Bizarre Patents
A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
PatentStorm News
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 |
| 6450104 | Modular observation crawler and sensing instrument and method for operating same A robotic apparatus adapted for locomotion in an enclosed space such as a pipe includes a combination of articulated gripping and locomotive modules. Each gripping module includes an actuator mechanically linked to gripping members such that axial forces ... | 09/17/2002 |
| 6427602 | Pipe crawler apparatus A pipe crawler apparatus particularly useful for 3-inch and 4-inch diameter pipes is provided. The pipe crawler apparatus uses a gripping apparatus in which a free end of a piston rod is modified with a bearing retaining groove. Bearings, placed within th... | 08/06/2002 |
| 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 |
| 6035786 | Miniature pipe crawler tractor A pipe crawler tractor may comprise a half tractor assembly having a first base drive wheel, a second base drive wheel, and a top drive wheel. The drive wheels are mounted in spaced-apart relation so that the top drive wheel is positioned between the firs... | 03/14/2000 |
| 5619930 | High speed transportation system A transportation system for transporting vehicles between destinations, including a self-supporting tunnel connecting automated loading and unloading yards, and a non-wheeled tubular vehicle including a ram drive. The vehicle is provided with anti-frictio... | 04/15/1997 |
| 5433155 | High speed transport system A method and apparatus is capable of high-speed transportation of passengers and/or freight. Vehicles are operated along a guideway as a result of the interaction between vehicle lift, steering and propulsion apparatus, each of which includes coil assembl... | 07/18/1995 |
| 5282424 | High speed transport system A method and apparatus is capable of high-speed transportation of passengers and/or freight. Vehicles (22) are operated along a guideway (14) as a result of the interaction between vehicle lift, steering and propulsion apparatus, each of which includes co... | 02/01/1994 |
| 5121694 | Pipe crawler with extendable legs A pipe crawler for moving through a pipe in inchworm fashion having front and rear leg assemblies separated by air cylinders to increase and decrease the spacing between assemblies. Each leg of the four legs of an assembly is moved between a wall-engaging... | 06/16/1992 |
| 5080020 | Traveling device having elastic contractible body moving along elongated member A traveling device moving along an elongated member includes support members arranged spaced apart from each other, an elastic contractible body arranged between the support members and expansible radially outwardly to cause contracting force in axial dir... | 01/14/1992 |
| 5033391 | Land transportation system A Land transportation system has an unmanned mobile box which rides in a tube from one place to another. Guides are affixed to the center of the tube to cooperate with guide rollers on the box to stabilize the running of the box. Wings are provided on the... | 07/23/1991 |
| 5029531 | Very high speed ground transportation system A system for very high speed ground transportation employing vehicles running in tunnels. The interior surface of the tunnels is a helical thread, and the wheels of the vehicle are helical gears meshing with the helical interior surface of the tunnel so a... | 07/09/1991 |
| 4862808 | Robotic pipe crawling device A robotic pipe crawling device comprises two three-wheel modules pivotally connected at their centers, each having one idler wheel and two driven wheels. Each module comprises an idler yoke and a driveline yoke chassis with parallel laterally spaced recta... | 09/05/1989 |
| 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 |
| 4563954 | Four-wheeled adjustable vehicle A motor driven vehicle for traversing the interior of a pipe or conduit accommodates itself to variations in the interior contour of the pipe and automatically positions itself on the longest axis of any cross section of the pipe. It comprises a pair of t... | 01/14/1986 |
| 4526106 | Three-wheeled adjustable vehicle A motor driven vehicle for traversing the interior of a pipe or conduit comprises a pair of arms pivoted to each other at one pair of ends, a drive wheel the axle of which may coincide with the pivot, a swiveling wheel carried at the other end of each arm... | 07/02/1985 |
| 4458601 | Speed control system for a pipeline inspection vehicle A pipeline inspection system in which a vehicle, which has sensors to detect flaws in the pipeline, is moveable within the pipeline by a fluid flowing in the pipeline, and wherein a speed control for the vehicle is provided by a braking device which impos... | 07/10/1984 |
| 4457236 | Pipe internal towing carriage A pipe internal towing carriage comprises friction rollers intended for engagement with the internal periphery of the pipe, the friction rollers being mounted successively on a drive shaft such that their axes of rotation are mutually parallel and interse... | 07/03/1984 |
| 4435829 | Apparatus for radiographic examination of pipe welds An x-ray probe carrier for the inspection of circumferential welds in cylindrical pipes includes a carriage supported on omnidirectional ball transfers for movement along the bottom of a pipe section. A centrally mounted adjustable probe holder is preset ... | 03/06/1984 |
| 4389967 | Boat for carrying semiconductor substrates In a boat with wheels for carrying semiconductor substrates, the friction surfaces of the wheel systems are coated with a silicon nitride film to prevent seizure from occurring during a diffusion, oxidation or annealing process for semiconductor substrate... | 06/28/1983 |
| 4388871 | Speed control system for a pipeline inspection vehicle A pipeline inspection system in which a vehicle, which has sensors to detect flaws in the pipeline, is moveable within the pipeline by a fluid flowing in the pipeline, and wherein a speed control for the vehicle is provided by a braking device which impos... | 06/21/1983 |
| 4244296 | Self-propelled vehicle Self-propelled vehicle with articulated arms able to move in a tube or in a laminar space defined between two approximately parallel surfaces. It comprises a body equipped with at least one driving and guide wheel which bears on a surface on which the veh... | 01/13/1981 |
| 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 |
| 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 |
| 4148260 | High speed transit system A high speed ground transportation system, is suspended in an underground vacuum tube by a frictionless magnetic suspension system and propelled by gravity. The tubes are suspended inside deep underground tunnels from anchor points near each adjacent stat... | 04/10/1979 |
| 4105486 | Tire component transfer Apparatus for transferring a tire component such as a belt and tread assembly includes an annular supporting frame with a plurality of radially movable component gripping sectors mounted on the frame at equal circumferentially spaced locations, each of th... | 08/08/1978 |
| 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 |
| 4066021 | High speed transportation system A high speed transportation system designed to reduce frictional heat generated between the wheels and the track upon which the wheels are rotating in which a plurality of wheels are successively placed in contact with a track having a concave surface and... | 01/03/1978 |
| 4034679 | Automated pipeline crawler A powered pipeline crawler comprising a personnel carrier having an outer configuration complementary to the inner cross-sectional configuration of a pipeline and provided with suitable wheels for longitudinal movement through a pipeline. In addition, pow... | 07/12/1977 |
| 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 |
| 3980024 | Air propelled vehicle transportation system A low pressure transportation system for moving a vehicle between stations which are at atmospheric pressure without the use of valves in the vehicle conduit and without any substantial movement of system air in or out of the vehicle portals. The system c... | 09/14/1976 |
