William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7059468 | Production line for food products A production line for food products includes a plurality of apparatus modules (1) arranged one after the other, each module being arranged to perform at least one manufacturing stage of the food product. The production line includes a frame (2), which ... | 06/13/2006 |
| 7004707 | Movable bulk charging/discharging equipment The invention relates to a charging/discharging equipment movable on a quay for charging of bulk (13) into a ship's hold (11), respectively for discharging therefrom, comprising—a first conveyor for transferring a batch of bulk (13) from a qua... | 02/28/2006 |
| 6932325 | Active-over-passive coordinated motion winch The instant invention is directed to a active-over-passive coordinated motion winch designed to be used in combination with a class of existing offshore lifting systems such as A-Frames, booms or cranes to minimize the relative movement between a payload position an... | 08/23/2005 |
| 6406696 | Methods of stimulating the immune system with anti-CD3 antibodies Disclosed are immunopotentiating agents, and vaccines thereof, which enhance and/or otherwise modify immune responses, and method for their preparation and use in vivo. Immunopotentiating agents can be single agents that act directly, adjuvants added conc... | 06/18/2002 |
| 6032786 | Filling arrangement for a bulk unloader The invention concerns a filling arrangement (12) for a bulk unloader having a conveyor belt travelling in an endless path and provided with material receiving pockets (9). The arrangement is characterised by a filler wheel (31) having an essentially hori... | 03/07/2000 |
| 5984081 | Continuous unloader A continuous unloader includes upper sprockets, lower sprockets located below the upper sprockets, and front sprockets located in front of the lower sprockets. An endless bucket conveyer is operatively taken on the upper, lower and front sprockets. A supp... | 11/16/1999 |
| 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 |
| 5769206 | Continuous unloader A continuous unloader has a vertically extending elevator portion having a bottom and a top, a digging portion extending horizontally from the bottom of the elevator portion and a return portion extending from the top of the elevator portion to a free end... | 06/23/1998 |
| 5685683 | Bulk-ship unloading system Bulk material is unloaded with a bucket conveyor from a ship floating in a body of water by first positioning the ship in the body of water between a stationary land-fixed location and a float spaced transversely therefrom. An outer intake end of a pivota... | 11/11/1997 |
| 5667350 | Bulk ship unloader An apparatus for continuously unloading bulk material from a bulk container has a carriage displaceable longitudinally adjacent the bulk container and an outrigger having an inner end pivotable about longitudinal and vertical axes on the carriage and an o... | 09/16/1997 |
| 5651447 | Self-scooping bucket conveyor The invention relates to an L-shaped bucket conveyor, in particular a ship unloader, that has a vertical conduit and a bucket-conveyor foot movable vertically relative to the conduit and having in turn a generally vertically extending section and a genera... | 07/29/1997 |
| 5564878 | Apparatus and method for continuous handling of bulk materials This apparatus relates to a materials handling apparatus that has a plurality of open-sided buckets arranged to travel along a first path having a first sense. The buckets are loadable when traveling along a first portion of the first path. An endless bel... | 10/15/1996 |
| 5409343 | Ship loader or unloader A ship loader or unloader includes a vertically extending first region and a horizontally extending second region; a first hydraulic cylinder connected to a lower end of the first region and to the second region for translationally displacing the second r... | 04/25/1995 |
| 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 |
| 5375896 | Bucket mechanism, particularly a ship unloader Proposed is a bucket mechanism, particularly a ship unloader, which includes at least one rotating traction member with receiving elements fastened thereto. The receiving elements are formed of a stiff supporting member, with an elastically yielding mater... | 12/27/1994 |
| 5259130 | Floating grab installation for the recovery of sand and gravel A floating grab installation for recovery of sand and gravel is disclosed. The installation includes a catamaran-type float or pontoon having a gripper and gripper support thereon. The gripper transfers the sand and gravel to an underwater tank having an ... | 11/09/1993 |
| 5049021 | Self-unloading method and apparatus for ships An unloading marine leg for a self-unloading ship including a bucket conveyor for removing granular material from the hold of a ship, the marine leg including a distal end and a discharge end with the discharge end being pivotally mounted to a carriage on... | 09/17/1991 |
| 4988250 | Bucket elevator type continuous ship unloader A bucket elevator type continuous ship unloader is used for both a sidewise shovelling operation and a catenary cleaning up operation. In this ship unloader, a bucket chain is wound around sprockets respectively provided at the front and rear ends of a ho... | 01/29/1991 |
| 4890719 | Excavator for bucket elevator type continuous unloader An excavator for a bucket elevator type continuous unloader has a horizontal travel section constituting an excavating section of the bucket elevator which is constituted by an endless bucket chain, and a parallel link mechanism. The parallel link mechani... | 01/02/1990 |
| 4860884 | Bucket conveyor, particularly for unloading ships A bucket conveyor including self-scooping bucket elements, a support structure, and a mechanism for displacing the elements over a closed path along the support structure for conveying bulk material from a region below the structure to a region in the vic... | 08/29/1989 |
| 4830177 | Bucket elevator-type continuous unloader A bucket elevator-type continuous unloader in which guide rails are provided on a frame of a horizontal scraping section and rollers engaging with each guide rail are provided for a train of elevator buckets, wherein the guide rails are adapted to be enga... | 05/16/1989 |
| 4693360 | Continuous operation bulk goods unloader A continuously operating bulk goods unloader which has by a vertical jib supporter (9) maintaining its direction been affixed to a supporting structure carrying the unloader and within the tubular vertical jib (1) of which runs an endless compartmented be... | 09/15/1987 |
| 4671725 | Barge tipplers or dumpers A tippling installation for the discharge of bulk goods from large barges comprises a dry basin in which a trough-shaped cradle can have its ends sealed against opposite end walls of the basin in which there are lock gates. The cradle provides a holding v... | 06/09/1987 |
| 4585384 | Multi-stage conveyor system A multi-stage conveyor system consists essentially of a loading unit for loose material to be conveyed, an elevator unit and a transom unit for conveying the material to a depositing station. When transferring the material from the elevator unit to a deli... | 04/29/1986 |
| 4440537 | Conveyor system In a conveyor system for bulk materials used for loading and unloading large containers, and particularly ships, including a gantry, a boom pivotally mounted on the gantry, a vertically positioned leg extending from the boom and mounted to rotate relative... | 04/03/1984 |
| 4336877 | Foldable unloading machine The disclosed unloading machine, which is foldable in height to facilitate its insertion into a ship or the like, comprises an endless train of circular buckets, with axial tension elements therebetween, a foldable vertical leg including two parallel guid... | 06/29/1982 |
| 4268204 | Continuous ship unloader A continuous type of bucket unloader especially useful in transferring bulk cargo from a floating ship to shore has a main loading boom with an endless bucket chain pivotally suspended at its shipside end and which is pivotally mounted between its ends on... | 05/19/1981 |
| 4261678 | Unloading device for ships, bunkers, storage yards or the like An unloading device for equipment such as ships, bunkers, storage yards or the like comprises an elevator which has a substantially vertical supporting structure with a lower pickup end and an upper delivery end and a conveyor mounted on the structure wit... | 04/14/1981 |
| 4236857 | Apparatus for the continuous unloading of ships An apparatus for the continuous unloading of ships, having a traveling crane and a boom disposed for raising and lowering thereon and bearing a feeder for bulk material that is to be unloaded comprise a bucket elevator including a main frame and a lower s... | 12/02/1980 |
| 4230220 | Vertical bulk-conveying apparatus and bulk delivering system utilizing the characteristics thereof A novel apparatus for vertically conveying bulk materials is provided which includes a vertical belt conveyor comprised of two endless conveyor belts guided to travel upwardly along a substantially vertical plane in a face-to-face overlapping relation to ... | 10/28/1980 |
| 4003480 | Apparatus for loading ships or barges Apparatus for unloading floating cargo vessels comprising endless pick-up members mounted on a jib which, in turn, is mounted on a gantry; a sensing member for determining the position in height of the cargo in the vessel relative to a fixed reference pla... | 01/18/1977 |