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 |
| 4502041 | Structure failure detector with signal transmission through the structure itself An offshore drilling tower has at least one upright hollow member extending from below the water to support an above-water platform. A detector in or on the hollow member, usually below the water, responds to a water leak into the hollow member. The detec... | 02/26/1985 |
| 4486864 | Method for marine seismic exploration A method for marine seismic exploration, comprising the steps of first discharging simultaneously a set number of seismic sources having a known volume V1, resulting in several seismic waves with substantially identical form which after reflect... | 12/04/1984 |
| 4477887 | Low noise mounting for accelerometer used in marine cable A marine seismic streamer cable having both pressure responsive and acceleration responsive transducers disposed therein. The accelerometer responds to acceleration along one axis regardless of its orientation about the other axis. The accelerometer is mo... | 10/16/1984 |
| 4476553 | Method of determining the signatures of arrays of marine seismic sources In order to determine the signature of an array of n seismic sources 21 to 27, for instance marine seismic sources in the form of air guns, the array is actuated and the emitted pressure wave is measured at n independent points whose positions will respec... | 10/09/1984 |
| 4465094 | Compressed air distribution system An apparatus is provided wherein one air supply is used to supply compressed air for a plurality of multi-size seismic pulse generators.... | 08/14/1984 |
| 4463451 | System for seismic digital data acquisition over water covered areas A seismic data acquisition system for use in shallow water covered areas comprises a flotation device which serves also to house the electronic components; anchoring device with mechanical filter device to protect the anchor, so as to insure its maintaini... | 07/31/1984 |
| 4405036 | Seafloor velocity and amplitude measurement apparatus method The invention provides an apparatus (10) and method for measuring the velocity and amplitude of a pressure wave (310) from an acoustic pulse (300) through layers of sediment (140) located below the mudline (130) of the seafloor (120). The apparatus (10) i... | 09/20/1983 |
| 4396088 | Flexible marine seismic source The invention relates to a marine seismic source which emits an FM signal linearly increasing from 10 Hz to about 100 Hz. The source has a number of transducers which are flexible sleeves containing a pulsing hydraulic fluid.... | 08/02/1983 |
| 4372420 | Seismic exploration system Seismic exploration method in arctic regions involving the generation of a seismic disturbance in the water beneath the ice in areas where conventional marine and land exploration methods are functionally inadequate. Seismic disturbances are generated by ... | 02/08/1983 |
| 4353431 | Recoil reducing system for gas guns Disclosed herein are improvements in a recoil reducing system of a gas gun which create pulses in a liquid medium by introducing therein gas under high pressure. The release of high pressure gas from the barrel of such a gas gun causes recoil of the barre... | 10/12/1982 |
| 4210897 | Heave compensation system A heave compensation system for an underwater towed seismic system of the kind in which a body containing a sound source and hydrophones is towed behind a ship, and a recording is made of echoes from the bottom and sub-bottom layers. An accelerometer in t... | 07/01/1980 |
| 4160228 | Method and apparatus for testing marine seismic cables A marine seismic streamer to be tested is towed through the water in a fully deployed state past a lightweight, portable acoustic energy source submerged beneath a stationary float. The electrical output of multiple pressure transducers distributed along ... | 07/03/1979 |
| 4146871 | Determination of reflectivity and water depth for firing marine sources as an inverse distortion operator In marine seismic exploration, seismograms recording reflected energy generated from the firing of a seismic source are used to measure the characteristics of the medium through which the energy passes. These measurements are converted into control parame... | 03/27/1979 |
| 4141431 | Determination of firing times of acoustic pulses A marine gun for the production and timing of underwater pulses by the discharge of gas under pressure comprises a body having at least one port, means retaining the gas in said body under pressure and for allowing it to discharge through said port to pro... | 02/27/1979 |
| 4139074 | Seismic exploration system for ice covered areas Seismic exploration method in arctic regions involving the generation of a seismic disturbance in the water beneath the ice in areas where conventional marine and land exploration methods are functionally inadequate. Seismic disturbances are generated by ... | 02/13/1979 |
| 4138658 | Recording ocean bottom device, such as a seismograph A seismograph pickup for use at the bottom of the sea, comprises a detector, a frame, detachable ballast, and a sealed and water-tight container mounted on the frame. The container floats for bringing the pickup to the surface when the ballast is detached... | 02/06/1979 |
| 4091356 | Heave compensation system A heave compensation system for an underwater towed seismic system of the kind in which a body containing a sound source and hydrophones is towed behind a ship, and a recording is made of echoes from the bottom and sub-bottom layers. An accelerometer in t... | 05/23/1978 |
| 4064479 | Vertically directive arrays for marine seismic exploration A system for marine seismic exploration has arrays of sources and receivers which discriminate against horizontal traveling source-generated noise. Directive arrays of sources or receivers have a length which is longer than the wavelength of the lowest fr... | 12/20/1977 |
| 4047591 | Air gun monitoring and synchronizing method and apparatus Disclosed is an improved air gun construction which lends itself to use with a plurality or array of similarly improved air guns which enables easy synchronization and timing of such array of air guns relative to one another. The synchronization and timin... | 09/13/1977 |
| 4038630 | Airgun marine seismic survey streamer method and apparatus A method and apparatus for simultaneously towing and handling multiple airguns are disclosed for use in marine seismic surveying which provide for ease in handling large numbers of airguns and enable them to stream out at a desired depth behind a submerge... | 07/26/1977 |
| 4016952 | Marine gas exploder A pair of movable pistons are separated within an enclosed, submerged cylinder by an expansible combustion chamber. Piston rods extend from these pistons through the opposite ends of the cylinder. A pair of dish-shaped, circular plates are carried on the ... | 04/12/1977 |
| 4016951 | Air transportable seismic exploration system for use on ice-covered waters A seismic exploration system for use on ice-covered waters is disclosed. The system comprises a housing which contains equipment such as an engine, a compressor, means for boring holes in the ice, and acoustic signal generating means that can be lowered i... | 04/12/1977 |
| 4007804 | Apparatus for removal of condensation from a marine gas exploder device Condensate accumulating in the combustion chamber of a marine gas exploder of the cylinder and piston type is collected by gravity flow in a sump formed in a cylinder side wall or in a face of the piston, depending upon whether the cylinder is oriented ho... | 02/15/1977 |
| 4006795 | Means for seismic prospecting from bulk liquid carriers Apparatus for conducting seismic reflection surveys from oil tankers or other bulk liquid carriers in the course of their normal journeys. Seismic sources and detector apparatus are mounted in the ballast tanks. Pulse compression techniques may be used, a... | 02/08/1977 |
| 3937296 | Firing device, explosive charge, method, and system, for seismic exploration A firing device is provided for initiation of delay type seismic charge assemblies, which comprises means for conveying and guiding the charge assemblies, in the seismic test zone, into electrical initiation contact with one of any number of available pai... | 02/10/1976 |
