Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7075053 | Device for determining the position of a scraper A device for determining the position of a scraper which is displaceable for the transport of coating material in a supply path of thereof, the coating material comprises a sensor responding to the presence of the scraper. This sensor is accommodated in a separate m... | 07/11/2006 |
| 6965320 | Cathodic test lead and pig monitoring system A pipeline monitoring system includes a series of monitoring stations (20), each having a computer (68), magnetic pig position detector (24), one or more input/output modules (90) and communications module (86). The communications ... | 11/15/2005 |
| 5397985 | Method for the imaging of casing morphology by twice integrating magnetic flux density signals Apparatus for 360° azimuthal imaging of steel casing employs a transducer that is rotated around the inside wall of the casing for inducing and measuring variations in induced flux density within the casing as an indication of changes in casing thickness... | 03/14/1995 |
| 5287133 | Self-orienting pipe inspection apparatus and method A device for photographing the interior of pipelines is disclosed. The device deposited at the pipeline's inlet and is drawn through the pipeline by fluid flow. The combination of a ballast device and a floatation device and a rudder maintain the device i... | 02/15/1994 |
| 5142989 | Propelling mechanism and traveling device propelled thereby A propelling mechanism for traveling through piping comprises: a motive power device; a plurality of sun gears driven in rotation by the motive power device; at least two planet gears meshed with each one of the sun gears and rotatably supported at specif... | 09/01/1992 |
| 5043663 | Method and apparatus for detecting angular defects in a tubular member A method and apparatus for determining the extent of defects in tubular elements for use in an oil or gas well is disclosed. The apparatus includes an electromagnetic or other suitable inspection device, cooperating with longitudinal and circumferential p... | 08/27/1991 |
| 5030911 | Method and apparatus for displaying defects in tubular members on a two-dimensional map in a variety of display modes A method and apparatus for determining the extent of defects in tubular elements for use in an oil or gas well is disclosed. The apparatus includes an electromagnetic or other suitable inspection device, cooperating with longitudinal and circumferential p... | 07/09/1991 |
| 4699485 | Method and camera system for the inspection of boiler tubes In a fire tube boiler, combustion takes place in elongated boiler tubes, which are subject to corrosion, wear, deposition build-up and color changes. A cylindrical camera body, round in cross-section, is inserted into a still-hot boiler tube. The camera b... | 10/13/1987 |
| 4607925 | In-pipe inspection system An in-pipe inspection system comprising a train of cars made up of at least a camera car, a drive car, the train being made to travel in a pipe laid underground, under water or on the ground; a cable connected to the train of cars, the cable being led out... | 08/26/1986 |
| 4598250 | Corrosion sensor device including side-by-side bar magnets surrounded by a coil A corrosion probe is disclosed which includes two permanent bar magnets in side-by-side relation, with opposite magnetic orientation and with poles of opposite polarity adjacent a sensing end of the probe, a sensing coil being disposed around the magnets ... | 07/01/1986 |
| 4560931 | Self-propelled mobile pipeline inspection apparatus and method for inspecting pipelines A mobile truck 10 furnished with power source and travel drive mechanism is set in a cargo oil pipe 48 to run inside to inspect and monitor the state of the inner surface of a pipe wall by means of its built-in magnetic flaw-detecting instrument 12 and vi... | 12/24/1985 |
| 4434427 | Atmosphere control for photographic pipeline inspection A device is disclosed which includes a camera pig and a tow pig having an articulated connection therebetween to permit movement through pipe bends. The tow pig includes a syphon device for projecting liquids upwardly and forwardly and also includes a com... | 02/28/1984 |
| 4372658 | Pipeline inspection apparatus Pipeline inspection apparatus is provided including a camera unit and associated illumination means, preferably a strobe flash unit, for recording on photographic film the rectangular images corresponding to generally rectangular internal surface portions... | 02/08/1983 |
| 4363545 | Photographic pipeline inspection apparatus including an optical port wiper This invention relates to apparatus for photographic inspection of the interior of a pipeline and more particularly to apparatus which includes an optical port wiper which makes it possible to obtain clear and accurate photographs under adverse environmen... | 12/14/1982 |
| 4322805 | Electrical survey method and apparatus An apparatus for making electrical surveys of structures contained in an electrolyte by measuring potential difference therebetween includes an electrode to contact the electrolyte proximate the structure, a wire electrically and mechanically connecting t... | 03/30/1982 |
| 4303926 | Chart drive mechanism In the preferred and illustrated embodiment of a recording device, a fluid volume driven chart bracket is disclosed. The bracket is rotationally responsive to fluid flow through a pipeline or the like. A recording chart is rotated by the fluid flowing thr... | 12/01/1981 |
| 4249810 | Pipeline inspection apparatus Pipeline inspection apparatus is provided including a camera unit and associated illumination means, preferably a strobe flash unit, for recording on photographic film the images of internal surface portions of a pipe for detection of defects. The camera ... | 02/10/1981 |
| 4172379 | Apparatus for inspecting a pipeline for leaks A method and apparatus for automatically adjusting the gain of an ultrasonic device for inspecting a pipeline for leaks. The ultrasonic device is designed to pass through the interior of a pipeline and record noise produced by fluids leaking from the pipe... | 10/30/1979 |
| 3967194 | Method for flaw location in a magnetizable pipeline by use of magnetic markers positioned outside of said pipeline A magnetic flux leakage method and apparatus for inspecting magnetizable test objects such as pipelines are disclosed. Magnetic diodes are connected to give temperature-independent readings of flux leakage and are spaced apart according to the size of the... | 06/29/1976 |
