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| Number | Title | Issue Date |
| 7225743 | Elevated rail transportation system A system for propelling a vehicle along an elevated, pneumatic power tube carried by exterior support structure above ground. First and second angles define tracks for the vehicle and extend parallel to the power tube. Undercarriages secured to the vehicle including... | 06/05/2007 |
| 7165634 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 01/23/2007 |
| 7147068 | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 12/12/2006 |
| 7143659 | Pipe-inspection system A pipe-inspection system (100) is provided. The system (100) is made up of a transmission cluster (104) incorporating a transmission unit (800) between first and second wheeled guidance units (400), and a reception cluster (104 | 12/05/2006 |
| 7048050 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/23/2006 |
| 7036610 | Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th... | 05/02/2006 |
| 7011029 | Vehicular linear pneumatic propulsion system A vehicular linear propulsion system for use along a track, comprising: a tubular drive line (3) divided lengthwise into a plurality of mutually-sealed sectors connected end-to-end by sector gate air valves (SG); at least one main supply pipe running adjacent... | 03/14/2006 |
| 6971318 | Passive monorail switch for a box shaped track A monorail switching arrangement is disclosed for switching the travel of a vehicle to either a continued-travel monorail section or a change-of-direction switched-travel monorail section, characterized by the provision of a plurality of vertically displaceable hori... | 12/06/2005 |
| 6592462 | Compressed fluid propelled amusement racing vehicle capable of moving human occupant driver/rider An amusement ride that simulates the sport of drag racing. The ride includes a vehicle propelled by a compressed fluid system. They compressed fluid system includes a pressure sleeve slid over and receiving pressure from a pressure tube. The vehicle is at... | 07/15/2003 |
| 6578494 | Propulsion/braking apparatus for a guided vehicle The present invention comprises an apparatus for propelling and braking a vehicle traveling along a guideway. The apparatus comprises a plurality of nozzles located along the length of the guideway that direct fluid jets. Strip valves are arranged end-to-... | 06/17/2003 |
| 6564722 | Transfer system A transport system includes a traveling rail (1) which constitutes a transport route and a transport body (3) which is capable of traveling on the traveling rail in the longitudinal direction of the traveling rail. Flexible drive tubes (5) are arranged on... | 05/20/2003 |
| 6389983 | Control circuit for operation of pneumatically propelled vehicles The improvement in a control circuit for the operation of pneumatically propelled vehicles consists of a propulsion duct formed by a guideway (1) and power propulsion units (3) with flow control valves (4) located at intervals along the guideway (1). Atmo... | 05/21/2002 |
| 6213026 | Propulsion plate connector system for a pneumatically propelled vehicle An improved propulsion plate connector system for a pneumatically propelled vehicle of a pneumatic transportation system includes a vertical pylon for connecting a propulsion plate in an air duct of a vehicle guideway to a wheel truck of the vehicle at a ... | 04/10/2001 |
| 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 |
| 6170404 | Pressure-driven magnetically-coupled conveyance This invention has the ability to provide the initial acceleration necessary for spacecraft to attain earth orbit without use of traditional rocket propellants. The invention also has the ability to provide an alternative means of ground transportation wi... | 01/09/2001 |
| 6076469 | Control circuit for operation of pneumatically propelled vehicles The improvement in a control circuit for the operation of pneumatically propelled vehicles consists of a propulsion duct formed by a guideway (1) and power propulsion units (3) with flow control valves (4) located at intervals along the guideway (1). Atmo... | 06/20/2000 |
| 5671681 | Transportation method for rider propelled vehicles A transportation system and method for rider propelled vehicles, such as bicycles, is disclosed, the system including a covered structure having a surface for movement thereover of the vehicle. Air is moved through the structure in a direction and at a se... | 09/30/1997 |
| 5669308 | Linear turbine propulsion system Propulsion apparatus for a transportation system vehicle. At least one gas producer is mounted on the vehicle for discharging a propulsive fluid stream. The propulsive fluid stream is directed against at least one longitudinally extending linear turbine a... | 09/23/1997 |
| 5601026 | Pressure-medium activated linear drive system A linear drive system has a guide rail and a transport device that is moveable along the guide rail. At least one tubular, flexible hollow body is positioned along the extension of the guide rail. The hollow body consists essentially of an elastomeric mat... | 02/11/1997 |
| 5560300 | Skate train To provide a railroad car design that allows the car to travel at high speeds over current roadbeds at very low fuel costs per mile a special rail is formed. This rail has the form of a wave shaped on its top with the troughs and crests of the wave repeat... | 10/01/1996 |
| 5558023 | Enclosed transportation system for rider propelled vehicles with pneumatic propulsion assistance A transportation system and method for rider propelled vehicles, such as bicycles, is disclosed, the system including a covered structure having a surface for movement thereover of the vehicle. Fan units are provided to move air through the structure in a... | 09/24/1996 |
| 5542357 | Linear turbine propulsion system Propulsion apparatus for a transportation system vehicle. At least one gas producer is mounted on the vehicle for discharging a propulsive fluid stream. The propulsive fluid stream is directed against at least one longitudinally extending linear turbine a... | 08/06/1996 |
| 4774891 | System for pneumatic propulsion of vehicles Cargo and passenger vehicles are pneumatically propelled by a system comprising a bifurcated rail module assembled on a beam, for establishing two alternative routes for the rail network, according to a position adopted by line changing equipment. Switch ... | 10/04/1988 |
| 4576097 | Pipeline inspection vehicles A pipeline inspection vehicle has at least one resilient driving cup mounted around the body of the vehicle so as to contact the interior wall of the vehicle and thus provide a pressure differential across the driving cup which will propel the vehicle alo... | 03/18/1986 |
| 4250657 | Air city game A game comprising an air tube transportation system energized by a unique air pump system. The air pump system includes an air pump manifolded into a plurality of tubes wherein each of the tubes is selectively connected to the air pump through individual ... | 02/17/1981 |
| 4182243 | Plant for pneumatic transport A pneumatic transport plant in which a plurality of aligned pneumatic tubes define a transport path, the tubes being spaced apart with an overhead rail in the form of an I-beam extending continuously along the path and through each tube, in which it is mo... | 01/08/1980 |
| 4174921 | Process and plant for the continuous unloading of the heavy-duty containers in a pneumatic transport system A system for the continuous unloading of the containers of pneumatic tranrt vehicles to which an initial velocity is imparted by pneumatic displacement within a transport tube section, while the movement of the vehicles beyond the transport tube section ... | 11/20/1979 |
| 4170944 | Arrangement for transportation of cargoes in containers An arrangement for transportation of cargoes in containers along a closed loop track having at least two spaced handling stations each station having a zone of reception of containers and a zone of delivery of containers, each portion of the track connect... | 10/16/1979 |
| 4166419 | Pneumatically propelled railway car transportation system A pneumatic transport system in which a transport tube is provided with an overhead rail in the form of an I-beam contained therein and a vehicle riding along the rail. The vehicle is formed by an elongated container suspended beneath the rail and displac... | 09/04/1979 |
| 4126093 | Air supply track for air bearing transporter and the like An air supply track for positioning in a floor, and a probe for mounting on a vehicle which moves along the floor. An air supply track having a slotted conduit with the slot closed by a membrane urged against the slot by air pressure within the conduit. A... | 11/21/1978 |
| 4114835 | Carrier for the pneumatic conveying of loads over a pipeline A carrier for the pneumatic conveying of loads over a pipeline the body of which is provided with longitudinal seals attached to its sides with provision for displacement in the vertical direction relative to the body and also provided with transverse sea... | 09/19/1978 |
| 4085681 | Transportation system A transportation system in which vehicular elements are movably mounted on a track and are supported on the track during operation by an air cushion and are propelled along the track by a linear air turbine, cooperating elements of which are on the track ... | 04/25/1978 |
| 4078498 | Single power unit air propelled system A low pressure air propelled transportation system for moving a vehicle or objects through a conduit having unrestricted, non-gated portals open at all times to atmospheric pressure at both ends. Adjacent the intake end of the conduit a plurality of Coand... | 03/14/1978 |
| 4075947 | Air tight connection between pneumatically conveyed containers The train of containers is intended for a plant for pneumatic transportation of goods through a tube, wherein the containers are interconnected by means of spherical joints. On the end face of the leading or foremost container in the direction of the trav... | 02/28/1978 |
| 4072109 | Pneumatically conveyed container with air tight sealing and guide means The container according to the invention is intended for pneumatic transportation of loads through a pipeline. The container comprises a body which is provided at the ends with a front cup and a rear cup, said front and rear caps closing the lower and upp... | 02/07/1978 |
| 4037805 | Assembling and repair station of a plant for pneumatic transportation of goods in containers through a pipeline An assembling and repair station wherein the trough adapted to receive the containers is mounted on guideways extending perpendicularly to the center line of this trough. A plurality of troughs is arranged at both sides of the guideways, to accommodate th... | 07/26/1977 |
| 4023500 | High-speed ground transportation system A high-speed ground transportation system wherein a vehicle rides on a film of air and is propelled as a free piston through a tunnel by pneumatic pressure. Seals on the vehicle create fluid communication between a high pressure area behind the vehicle an... | 05/17/1977 |
| 4017039 | Vehicle transport pipeline pumping system Booster pump devices for maintaining air flow through a conduit system for sweeping vehicles along the path defined by the conduit operate in full flow fashion such as tends to create reverse flow of air in the conduit within those sections between the in... | 04/12/1977 |
| 4007897 | Control system for monitoring vehicle passage at predetermined locations A vehicle control system monitors vehicle passage at predetermined locations. Each time a vehicle passes a predetermined location a window is created for passage of that vehicle at the next predetermined location. So long as the vehicle actually passes th... | 02/15/1977 |
| 4004806 | Apparatus for collecting balls Disclosed is an apparatus for collecting balls from a playing area, preferably tennis balls, comprising a channel surrounding at least a portion of the playing area for receiving balls rolling out of the playing area, a device of relatively high weight in... | 01/25/1977 |
