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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7354235 | Discharge elbow for a forage harvester A discharge elbow for a forage harvester. The discharge elbow includes a frame-shaped support assembly and at least one locking element attached to the inside of the support assembly. ... | 04/08/2008 |
| 7341012 | Barge with tiltable container The present invention relates to a barge with an open top container for receiving a cargo mounted on the deck characterized in that the container is pivotally mounted on the deck such that cargo (e.g. marine sand) can be discharged from the barge by tilting of the c... | 03/11/2008 |
| 6685006 | Closed belt conveyor operating in a 3-D space A belt conveyor comprises an endless and closed conveyor belt (25) which is flexible essentially merely about axes which are parallel with the transverse direction of the belt (25), a tower (2; 70, 75); an inner arm (3; 64) supported by the tower (2; 70, ... | 02/03/2004 |
| 6497535 | Material distribution vessel and method for distributing material recovered in a dredging operation A material distribution vessel for distributing material recovered in a dredging operation is disclosed. The material distribution vessel includes a hull; a propulsion system for selectively moving the hull through a waterway; and a conveyor system suppor... | 12/24/2002 |
| 6343559 | Transportation system for dredged material and method of levy building A system for transporting material recovered in a dredging operation performed by a dredge is disclosed. The system includes a water-borne material distribution vessel including a conveyor system for receiving and depositing the recovered material. It als... | 02/05/2002 |
| 6340278 | Granule transfer apparatus and granule spreading method A stage (3) for holding a boom body (4), which is composed of a plurality of boom components (15, 41, 42), is mounted on a tower mast (2) so as to be turnable by means of a servomotor. A servomotor (56, 61) for turning the next boom component is provided ... | 01/22/2002 |
| 6132156 | Ecological shiploader A ship loading installation for loading bulk materials at a sea port into a ship or barge using a loading system comprised of a projecting boom structure mounting a first belt conveyor portion therein and provided with means for vertical luffing motions, ... | 10/17/2000 |
| 6021889 | Conveyor belt with deflection rollers A conveyor for an endless, closed-loop conveyor belt (1), which is flexible transverse to its extension, has a guide (11) keeping conveyor belt on a substantially rectilinear main path (3) and on a generally perpendicular branch. A branch device (9) is mo... | 02/08/2000 |
| 5871324 | Shiploader system A system and method for transporting material from an approach conveyor on to an elongate transport device such as a ship. The ship being positioned at a predetermined orientation, preferably on against a set of docking piers, relative to the approach con... | 02/16/1999 |
| 5807054 | Bulk unloader/reclaimer with bucket chair cover and guide A continuous bulk unloader/reclaimer that utilizes a bucket conveyor chain 13 to remove cargo 11 from the hold 9 of vessels such as ships, barges, railroad cars, pits, stockpiles etc. The conveyor chain 13 has components that guide it vertically outward a... | 09/15/1998 |
| 5727918 | Loader for bulk ship An apparatus for loading bulk material into a ship has a carriage movable alongside the ship, an elongated outrigger tube having an inner end on the carriage and an outer end and provided internally with a longitudinally extending partition subdividing th... | 03/17/1998 |
| 5709517 | Apparatus for unloading of bulk material from the cargo holds of ships An apparatus for unloading bulk material from a ship adjacent a dock has a portal support movable longitudinally on the dock parallel to the ship and carrying a boom having an inner end pivoted about an inner axis on the support and an outer end positiona... | 01/20/1998 |
| 5626218 | Belt unloader provided with a screw feeder system In a belt unloader provided with a vertical carrier (53) for carrying bulk cargo vertically, a screw feeder system is supported by a supporting frame (14) connected to a body frame (18) such that the supporting frame is allowed to be tilted. The screw fee... | 05/06/1997 |
| 5575603 | Bulk-ship unloading system An apparatus for unloading bulk material from a ship floating in a body of water has a carriage displaceable horizontally adjacent the ship, a turntable on the carriage, and a generally upright column having a lower end pivoted on the turntable and an upp... | 11/19/1996 |
| 5573363 | Floating conveyor system A floating conveyor system includes a number of serially interconnected conveyor units for transferring sand, gravel and other material from a floating dredge to a land based station for processing. Each conveyor unit is supported by pontoons or floats ov... | 11/12/1996 |
| 5492453 | Materials handling system A materials handling system is disclosed which includes a pneumatic conveyor which feeds material onto a series of belt conveyors. The pneumatic conveyor includes a vertically movable nozzle for sucking up the material to be conveyed. Power is supplied to... | 02/20/1996 |
| 5393187 | Continuous bulk unloader/reclaimer A continuous bulk unloader/reclaimer that utilizes a bucket conveyor digging chain 18 to remove material 16 from the holds 14 of vessels such as ships, barges, railroad cars, pits, stockpiles etc. The conveyor chain 18 is comprised of an elastomer bushing... | 02/28/1995 |
| 5372468 | Bulk material unloading system An unloading system for transporting bulk material from a cargo hold includes parallel guides mounted to extend in a first, preferably width, direction across the top of the cargo hold. A horizontal cross bar extends across the top of the cargo hold in a ... | 12/13/1994 |
| 5320471 | Suspension and guide of a vertical conveyor in the discharge trunk of a ship unloader A continuous-conveyance bulk-cargo ship unloader in which a boom is provided with an elephant trunk that can swing from one end of the boom. The trunk has a hollow cylindrical shaft which accommodates an upright conveyor. At the bottom of the elephant tru... | 06/14/1994 |
| 5238346 | Continuous-conveyance bulk-cargo ship unloader A continuous-conveyance bulk-cargo ship unloader. It has a pickup at the bottom of an upright screw conveyor. The screw conveyor rotates around a vertical axis and relays a more or less horizontally free-flowing stream of bulk material to a sandwiched-bel... | 08/24/1993 |
| 5232327 | Ship loader or unloader An arrangement for loading and unloading a ship comprises a boom having an upper portion in the form of a continuous box girder attached to a portal. An upper trackway is supported on a forward region of the boom on top of the box girder. A platform is su... | 08/03/1993 |
| 5193965 | Slewing bridge material handling apparatus capable of continuous material feeding during moving and slewing The present invention relates to a material handling apparatus, commonly known as a slewing bridge shiploader or more specifically a linear shiploader, having front and rear pivotal supports. The front end support of the bridge is movable along a linear t... | 03/16/1993 |
| 5193964 | Slewing bridge material handling apparatus capable of continuous material feeding during moving and slewing This invention relates to a material handling apparatus, commonly known as a slewing bridge shiploader or linear shiploader, having front and rear pivotal supports and a movable boom traversing the bridge. The front end support of the bridge is movable al... | 03/16/1993 |
| 5184714 | Centrifugal thrower apparatus A centrifugal thrower apparatus, which may be used on swivelloaders, swivelpilers, box car loaders, pilers, ship trimmers and the like, capable of maintaining a substantially constant belt tension over a wide range of angles of discharge. Preferably, a ca... | 02/09/1993 |
| 5024568 | Bulk material reclaiming apparatus A cargo reclaiming apparatus that may be fitted to a ship for emptying bulk solid material from the holds or to a warehouse for emptying such material from storage bins. The apparatus has a gantry movable across the top of the storage containers, a rotata... | 06/18/1991 |
| 4962846 | Unloader An unloader for unloading bulk commodities within holds, such as wheat and coal. A plurality of boom conveyers are juxtaposed on a boom, and vertical screw conveyers, each having at the lower end an inlet port for receiving a bulk commodity to be conveyed... | 10/16/1990 |
| 4925010 | Loading of pourable goods A device for unloading and reloading includes a bridge with a first conveyer belt, the device being provided for delivering pourable goods to a destination along a quay and includes a tower for pivot-mounting the bridge; also sliding longitudinally on the... | 05/15/1990 |
| 4907932 | Continuous bulk material conveyer A movable continuous bulk material conveyer, especially for unloading ships. A steep-rise conveyor is provided that comprises a conveyor belt and a cover belt. The bulk material is thrown by two casting reels into the lower gap between the conveyor belt a... | 03/13/1990 |
| 4732523 | Ship unloading mechanism A ship unloading mechanism has an endless, vertically operating compartmented belt conveyor by which material to be lifted is transported from a ship's hold at the lower end of the conveyor onto a horizontal conveyor at the top end of the conveyor, when t... | 03/22/1988 |
| 4714097 | Dust containment system for bulk cargo containers A method and apparatus for the containment of dust within a bulk cargo container such as a ship or barge hold. A horizontal stream of ambient air is directed across the hatch opening by a plurality of interconnected air curtain modules which captures fugi... | 12/22/1987 |
| 4712962 | Articulated boom mechanism for unloading bulk solid material from a ship An articulated boom mechanism is utilized for transporting material between a first position and a selectable second position. The boom mechanism is comprised of two boom members. One boom member has its one end mounted by a universal-type connection to a... | 12/15/1987 |
| 4658948 | Material transfer assembly A material transfer assembly is provided which includes a carriage of an unloading apparatus which is movable along a fixed, elongated conveyor housing. The carriage includes a funnel plate with an opening through which powdered material discharges throug... | 04/21/1987 |
| 4571145 | Combination handling and conveying apparatus In one exemplar embodiment, an apparatus for handling and conveying materials is disclosed having a movable chassis, a longitudinally extendable conveyor assembly mounted on the chassis, the conveyor having a projecting loading end capable of limited long... | 02/18/1986 |
| 4477210 | Conveyor system for loading ships A pneumatic conveyor system for transporting bulk materials from a shore-based hopper (2) to a ship includes a pipeline comprising an inlet section (4), an intermediate telescopic tubing (36) and an outlet section (45). One end of the telescopic tubing (3... | 10/16/1984 |
| 4459077 | Bulk goods unloading apparatus for ships or similar means of transport A bulk goods unloading apparatus for ships or other similar transport vehicles is disclosed. The bulk goods unloading apparatus basically comprises a gantry, movable alongside the transport vehicle, the gantry being provided with a swiveling cantilever sy... | 07/10/1984 |
| 4379672 | Combination handling and conveying apparatus In one exemplary embodiment, an apparatus for handling and conveying materials is disclosed having a movable chassis, a longitudinally extendable conveyor assembly mounted on the chassis, the conveyor having a projecting loading end capable of limited lon... | 04/12/1983 |
| 4284369 | Take-up head for bulk material conveyor installation The disclosure is directed to a take-up head for a conveyor installation that removes bulk material from the hold of a ship. The take-up head includes a vertical conveying tube carried by a frame, the lower end of the tube defining a take-up aperture. A r... | 08/18/1981 |
| 4082181 | Ship-loading installation A column disposed at the center of a circular track carries a first rocker, which is provided with first roller means. An outer support is movable on wheels along said truck and carries a second rocker, which is provided with second roller means. A bridge... | 04/04/1978 |
| 4073390 | Ship loading system A ship loading system for loading bulk cargo, e.g. iron ore, at a ship's berth is proposed which has two shiploaders spaced apart along the berth and each shiftable along the berth. The shiploaders are both fed by an endless main conveyor which has trippe... | 02/14/1978 |
| 4065002 | Pocket door ship loader A pocket dock ship loader is disclosed to include at least one pocket to accommodate dock site storage of bulk material, a first conveyor such as a tripper conveyor for transporting bulk material from an off-dock source to the pocket, a second conveyor su... | 12/27/1977 |
