Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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 |
| 7377357 | Marine seismic acquisition method and apparatus A marine seismic source method capable of retaining low frequencies is disclosed. One embodiment of the method comprises a seismic source that generates an up-going wave and first down-going wave with opposite polarity. The up-going wave reflects off the ocean surfa... | 05/27/2008 |
| 7359282 | Methods and apparatus of source control for borehole seismic A method and apparatus for controlling seismic sources. The method and apparatus enable firing of a seismic sources at either a precise time or a precise position of the seismic source. Controlling the firing of the seismic source facilitates more accurate seismic d... | 04/15/2008 |
| 7339852 | Seismic acquisition system A seismic acquisition system comprising a remote-controlled buoy for conducting seismic acquisition operations. The buoy comprises an operating system for operating a seismic wave production device on the buoy, a placement system, a communications system, and dynami... | 03/04/2008 |
| 7228934 | Acoustic generator for distance sounding with a firing mechanism independent of the pressure equilibration force In the oil industry, the acoustic sounding method is a well-known technique for taking the depth measurements of particular attributes of an oil well or borehole. The method involves sending a short, sharp, clear, loud bang sound down a borehole, normally between th... | 06/12/2007 |
| 7218572 | Method of seismic source monitoring using modeled source signatures with calibration functions Physical parameters are measured for an array of seismic sources, preferably for each activation of the seismic sources. Calibration functions are obtained and the measured physical parameters and calibration functions are applied to a model, which generates a calib... | 05/15/2007 |
| 7210556 | Method and apparatus for installing a sensor array An apparatus and method is provided for transporting, installing, retrieving, and replacing a sensor array of individual sensor pods at a geographically remote location, such as on the sea floor. The apparatus consists of a remotely operated vehicle (ROV), a carouse... | 05/01/2007 |
| 7042803 | Marine seismic source towing apparatus and method A marine acoustic source system has relativley densely packed energy sources arrayed in a tandem-like fashion along a horizontal plane. Preferably, a longitudinal axis of each source lies orthogonal to a pre-determined towing direction. The system includes protectiv... | 05/09/2006 |
| 7028807 | Non-explosive acoustic source A non-explosive acoustic source utilizes the combustion of aluminum and water to generate an acoustic pulse. The operation of the non-explosive acoustic source relies on a water/aluminum reaction to generate a burst pressure. The source may be deployed as a single c... | 04/18/2006 |
| 6961284 | Source array for use in marine seismic exploration A staggered vertical marine seismic source contains upper and lower arrays (10, 11) of emitters of seismic energy (S11, S12; S21, S22). The upper array (10) is horizontally displaced relative to the lower array (11). The source is used in a mari... | 11/01/2005 |
| 6951262 | Method and apparatus for suppressing waves in a borehole Methods and apparatus for suppression of wave energy within a fluid-filled borehole using a low pressure acoustic barrier. In one embodiment, a flexible diaphragm type device is configured as an open bottomed tubular structure for disposition in a borehole to be fil... | 10/04/2005 |
| 6932185 | Acquisition method and device for seismic exploration of a geologic formation by permanent receivers set on the sea bottom A method and device for seismic exploration of a subsea geologic formation by pickups set on the sea bottom and intermittently connectable to active data acquisition stations (11) brought nearby. Permanent passive reception stations (1) comprising a he... | 08/23/2005 |
| 6814180 | Monopole-driven underwater sound source An underwater sound source which comprises a housing having an inner and an outer surface and a monopole driver suspended within the center of the housing. The housing is adapted to receive fluid therein to form a fluid column inside the housing. The underwater soun... | 11/09/2004 |
| 6612396 | Controlled-polarization marine seismic shear-wave source Controlled-polarization marine seismic shear-wave source has a base suitable for positioning on a seafloor, beneath a water body. Twin water-blast tubes (seismic-impulse-generation thrusters) are mounted on the base, aimed upwardly, outwardly in opposite ... | 09/02/2003 |
| 6571906 | Underwater sound mitigation system for explosive testing A sound mitigation system and method reduce the transmission of acoustic output from explosions underwater. The system is submerged to bottom terrain of a body of water and has at a series of gas-generating devices providing volumes of gas that are fed to... | 06/03/2003 |
| 6510270 | Sub-oceanic cable network system and method A cable system for installation on the ocean floor or under another body of water includes a plurality of sub-sea junction boxes installed at spaced locations throughout a predetermined sub-oceanic cable network. At least some of the junction boxes are lo... | 01/21/2003 |
| 6260657 | Seismic pulse generator A seismic pulse generator (1) has a chamber (4) pressurised with gas. The generator includes a solenoid valve (60) which can be actuated to cause the release to atmosphere of only a small amount of pressurised gas from a small control chamber (34) behind ... | 07/17/2001 |
| 6144618 | Seismic cable boot and hydrophone retainer A molded protective body member for seismic cable hydrophone and geophone sensors and their cable splice connections from underwater obstructions and pay-out and retrieval apparatus. The body member is a one piece polymeric member having interior cavities... | 11/07/2000 |
| 5632659 | Combustion chamber drain system An apparatus for quickly and virtually complete purging of seawater from combustion chambers of an outboard engine that has been submerged or a submersible outboard engine. A poppet valve is incorporated in the combustion chamber portion of the engine h... | 05/27/1997 |
| 5341343 | Underwater explosive acoustic signature device An explosive actuated acoustic device emits sound to be used in torpedo countermeasures. Numbered devices are delivered over an extended area and sink through the water. The devices are actuated at different times as they sink, to provide sound masking ov... | 08/23/1994 |
| 5339288 | Underwater sound source with remote controlled actuator An underwater sound source with a remote controlled actuator comprising a oy having a buoyant portion, a plurality of launch tubes storing acoustic charges, a radio transceiver, control circuitry, hinged doors at the bottom of the tubes, and a safety rele... | 08/16/1994 |
| 5247486 | Method for determining the far-field signature of a plurality of seismic sources A method for determining a far-field signature FF(t) of a plurality of N seismic sources Si (i=1, . . . , N) comprises a stage of measuring a near-field signature NFi(t) of each seismic source Si. In a preliminary stage an initial near-field signature NFi... | 09/21/1993 |
| 5229977 | Directional underwater acoustic pulse source A closed-cycle combustion low-frequency acoustic pulse source for use underwater. An elongated combustion chamber, having a first end and a second end and an elongated elastic sleeve, is filled with a stoichiometric mixture of oxygen and hydrogen from an ... | 07/20/1993 |
| 5183966 | Termination assembly with improved waterblock A termination assembly is disclosed providing a substantially watertight, yet field serviceable interface to a plurality of electrical splices. The termination assembly includes a housing having an anchor portion for receiving and fixing a multi-transmiss... | 02/02/1993 |
| 5105801 | Method and apparatus for improving the reproducibility and efficiency of the pressure waves generated by a shock wave generating apparatus The present invention relates to a method and device for discharging an electric current between two electrodes, comprising considerably reducing the resistance to the passage of electric current at least between the electrodes so as to bring it to a resi... | 04/21/1992 |
| 5091891 | Seismic pulse generation A seismic pulse generator comprises a body 1 having an internal gas-pressurizable first chamber 2 adjoining a second chamber 6 for containing a fluid. A flap valve member 21 is rotatable about a pivot axis for closing a bore 24 communicating with the firs... | 02/25/1992 |
| 4956822 | Method and apparatus for seismic exploration A towable marine seismic source apparatus for producing a high resolution seismic signal at relatively shallow depths for engineering surveys is disclosed. The apparatus support frame operably mounts a plurality of eight identical chambered air guns in a ... | 09/11/1990 |
| 4908801 | Real-time simulation of the far-field signature of a seismic sound source array A method for extrapolating the far field signature of a seismic sound source array from near field measurements, by taking into consideration, the instantaneous firing and environmental parameters that exist locally for each individual sound source in the... | 03/13/1990 |
| 4868794 | Method of accumulation data for use in determining the signatures of arrays of marine seismic sources In order to accumulate data from which the signature of an array of n interacting seismic sources 21 to 27, for instance marine seismic sources in the form of air guns, can be determined, the array is actuated and the emitted pressure wave is measured at ... | 09/19/1989 |
| 4764906 | Plasma jet underwater acoustic source A novel device and method are provided herein for the production of underwater sound. This device, termed a plasma jet underwater acoustic source includes a central electrode and a concentric insulator having a longitudinal bore to accommodate the central... | 08/16/1988 |
| 4735281 | Internal bubble-suppression method and apparatus The novel method substantially reduces the pressure pulse generated by an implosion of a cavity within a body of water by aborting the implosion. The abortion of the implosion is produced by generating within the cavity an explosion at the instant that th... | 04/05/1988 |
| 4733382 | Pneumatically-operated liquid slug projector apparatus The liquid slug projector apparatus is entirely pneumatically operated. It comprises a generator having a main housing whose main port fluidly communicates with a liquid body. A first shuttle and a second shuttle are slidably mounted inside the main housi... | 03/22/1988 |
| 4719987 | Bi-planar pontoon paravane seismic source system A bi-planar pontoon paravane is towed by a marine vessel and controls the depth and position of a towed seismic source array. The bi-planar pontoon paravane is made up of a buoyant bridge with right and left wings attached to the long sides of the bridge,... | 01/19/1988 |
| 4716553 | Float for use in seismic surveys of the sea bed A float for use in seismic surveys of the sea bed supports a plurality of seismic pulse transmitters (6) which are suspended on lines (7) beneath the float (1). At a distance from the front end of the float (1), on one sidewall thereof, a fastening device... | 12/29/1987 |
| 4713800 | Seismic air gun A seismic air gun has a passage between the stem of its shuttle and a baffle, whereby ambient pressure can reach the back of the operating piston. The gun is fired by dumping a small quantity of pressure air from the operating chamber via a solenoid valve... | 12/15/1987 |
| 4712202 | Method and apparatus for converting an air gun into a hydro gun for marine seismic impulse generation A marine air gun is advantageously converted into a hydro gun by substitution of two clamp rings and by convenient addition of various parts, allowing normal air gun firing by triggering with usual solenoid valve. In a presently preferred embodiment, a no... | 12/08/1987 |
| 4667766 | Seismic pulse generator A seismic acoustic source for generating acoustic pulses in both solid rock and sedimentary layers on land and in both water, rock and sedimentary layers at sea comprises: two chambers; a high pressure chamber and a low pressure chamber communicating but ... | 05/26/1987 |
| 4658384 | Method for determining the far-field signature of an air gun array The far-field pressure signature of an air-gun array is derived from near-field measurements. An array of air guns is deployed in the water at a desired depth. A hydrophone is suspended in the middle of the array at the same depth so that the guns are equ... | 04/14/1987 |
| 4648479 | Multiple-port, multiple-chamber, tuned air-powered subsea seismic source The invention is a multi-port, multi-chamber, tuned, air-powered subsea seismic source. It is suitable for producing a seismic wave in a subsea environment during seismic prospecting. Interconnected pressurized chambers are formed between plates located o... | 03/10/1987 |
| 4648080 | Method for determining the far field signature of a marine seismic source from near-field measurements A method for obtaining far-field signatures of marine source arrays by the downward continuation of near-field data recorded along a short signature streamer of closely spaced hydrophones, located beneath the array. This method has several advantages over... | 03/03/1987 |
| 4644507 | Scaling of sound source signatures in underwater seismic exploration The invention relates to a method of determining the location in the earth of sub-surface boundaries and/or the acoustic properties of sub-surface features substantially in the absence of the far field source wavelet and noise and with errors due to refle... | 02/17/1987 |
