |
| 7192065 | System for providing communication between the interior and the exterior of a compartment A system for making a connection between the interior and exterior of a compartment, comprising a door opening through the compartment wall, a connector body which can engage with the wall, and having a connection port through it, and a removable cover on the connec... | 03/20/2007 |
| 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 |
| 7003850 | Railroad car hatch cover hinge structure and method for connecting a hatch cover to a railcar A hinge structure including a universal adapter located toward one end of and for allowing the hinge structure to be pivotally connected to different stationary brackets having differing pivot axes. The universal adapter defines multiple openings disposed in spaced,... | 02/28/2006 |
| 6997129 | Apparatus, and associated method, for operating a lid to a hatch An apparatus having at least one paw hingedly attached to a compartment side of a lid configured for covering a hatch of a compartment. At least one catch is positioned on a wall of said hatch for engagingly receiving the at least one paw. A spring is positioned for... | 02/14/2006 |
| 6955382 | Wafer carrier door and latching mechanism with c-shaped cam follower A wafer container, and methods of constructing a wafer container. The wafer container has an enclosure portion with at least a top, a bottom, a pair of opposing sides, a back, an open front, and a door to close the open front. The door includes a door chassis with a... | 10/18/2005 |
| 6929144 | Apparatus for locking a pressure vessel The invention provides an apparatus for locking a pressure vessel. A locking pins-receiving member is installed on the front portion of said chamber, with locking pins-receiving holes being formed vertically through said locking pins-receiving member. A side of each... | 08/16/2005 |
| 6786670 | Threaded closure Methods and systems are provided for operating a vessel or pipeline closure. A closure 110 includes a hub 12 fixedly and sealingly secured to the vessel, and a cap 30 for threaded engagement with the hub 12. An anchor 122 may be fi... | 09/07/2004 |
| 6742957 | Method and device for threaded closure of pipelines or vessels Methods and systems are provided for a vessel or pipeline closure. A closure 10 includes a hub 12 fixedly and sealingly secured to the vessel, and a cap 30 for threaded engagement with the hub 12. An anchor 22 may be fixedly secure... | 06/01/2004 |
| 6715235 | Seal for a pivoting ship door A seal for a pivotally mounted door, which is arranged to close off a load area on board a ship and is provided with sealing elements around the periphery of the door and exhibits battening jacks that are caused to move to batten down the door to the deck and bulkhe... | 04/06/2004 |
| 6705651 | Latching mechanism A latching mechanism that uses lubricant impregnated bearings to improve the operation, reduce the corrosion, ease the maintenance, and extend the life of the latching mechanism. The latching mechanism comprises a spindle rotatably disposed in a sleeve that is fixed... | 03/16/2004 |
| 6663149 | Threaded closure Methods and systems are provided for a vessel or pipeline closure such as the type used on pipeline pig launching and receiving systems, and closures on access portals for pressurized vessels. A threaded closure 10 is disclosed which may eliminate hammeri... | 12/16/2003 |
| 6554327 | Latch assembly for covered containers A latch assembly for securing a cover to a container comprises a base for mounting to the container cover adjacent to an edge thereof, a cover member secured to the base and a slider slidable between the base and cover member between a latched position wh... | 04/29/2003 |
| 6508495 | Latch assembly for covered containers A latch assembly for securing a cover to a container comprises a base for mounting to the container cover adjacent to an edge thereof, a cover member secured to the base and a slider slidable between the base and cover member between a latched position wh... | 01/21/2003 |
| 6502871 | Rotary latch system and method The present invention provides a latch system and method which is rotatably engaged/disengaged. Accordingly, the preferred embodiment provides a latch actuator, disposed in a latch cup of a surface to be provided restricted movement, and a latch bolt coup... | 01/07/2003 |
| 6386601 | Latching mechanism A latching mechanism that uses lubricant impregnated bearings to improve the operation, reduce the corrosion, ease the maintenance, and extend the life of the latching mechanism. The latching mechanism comprises a spindle rotatably disposed in a sleeve th... | 05/14/2002 |
| 6213449 | Handles for bottom outlet valve assembly A bottom outlet valve for a tank car having a bottom is provided. The valve includes a nozzle projecting from the bottom of the tank car and defining an opening and having a locking member, an outlet cap shaped and dimensioned to cover the opening and mov... | 04/10/2001 |
| 6109823 | Method of converting existing tank access ways A method of replacing an outwardly opening manhole cover that provides access to the interior of a tank or the like with an inwardly opening cover that includes the steps of removing the outwardly opening cover from the bolting flange of a tank installed ... | 08/29/2000 |
| 6095365 | Pivoting hatch cover assembly A hatch cover assembly for an access port includes a hatch which is adapted to cover the access port and a mechanism for applying a generally vertically-directed force to the hatch to raise it upwardly off the port, while maintaining the hatch in a genera... | 08/01/2000 |
| 6039362 | Cam-operated single acting hatch cover lock A hatch cover locking mechanism for securing a roof member onto a hatch opening of a railway hopper car is provided. The hatch cover lock utilizes camming engagement between an operation handle and a keeper member in order to rotate the keeper member and ... | 03/21/2000 |
| 5967358 | Tank filling and pressure relief assembly A tank filling and pressure relief assembly. A cover member has a seat for sealingly closing the tank opening. A stem is attached at one end to a piston in a cylinder (which is attached to the cover member and extends downwardly therefrom into the tank) a... | 10/19/1999 |
| 5960980 | Vented hatch cover A vented hatch cover assembly for a railroad hopper car including top and bottom members having substantially rigid and somewhat dome-shaped bodies which are divided into four quadrants wherein each quadrant includes coacting baffle members extending from... | 10/05/1999 |
| 5957318 | Brewing vessel with manhole opening The present invention relates to a brewing vessel comprising a manhole opening which is closable by a lockable lid. To obtain a simple locking mechanism which, in particular, does not create any unaccessible space, the locking ring is supported on the out... | 09/28/1999 |
| 5785362 | Cam-operated hatch cover lock A hatch cover locking mechanism for securing a roof member onto a hatch opening of a railway hopper car is provided. The hatch cover lock utilizes camming engagement between an operation handle and a keeper member in order to lock or unlock the keeper mem... | 07/28/1998 |
| 5738396 | Universal latch system for railroad car hatch covers A latch system for retaining hatch covers on railroad cars can accommodate any hatch cover type made by any car builder. The latch has a universal arm with a custom-made hinge adapter at one end for pivotally connecting the arm to any hatch design or cove... | 04/14/1998 |
| 5732844 | Safety hatch for tanks, washing machines and industrial machines and plants in general A safety hatch for tanks, washing machines, industrial machines and the like comprises a frame and an arm having a first end pivotally connected to the frame. A second end of the arm has a surface portion provided with a hole having a circular section com... | 03/31/1998 |
| 5732843 | Cover to be placed on a door of a receptacle to be sterilized Cover to place on a door (5) with unlocking by means of rotation as to slightly open it and making it possible to appropriately sterilize the entire inside of the receptacle it closes, whilst enabling bactericide vapors to easily reach the surfaces adjace... | 03/31/1998 |
| 5700043 | Disconnectable connecting device for two components with a non-circular outline, particularly oval To ensure the disconnectable connection of two components with a non-circular outline, in particular an oval outline, a rotatable ring of oval shape is fitted on a first component, cooperating with a second component by a bayonet system. Rotation of the r... | 12/23/1997 |
| 5660295 | Covers for gauging and sampling openings New covers for access openings or hatches, for example, gauge hatches, are preferably opened and closed on a "hands-free" basis, so that a human operator can carry gauging/sampling or other equipment in his/her hands and still gain access to the container... | 08/26/1997 |
| 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 |
| 5625655 | Fuel transfer tube quick operating remote closure device A nuclear power plant fuel transfer tube quick operating remote closure device (10) comprised of a reducing ring (20) and a cover assembly (60). The reducing ring (20) is bolted to the transfer tube housing flange (12). Rotation of a chuck key advances ja... | 04/29/1997 |
| 5566992 | Mechanism for latching and unlatching a hatch assembly A hatch dog handle mechanism includes a rotatable hub assembly which includes a handle, a locking lug. A locking plate or portion of the frame is also provided for engagement by the locking lug. The locking lug is rotatable about a central axis through a ... | 10/22/1996 |
| 5480197 | Toggle catch for intake air filters of internal-combustion engines, compressors and other machines which take in air A toggle catch for the closing of first and second housing parts of intake air filters for machines which take in air has a toggle lever which pivotally engages in a bearing opening of an abutment, and a hook part. This hook part is pivotally fixed on the... | 01/02/1996 |