Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8127704 | Submersible vehicles and methods for transiting the same in a body of liquid A submersible vehicle for use in a body of liquid includes a vehicle body, a pair of fins coupled to the vehicle body on opposed sides thereof, and a dihedral angle control system. The dihedral angle control is system operative to vary a fin dihedral angle of each o... | 03/06/2012 |
| 7900571 | Buoy A buoy is provided with first and second fixed hydrodynamic surfaces (15,16). When the buoy is towed through water by a tether (17), the first hydrodynamic surface (15) generates a downward force that reduces with increased speed through the wat... | 03/08/2011 |
| 7793606 | Position controller for a towed array A position controller capable of controlling the depth or lateral position of a towed array. The position controller comprises a tubular fuselage from which a pair of wings may be extended over a range of sweep angles between fully open and stowed positions. In full... | 09/14/2010 |
| 7752988 | Towing device An apparatus for towing behind an underwater vehicle has a body and a yoke pivotally connected to the body at a pivot point and having a tether remote from the pivot point by which the apparatus us towed. The yoke has wings which generate a resultant force on the bo... | 07/13/2010 |
| 7469653 | Streamer connection system A connection system for connecting external devices to specified locations on a marine seismic streamer. Inner collars are clamped to the cable at specified locations along its length. Each inner collar forms a circular race encircling the cable. An outer collar att... | 12/30/2008 |
| 7469652 | Deflector devices A deflector device (22) for use with a tow lie between a towing vessel (10) and a tow (16) in water behind the vessel, the device comprising a principal wing-shaped body (28) shaped to produce in use a sideways force which urges the tow l... | 12/30/2008 |
| 7430979 | Method of transporting an elongate member The present invention provides a method for transporting an elongate member through water. The elongate member has a first end portion and a second end portion. The method comprises the steps of: adjusting the buoyancy of the elongate member to ensure that the elong... | 10/07/2008 |
| 7403448 | Streamer steering device orientation determination apparatus and methods Apparatus and methods for enhancing knowledge of the angle of attack of a streamer steering device are described, one apparatus comprising a seismic streamer having an orientation member including a body and at least one control surface; a sensor of the body adapted... | 07/22/2008 |
| 7353767 | Underwater recreation apparatus and method therefor An underwater recreation apparatus and method therefor. The apparatus allows a diver to explore varying water depths with a minimal amount of equipment and with manageable equipment. The apparatus also allows the diver to cover substantial distances with minimal phy... | 04/08/2008 |
| 7293520 | Control system for positioning of a marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 11/13/2007 |
| 7291936 | Submersible electrical power generating plant A self-supporting, submersible generating plant for producing electricity from ocean currents, consisting of two counter-rotating, rear-facing turbines with a plurality of rotor blades extending radially outward from two separate horizontal axis that convey the kine... | 11/06/2007 |
| 7267070 | Device for controlling steering of a towed underwater object A device for controlling steering of a towed underwater object, in particular a towed linear acoustic antenna. The device comprises a body having a longitudinal axis, the body being provided with a fastener for fastening it releasably to the towed object, and a plur... | 09/11/2007 |
| 7232166 | Variable wire rope brake assembly A hoist assembly and system capable of being adjusted prior to the lifting and transporting of the loads to accommodate infinite center of gravity changes on loads, such that no changes in position occur during the lifting and transporting process. ... | 06/19/2007 |
| 7222579 | Control system for positioning of marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 05/29/2007 |
| 7191836 | Dry tree subsea well communications apparatus and method using variable tension large offset risers Disclosed are compliant variable tension risers (106) to connect deep-water subsea wellheads (102) to a single floating platform (104). The variable tension risers (106) allow several subsea well-heads (102), in water depths from 4... | 03/20/2007 |
| 7167412 | Apparatus for steering a marine seismic streamer via controlled bending A marine seismic streamer steering device comprises at least two hinged sections pivotally coupled to each other and connected between two adjacent sections of the seismic streamer, and a bend control unit that controls bending of the hinged sections relative to the... | 01/23/2007 |
| 7156035 | Deflector devices A deflector for offsetting a streamer being towed by its lead-in by a seismic survey vessel comprises a wing-shaped body which is coupled to the lead-in and shaped to produce a sideways force which urges the lead-in laterally with respect to the direction of movemen... | 01/02/2007 |
| 7156036 | Launch and recovery system The launch and recovery system provides a dive wing and drogue assembly that is towed behind a ship by cables. The dive wing imparts a downward thrust to the drogue, so that the drogue is towed underwater, placing tension on the cables. The cables become stiff due t... | 01/02/2007 |
| 7128017 | Corrosion resistant connection system A corrosion resistant connection system including a base structure, a threaded orifice in the base structure, a seal about the threaded orifice and a threaded stud with a distal end, a proximal end, and an intermediate shoulder defining a sealing surface opposing a ... | 10/31/2006 |
| 7092315 | Device for laterally steering streamer cables A device and a method for laterally steering a streamer cable towed underwater behind a seismic survey vessel. The device includes a cable-steering assembly rotatably attached to a streamer cable. The assembly includes a body to which one or more wings are mounted. ... | 08/15/2006 |
| 7080607 | Seismic data acquisiton equipment control system A method of controlling a streamer positioning device configured to be attached to a marine seismic streamer and towed by a seismic survey vessel and having a wing and a wing motor for changing the orientation of the wing. The method includes the steps of: obtaining... | 07/25/2006 |
| 7044228 | Flowline jumper for subsea well A subsea well system has a flowline jumper that extends between components on the sea floor. The jumper has connectors on each end for connecting to the two components and has a curved portion. At least a portion of the jumper is buoyant to cause it to assume a vert... | 05/16/2006 |
| 7028631 | Gliding submersible transport system Embodiments of the present invention provide a gliding submersible transport system. Exemplary submersible gliders have wings capable of providing sufficiently high lift-to-drag ratios such that the submersible gliders of may be used for transporting large volumes o... | 04/18/2006 |
| 7013827 | Multipurpose underwater vehicle for carrying diverse payloads and method of using same An underwater vehicle includes an elongate body defining a longitudinal channel and having a waterproof interior with a processor operably connected to a memory in the interior, a payload holder in the channel for releasably securing a payload, and a communication p... | 03/21/2006 |
| 6985403 | Control device for controlling the position of a marine seismic streamer A control device (1) for controlling the position of a marine streamer comprising; an annular aerofoil (2), a mount (3) for mounting the annular aerofoil onto and around the streamer; and control means (4a, 4b) for co... | 01/10/2006 |
| 6962123 | Underwater maneuvering device An underwater maneuvering device is disclosed. It utilizes a horizontal planar member, a perpendicularly disposed fin member, hand grip portions, and a towing bridle, pulley and towline assembly that permit the device to freely change its angular alignment to the to... | 11/08/2005 |
| 6932017 | Control system for positioning of marine seismic streamers A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor for changing the orientation of the wing. The metho... | 08/23/2005 |
| 6928670 | Moving reef wave generator The invention relates to a wave generating system comprising a wave generator that travels along the surface of a body of water, and preferably in the middle thereof, wherein the wave generator can create both primary and secondary waves that travel toward the shore... | 08/16/2005 |
| 6904860 | Winglet for the trailing end of towed flexible underwater lines A winglet for mounting on a trailing end of a flexible line to be towed by an underwater vehicle includes an internal collar member for connection to an inside surface of the line at the trailing end thereof, an outer collar member for connection to an outside surfa... | 06/14/2005 |
| 6877453 | Deflector devices A deflector device for use with a tow line between a seismic survey vessel and a tow, in particular a streamer or streamer array, in the water behind the vessel comprises a vertically oriented wing-shaped body for producing a sideways force as it is towed through th... | 04/12/2005 |
| 6671223 | Control devices for controlling the position of a marine seismic streamer A control device or "bird" for controlling the position of a marine seismic streamer is provided with an elongate, partly flexible body which is designed to be electrically and mechanically connected in series with a streamer. In its preferred form, the b... | 12/30/2003 |
| 6612886 | In-line cable retriever A retriever is provided for a marine seismic cable or other tool. The retriever first comprises a housing. Disposed within the housing is a canister for containing gas under pressure. An inflatable bag is fluidly connected to the gas canister within the h... | 09/02/2003 |
| 6612254 | Towable underwater kite In a device for towing riders on or through the water it is known to have planar board(s) or wing(s). In this invention, there are two independently operated symmetrical wings hinged to wing supports. The fore mounted wing supports are secured to, and are... | 09/02/2003 |
| 6598554 | Submarine towed measuring system A towed vehicle for positioning a towed device about a submarine, comprising: (a) a housing having a wing for providing lift when said housing is towed through water; (b) means coupled between said submarine and said housing for towing said housing; and (... | 07/29/2003 |
| 6561116 | Towable sub-aqua device There is disclosed an improved sub-aqua device suitable for towing a person through the water. Specifically there is disclosed a sub-aqua device including: a support member; a pair of manoeuvring planes for manoeuvring the device, each defining an elevati... | 05/13/2003 |
| 6533627 | Method and apparatus for dynamically controlled buoyancy of towed arrays The present invention relates generally a method and apparatus for adjusting the buoyancy of towed seismic arrays comprising a plurality of streamers and specifically to the dynamic buoyancy control of the buoyancy of a towed array of streamers by means o... | 03/18/2003 |
| 6525992 | Devices for controlling the position of an underwater cable A device for controlling the position of an underwater cable comprises a body, first and second actuators, and a pair of wings. The body is stationarily mountable to the underwater cable and the first and second actuators are disposed in the body. Each wi... | 02/25/2003 |
| 6474255 | Arcuate-winged submersible vehicles Arcuate-winged submersible vehicles having improved hydrodynamic stability and maneuverability for use in, for example, underwater payload delivery and data acquisition. In one embodiment, a submersible vehicle includes a body having a pair of outwardly p... | 11/05/2002 |
| 6470246 | Method for controlling lateral position of an underwater towed body A method of controlling the lateral position of a towed body in water where the body is equipped with effectors for effecting at least aileron and rudder control. A lateral correction is defined by a distance measured perpendicular to the towed body's dir... | 10/22/2002 |
| 6459653 | Collapsible depth controller for mounting in relation to seismic cables or similar device Collapsible depth controller for mounting in relation to seismic cables or similar devices, comprising two wings, each being rotatably connected to a main body relative to a first axis of rotation perpendicular to the longitudinal direction of the depth c... | 10/01/2002 |
