|
Match
|
Document |
Document Title |
|
|
7584711 |
Towable underwater craft
A towable underwater craft includes a main body contoured to support the rider in the prone position, a contoured leading edge, left and right arm guards, left and right independently actuated...
|
|
|
7527011 |
Propellerless scuba propulsion vehicle powered by compound piston motor joined to opposing water thrusters provides diver air without limiting dive time
Scuba tank compressed air can now power a dual piston compound motor driving dual water thrusters of a steady pulling underwater propulsion vehicle. Motor exhaust provides diver breathing air...
|
|
|
7487043 |
Relative positioning system
A relative positioning system enabling a user to return to a starting position or some other point on the user's path. The system may include an array of accelerometers. The output from the...
|
|
|
7448340 |
Diving device
The diving device is comprised of a hollow hull with a side profile which is rounded at the front and tapered at the back for low resistance in water. The hull includes side wings on opposite sides...
|
|
|
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...
|
|
|
7347158 |
Safety system for scuba divers operating underwater propulsion devices
A safety system for underwater propulsion devices operated by scuba divers includes sensors that detect the vertical velocity of the device. If the descent or ascent is greater than 60 feet per...
|
|
|
7329160 |
Motorized watercraft
A motorized watercraft with a hull of the craft on which a user lies prone, at least partially, or stands up, with a flow channel extending in the hull of the craft with an electric motor-driven...
|
|
|
7328669 |
Buoyancy-based, underwater propulsion system and method
An apparatus for underwater propulsion. The apparatus may include a hydrofoil, a buoyancy compensator connected to the hydrofoil, a tank containing air, and a controller regulating the passage of...
|
|
|
7270074 |
Diver propulsion system with separate battery and motor-transmission modules
A diver propulsion system includes separate battery and motor-transmission modules.
|
|
|
7258301 |
Personal propulsion device
The present invention provides a personal propulsion device including a body unit having a center of gravity, where the body unit includes a thrust assembly providing a main conduit in fluid...
|
|
|
7159528 |
Snorkel apparatus and methods of use
Disclosed is an apparatus and methods for a plurality of users to work and/or play underwater with a supply of breathable air. The breathable air is taken from the atmosphere above the surface of...
|
|
|
7152548 |
Boat with dive elevator
A boat comprises an elevator and a boat hull having a deck and defining a dive opening. The dive opening extends vertically from the deck to the water and defines an enclosed passageway having...
|
|
|
7124701 |
Propulsion system for scuba diver
Electric Propulsion system supported by a special usable harness slinging from scuba divers, deep-sea divers or simple swimmers, advantageously fed by a sophisticated system of rechargeable...
|
|
|
7096815 |
Underwater scooter
An underwater scooter including a main frame on which are disposed two air tanks serving as a saddle area for the operator, a depth adjusting mechanism disposed to the fore of the air tanks, and a...
|
|
|
7093554 |
Easy access power supply underwater motive device
An underwater motive device provides an integrated front cone and handle assembly with a mechanical link between the front cone and handle assembly to the main body of the unit which includes the...
|
|
|
7011035 |
Underwater scooter
An underwater scooter includes a watertight vessel enclosing an engine disposed in the fore part of a cylindrically shaped main frame, a propeller disposed in the aft area, and a driveshaft passes...
|
|
|
7004099 |
Hybrid-powered underwater scooter
An underwater scooter is provided with an engine enclosed in a watertight vessel and an electric motor enclosed in the watertight vessel and connected to the output shaft of the engine, and a...
|
|
|
7000559 |
Modularized underwater motive device
An underwater motive device provides an integrated and modular battery and motive housing which is carried within an outer housing and secured by a nose cone system. The nose cone system works...
|
|
|
6990919 |
Attachment to a sea scooter
The attachment to a sea scooter is a device that allows for safer, more stable use of a sea scooter. The central component of the attachment to a sea scooter is a clamp having a split ring to...
|
|
|
6976445 |
Submarine
A submarine is comprised of a hull with an external seat on top and a backrest behind the seat. A control column and a grab handle are positioned in front of the seat. External drive motors...
|
|
|
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...
|
|
|
6935912 |
Self-contained, emergency marker for attaching to, and selectively ascending from, a diver's buoyancy control device
A self-contained, emergency marker for attaching to, and selectively ascending from, a scuba diver's buoyancy control device. A buoy portion is contained in an enclosure and is selectively released...
|
|
|
6860770 |
Method and device for low-noise underwater propulsion and for reducing hull drag
A method and apparatus is disclosed for producing propulsion underwater with minimal acoustical emission. In basic concept, the method comprises the expulsion and sucking of liquid into and out of...
|
|
|
6823813 |
Leg-mounted propulsion device for swimmers and divers
An electric motorized propulsion system ( 10 ) for swimmers and divers ( 12 ) includes pair of leg-mounted propulsion units ( 14 ), each containing sealed electric motors ( 12 ), propellers ( 22 ),...
|
|
|
6789587 |
Method and apparatus for underwater tree cutting and retrieval
The invention relates to an apparatus and method for cutting submerged trees at an underwater logging site and for retrieving the cut trees. Once cut, each tree is retrieved to the water surface by...
|
|
|
6784559 |
Fluid pressure regulator assembly with dual axis electrical generator
A fluid pressure regulator assembly is provided for generating power from a pressurized fluid. A vane motor is coupled between a high-pressure fluid source and a regulator, to extract power from...
|
|
|
6749370 |
Buoyancy compensating jacket
A buoyancy compensating jacket is provided on a waist portion with a pocket having a first flap, a pouch having a flat cord adapted to be inserted into and taken out from the pocket with a weight...
|
|
|
6722819 |
Device for operating inflation and deflation valves of an air chamber of a scuba diver's balancing jacket
A device is provided for operating inflation and deflation valves of an air chamber of a scuba diver's balancing jacket. The device comprises inflation and deflation valves and a push-button for...
|
|
|
6694911 |
Enhanced display- underwater combat swim board
An underwater swim board enables diver navigation under conditions of zero visibility. A rectangular member has a timer, depth gauge, and compass on its topside to provide a visual indication of...
|
|
|
6670735 |
Weight release mechanism for underwater object
A weight release mechanism for an underwater object. Through a detachable latching mechanism between the underwater object and a heavy block and a set of control circuits, the underwater object may...
|
|
|
6665789 |
Surface or underwater dive vehicle
An electric motor for powering a submersible vehicle under water is disclosed. The motor has a housing with resilient seals for resisting the passage into the housing and motor of surrounding...
|
|
|
6647912 |
Underwater traveling craft
An under water vehicle pulls its user with a motor driven propeller at the front end with the user holding on to the vehicle and steering it from the rear end. The hollow vehicle body has inner and...
|
|
|
6615761 |
Swimmer transport device
A self-propelled underwater transport vehicle provides propulsion for one or more divers to allow submerged travel over extended distances. The vehicle has a cylindrical open hull supporting a deck...
|
|
|
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...
|
|
|
6606960 |
SCUBA diver fairing
A protective fairing encloses the head and torso of a SCUBA diver wearing diving equipment, with clearance throughout. A viewing shell section of the fairing covering the diver head is attached to...
|
|
|
6575114 |
Human controlled towable device for water surface and subsurface operation
A device for use in human controlled water surface and subsurface travel includes a towbar having first and second end portions. The device includes a first control member that is rotatably coupled...
|
|
|
6572422 |
Tail assembly for an underwater vehicle
An assembly for an underwater vehicle that includes a motor, a duct assembly, and an actuator. The duct assembly includes a duct and a propeller mounted within the duct, where the propeller is...
|
|
|
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...
|
|
|
6524145 |
Swimmer propulsion device
A swimmer propulsion device includes a harness with attached frame and resilient tail assembly. A foot-operated driver on the frame rotates and forces an apex member against the fluked tail...
|
|
|
6461204 |
Swimming assistance apparatus
A swimming assistance apparatus according to the present invention includes a base combined with a human body and a motor-driven pump provided in a base. The motor-driven pump has a water inlet and...
|
|
|
6375530 |
Whaletail swimming device
A flexible elongate support ( 1 ) communicating a singular pliable tailfin ( 2 ) at an end is made to flap by upward and downward force from a swimmer's legs and midsection, thereby propelling the...
|
|
|
6341993 |
Motorized swim fin
The present invention comprise a swim fin having an internal propulsion system, wherein the fin is secured to the wearer by a boot configured to surround the foot and ankle of the wearer resisting...
|
|
|
6319079 |
Amphibious robot mine locator
The amphibious robot mine locator may be used in water-based and land-based environments to locate mines and other hazards. In a water-based environment a diver controls movement of the amphibious...
|
|
|
6318284 |
Method and installation for carrying out operations under water with a crane on a fixed pontoon
Method for carrying out operations under water by means of a crane (3) equipped with a tool which is erected on a pontoon (1) which has been fixed and which can be jacked up, wherein an underwater...
|
|
|
6250977 |
Compressed-air-powered immersible prime mover providing impulse propulsion to pool cleaners, trolling boats, and scuba divers
An immersed prime mover device, typically of some few cubic inches or feet in volume, cyclically vents accumulated compressed air, typically 10-200 P.S.I. and more typically 90-110 P.S.I. derived...
|
|
|
6162106 |
Inflatable flag buoy workable in both the daytime and the night
An inflatable flag buoy for divers including a buoyant seat and a flag body in the form of two air chambers separated by a transparent interface. The buoyant seat is further divided into an upper...
|
|
|
6145462 |
Towable diver aid
A divers transportation assistance device includes a support platform pivotally mounted within a rigid linking frame. An included tow rope attachment assembly allows the device to be linked to a...
|
|
|
6079348 |
Diving apparatus and method for its production
A diving apparatus includes an elongated hollow body which can completely accommodate a human body extending in the longitudinal direction of the hollow body but which differs from the external...
|
|
|
6065419 |
Underwater dive vehicle
The underwater dive vehicle disclosed has a selectively energizable propulsion unit for forcible driving the vehicle through the water and at least one resilient gas filled buoyancy element which...
|
|
|
6033276 |
Personal water vehicle
A personal water vehicle (12) comprising a structure (14) for supporting a person (16) in a prone position above an upper surface of a body of water (18). A facility (20) is for steering the...
|