Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7987795 | Mink-fox transportation system for individual transfer/transport in connection with the production of mink/fox pelts A mink/fox transportation system (2) for individual transport in connection with the production of mink/fox furs, for example, the transport of upright-standing expansion pelt boards (4), with or without tanned, or tanned and dried pelts, to one or mor... | 08/02/2011 |
| 7311214 | Clean room crane assembly A hoist assembly for use in a clean room includes a hoist body which is received in a hoist cover cavity of a hoist cover. A rigging is coupled to a winch of the hoist body and to an attaching member attachable to a load. The rigging is received in a rigging cavity ... | 12/25/2007 |
| 7293506 | Structural system comprising a track for a magnetic levitation transport system powered by a linear electric motor Structural system comprising a track for a magnetic levitation transport system powered by a linear electric motor. This structural system comprising a track for a magnetic levitation transport system powered by a linear electric motor is notable in that it combines... | 11/13/2007 |
| 7290647 | Guide apparatus A guide apparatus has a standard end plate split into a pair of split parts that can be positioned with respect to each other with high accuracy and firmly secured to each axial end of a moving block body without fear of displacement during use. The guide apparatus ... | 11/06/2007 |
| 7205730 | Article transport vehicle The invention provides an article transport vehicle that includes: a vehicle body; a first wheel that supports the vehicle body; a second wheel that is disposed spaced apart from the first wheel in a fore-and-aft direction, and that supports the vehicle body; a firs... | 04/17/2007 |
| 7182024 | Flexible rail section A flexible rail section on which a carriage can be transported may include a longitudinal slot that is essentially parallel to a direction of carriage travel, wherein the flexible rail section can connect two misaligned rails. The flexible rail section may include t... | 02/27/2007 |
| 7066094 | Supporting framework for a craneway A supporting framework for a craneway for at least one crane which travels on at least one track, especially for a bridge crane which travels on two tracks, includes a track carrier elongated in a track direction and having at least one carrier section of reinforced... | 06/27/2006 |
| 6857374 | Guideway and vehicle for transportation system The guideway-based transportation system includes a guideway and a mating vehicle. The guideway includes a main guideway section that may branch at a branch point into two separate branch sections. The guideway has a suitable geometry to support and guide the vehicl... | 02/22/2005 |
| 6609859 | Ceramic cutting insert The invention relates to a ceramic cutting insert for cutting tools of the type which include a clamp with a nose intended to grip into a recess (5) in the cutting insert in order to keep the cutting insert firmly in place in an insert seat in a tool hold... | 08/26/2003 |
| 6602038 | Unified conveying apparatus, and semiconductor device manufacturing facility comprising the same A conveying apparatus conveys articles used for manufacturing semiconductor devices. The conveying apparatus has a conveying rail section that includes a first rail providing a first conveying route, a second rail providing a second conveying route, and a... | 08/05/2003 |
| 6488411 | Universal guide device and moving table device using same The present invention offers a universal guide device capable of using the sliders of conventional straight guide devices intact. The universal guide device does not need a different slider for each different radius of track rail. The universal guide devi... | 12/03/2002 |
| 6418855 | Industrial truck An industrial truck (1) is driven by a friction drive (7) acting on a rail (6). For this purpose, the industrial truck (1) stands on the underlying surface by way of a front steering-roller pair (3) and a rear fixed-roller pair (5) and is kept on track by... | 07/16/2002 |
| 6338573 | Universal guide device and moving table device using same The present invention offers a universal guide device capable of using the sliders of conventional straight guide devices intact. The universal guide device does not need a different slider for each different radius of track rail. The universal guide devi... | 01/15/2002 |
| 6321657 | Rail transit system A monorail transit system includes transit drive units for supporting a transit car body on a beam and propelling the body along the beam. Improvements to the transit system include a quiet steel rail with vibration isolation for the beam, a vehicle braki... | 11/27/2001 |
| 6244189 | Machine guide and propulsion system for variable geometry surface A carriage wheel and track upon which the wheel runs include meshed ridges and grooves oriented longitudinally with the track at the tangency of the wheel with the track, and force urging the track toward the wheel is applied to the track by a counter for... | 06/12/2001 |
| 6220173 | Trolley for rail tracks that are branched by means of switch points The invention concerns a trolley for rail tracks (3) that are branched by means of switch points. To avoid a switch point jam, while simultaneously saving power and maintenance effort, the trolley is equipped with moveable hooks and the switch points are ... | 04/24/2001 |
| 6178892 | Magnetic/air transportation system A transportation system uses a carrier conduit in the form of a long tube or channel in order to drive a vehicle by air pressure. A carrier having end plates obstructs the travel of air through the carrier conduit. Pressure differentials formed within the... | 01/30/2001 |
| 6036427 | Guided vehicle system for transporting loads A vehicle transport system and accompanying guide device designed to serve in automated warehouses has a guide rail that guides the transport vehicle. The transport vehicle has a carrying platform. The vehicle runs along the rail astride it and linked by ... | 03/14/2000 |
| 5934198 | Monorail transportation system A personal rapid transit vehicle for movement on a monorail guideway system advantageously limits the vehicle width by requiring the riders to be seated in the vehicle. Furthermore, a suspension system for coupling the vehicle to the guideway provides for... | 08/10/1999 |
| 5845583 | Dual-mode transporation system and power unit The invention comprises a replaceable power unit and transportation system for a dual-mode vehicle, such as an electric car which can operate on built-in batteries and by way of power supplied by a running rail. The vehicle moreover comprises road wheels ... | 12/08/1998 |
| 5797330 | Mass transit system A mass transit system provides an on-demand transportation system including private vehicles to provide point to point non-stop transport from a first passenger station to a second station within an area serviced by the system. The system includes a plura... | 08/25/1998 |
| 5735214 | Streamline track system with carriers and rail A track system for roller-equipped carriers to run along a straight and/or curving guide rail, which includes two pairs of opposed parallel plain lanes, a pair of oppositely directed parallel V edges intermediate the two pairs of plain lanes, and narrow l... | 04/07/1998 |
| 5647281 | Semi-rigid, fin-based transportation system A transportation system including a vehicle support structure (21), a vehicle (22) supported thereon, and elongated semi-rigid fin (44) attached to the vehicle (22) and a plurality of drive assemblies (45) positioned along the support structure (21) to fr... | 07/15/1997 |
| 5575216 | Linear motion rolling guide unit The linear motion rolling guide unit has a top seal secured to the casing which comprises a pair of lip seals that are in sliding contact with side areas of the upper surface of the track rail. The lip seals each have a pair of lip portions that incline f... | 11/19/1996 |
| 5562043 | Rail and carriage system with magnetically adhered plastic track A system for moving a work element along a work surface for performing work thereon includes an elongated track of flexible plastic material formed with gear teeth along one edge thereof. A carriage having a drive motor and a drive wheel driven thereby, i... | 10/08/1996 |
| 5555814 | Track for sortation handling equipment An improved monorail-type track section for use in a material handling and sortation system in which one or more train-type trolleys or cars runs along the track between various sortation and handling stations. The track section comprises a substantially ... | 09/17/1996 |
| 5537933 | Segmented safety rail with a movable trolley A safety system for restraining and preventing a person from falling off an elevated structure such as a locomotive. The safety system includes a segmented rail structure comprising a plurality of releasable and/or removable rail sections that are support... | 07/23/1996 |
| 5507679 | Toy vehicle system and associated vehicle A toy vehicle system has a vehicle provided with a resiliently biased driven wheel. The wheel is driven by a motor and interposed gears for rotating said driven wheel. The driven wheel is in contact with a lateral side of the track. The motor and driven w... | 04/16/1996 |
| 5492066 | Transport system A linear motor driven transport system of an improved design is presented. The conventional roller configuration for holding the transport vehicle on the rail track has been replaced with a spring-loaded design so as to maintain the contact between the ro... | 02/20/1996 |
| 5445080 | Free ranging monotrack sortveyor with selectively lockable article carrying tilt tray The invention is a monotract conveyor which has a pivotal tray which is selectively lockable to either pivot to either side of a track which the conveyor runs on, or to stay in an upright position. The tray is mounted to an upper portion of the conveyor u... | 08/29/1995 |
| 5372072 | Transportation system A transportation system comprises a continuous stationary track having a pair of opposed rigid bearing surfaces, and a plurality of discrete cantilevered load-carrying vehicle units movable beside said track. Each vehicle is coupled to the track by a bogi... | 12/13/1994 |
| 5325788 | Safety trolley restraint system for railroad bridges having pivotal clamping rollers A safety trolley restraint system for easy attachment to the rail of a railroad track crossing a bridge includes a trolley carriage with opposed rollers clampable to the rail so as to hold the trolley on the rail while permitting rolling movement of the t... | 07/05/1994 |
| 5303656 | Monorail tramcar type conveyor The invention relates to a monorail tramcar type conveyor having a driven carriage connected to a free rolling carriage for traveling along the top of the rail. Both the driven and free carriages have a rectangular frame, from which vertical axis guide ro... | 04/19/1994 |
| 5235917 | Monorail trolley with U-shape frame extending over, above, and surrounding the rail A trolley for traveling along a beam supported from below and having two protruding flanges comprising a frame that partially surrounds the beam, a travel wheel mounted so that it contacts and rolls on an upper surface of the lower flange of the beam, a s... | 08/17/1993 |
| 5174219 | Bogie for a track-guided vehicle The bogie (1) features a pair of running wheels (3, 3') running on bearings fastened to a rocking frame (4). The rocking frame is hinged on one side to the bogie and connected on the other side over spring devices (5, 5') with the frame. Hereby the runnin... | 12/29/1992 |
| 5131330 | Cylindrical linear transportation system with linear motor propulsion A linear motor transportation system is constituted by a movable member 11A in the form of a ring and a plurality of cylindrical stationary portions 3B-3E arranged in series to form a cylindrical guide. The movable member has an inner diameter larger than... | 07/21/1992 |
| 5070792 | Multi-position travelling carriage with flexible track The invention relates to the use of a thin flexible track of spring steel having a series of perforations therethrough for use in conjunction with a variable speed travel carriage having a carriage drive sprocket which is studded about the periphery with ... | 12/10/1991 |
| 4996928 | Integrated chassis and suspension systems for monorail vehicles A monorail vehicle support system for supporting a vehicle body along a monobeam rail having top and side running surfaces. An attachment frame is secured to opposed ends of the vehicle chassis. A single steerable load carrying wheel is supported in a ver... | 03/05/1991 |
| 4934278 | Moving apparatus with track recessed portion to dissipate drive roller contact pressure A displacing apparatus includes a moving table provided movably on a guide rail mounted on a fixed base. A guide bar is provided on the fixed base in parallel with the guide rail. The guide bar is formed with a recess. Also provided is a driving roller ma... | 06/19/1990 |
| 4928601 | Bike monorail system A bicycle monorail system is provided and consists of a series of bicycles which are to be peddled by riders to run about an elevated monorail track having an irregular continuous path. Each bicycle includes a structure thereon to prevent another bicycle ... | 05/29/1990 |
