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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 4457724 | Apparatus for driving a surfboard Apparatus for driving a surfboard comprising an internal combustion engine mounted on a box on rear portion of the surfboard and a water jet propelling device driven by the internal combustion engine for propelling the surfboard. The exhaust gas system an... | 07/03/1984 |
| 4437841 | Outboard jet drive steering mechanism A steering apparatus for an outboard jet engine utilizes a channel or conduit along the underside of a boat hull in combination with a channel or conduit extension member to guide water to the inlet port of the jet outboard propulsion apparatus, the botto... | 03/20/1984 |
| 4417877 | Water-jet drive mechanism for driving and controlling of particularly shallow-draught watercrafts A water-jet drive mechanism for driving and controlling a watercraft. A centrifugal water pump is encased in the support housing so that its inlet and its discharge nozzle open through the undersurface of the support housing. The pump drive shaft is incli... | 11/29/1983 |
| 4402674 | Air aspiration prevention pan An air aspiration prevention pan adapted to prevent aerated water from entering the intake of a water jet propulsion unit mounted in the hull of a water craft having low or zero dead rise characteristics or in a hull having sponsons or spaced apart skegs.... | 09/06/1983 |
| 4389197 | Water-going vessel A water-going vessel having a plurality of water intake turbines extendible and retractable in unison beneath the underside of the vessel. Hull construction pieces preferably comprise a plurality of hollow spheres sandwiched within containment walls, with... | 06/21/1983 |
| 4348976 | Diver tow compressor unit A floating vessel that is propelled through the water by means of a water pump towing a diver or divers to a desired location, and then converting to an air-pump that delivers air through hoses to divers below. The hull is of fiberglass construction, and ... | 09/14/1982 |
| 4348192 | Automatic pool cleaner A swimming pool cleaner of the random movement type having a surface transporter which rollingly engages the pool walls and a jet drive which reverses or changes direction when the transporter is stopped or slowed is provided with additional controls whic... | 09/07/1982 |
| 4334873 | Iceberg propulsion system A tabular iceberg is used as an energy source for a propulsion system which propels the iceberg across vast distances of the ocean with minimal fuel consumption. The iceberg thus becomes, in effect, a self-propelled vessel in which potential energy associ... | 06/15/1982 |
| 4316721 | Method for producing a thrust in manoeuvering engines for a watercraft and a manoeuvering engine constructed for the same The invention relates to a method for producing a thrust in manoeuvering engines for watercraft and a manoeuvering engine constructed for the same, whereby the method comprises the annular driving water jet supplied to the diffuser and enveloping a first ... | 02/23/1982 |
| 4283179 | Detachable jet propulsion unit for water craft and method of cyclic propulsion Disclosed is a detachable jet propulsion unit adapted to be externally mounted on the hull of a water craft. The propulsion unit comprises (a) a base, a first side of which is shaped to conform closely to the exterior of the hull of a water craft and whic... | 08/11/1981 |
| 4281995 | Automatic pool cleaners A water supply hose has one or more jets operable to maintain that part of the supply hose which is upstream from the jet in tension, the supply hose having its free end supported by a surface float. Another length of hose smaller in diameter extends from... | 08/04/1981 |
| 4276035 | Duct systems for water jet propulsion boats A water jet propelled boat hull having an axis of forward motion, a bottom and a centerline. A first and a second water duct are provided, each of which has an exit port discharging rearwardly, the exit ports being laterally spaced from the centerline and... | 06/30/1981 |
| 4246861 | Buoyant craft A buoyant craft, such as a boat or raft, propelled by a water jet thrust of high efficiency. Such thrust is provided by a wedge shaped chamber, such as one including a substantially flat plate pivotally mounted forwardly and on the underside of the craft ... | 01/27/1981 |
| 4242979 | Screw propeller with no shaft boss and ship thruster using such screw propeller A propeller with no shaft boss comprising a substantially cylindrical rotatable member and several propeller blades extending radially of the cylindrical member close to the center axis thereof, and a ship thruster system adapted with the propeller having... | 01/06/1981 |
| 4238928 | Hydraulic engine An improved hydraulic engine for boats and the like is provided which preferably includes a rearwardly facing concave impingement surface, along with nozzle apparatus for directing a stream of pressurized water against the impingement surface in order to ... | 12/16/1980 |
| 4237812 | Jet ski grating A jet ski has a hull, a motor mounted in the hull for driving a pump in an aft section of the hull, and a well formed in the bottom of the hull in front of an opening to the pump impeller. A grating which covers the well has a scoop below and in front of ... | 12/09/1980 |
| 4180882 | Lifesaving air boat A life boat adapted to be thrown out into a body of water from a mother boat for automatically forming a lifesaving air boat as a result of being thrown onto the water. The lifeboat structure includes a source of compressed air in the form of an air bomb ... | 01/01/1980 |
| 4158245 | Swimming device A swimming device has a body platform with straps for the arms and body of a swimmer. Cylinders extend longitudinally on the platform and are open at their forward ends and have restricted outlet nozzles in the rear. Pistons are slidably mounted in the cy... | 06/19/1979 |
| 4133284 | Cooling system for marine engines A cooling system for marine engines for use in propelling a boat and wherein the propulsion system provides a flow of water to the engine for cooling and wherein the water is provided at a range of pressures including a high pressure, the cooling system i... | 01/09/1979 |
| 4129089 | Marine propulsion apparatus A marine propulsion apparatus including a flexible, elongated plate, with a flexible tube attached to each side of the plate, or a flexible plate through which fluid can be passed. In use, the plate is cantilevered to a boat. When water is passed through ... | 12/12/1978 |
| 4115888 | Pool float propelling apparatus A carrier float is adapted to be propelled while floating in a pool of water. A manual control on the float operates control valves that control escape of propellant fluid from two outlets in such relation that forward propulsion and steering are achieved... | 09/26/1978 |
| 4100877 | Protective control system for water-jet propulsion systems A protective system is provided for water-jet propulsion systems in which water entering through an intake port is discharged in a jet by a pump. Unloading and overspeed of the pump prime mover may occur if the intake comes out of the water and this is pr... | 07/18/1978 |
| 4084536 | Safety control system for hydraulic jet turbines A safety control system for the prevention of undesired reactive thrust which may be produced from hydraulic jet turbines includes manually operated controls connected to the shutoff valve of a hydraulic jet venturi section and a switch operatively connec... | 04/18/1978 |
| 4057961 | Pulse-jet water propulsor A new heat engine in which liquid moves in a tube, one end of which is closed. The tube is heated at the closed end, and the liquid oscillates along the length of the tube. When the liquid interface enters the hot section, some of the interface vaporizes,... | 11/15/1977 |
| 4027407 | Jet flow alternator A jet flow alternator for reversing the flow of a confined fluid stream which includes selectively controlled tubes to cause said stream to flow in either one of two directions under pressure.... | 06/07/1977 |
| 4023353 | Multi-flow marine jet-propulsion apparatus An outboard marine propulsion apparatus has a rotor unit axially displaceable between forward and reverse operating positions. In the forward position, concentric horizontal paths through the apparatus are provided for rearward discharge of the propulsive... | 05/17/1977 |
| 4023581 | Automatic swimming pool cleaner A swimming pool cleaner is provided with a submergible disc-shaped transporter to which there is rotatably connected a drive jet. A flexible water supply hose provided with its own drive jet is connected to the drive jet for the transporter.... | 05/17/1977 |
| 4004542 | Waterjet propelled planing hull A boat for use with a waterjet propulsion unit. The boat includes a planing hull having a generally V-shaped bottom formed at its mid-portion with a depending flat-bottomed support pod that houses the lower part of the propulsion unit. The sides and inter... | 01/25/1977 |
| 3977353 | Jet powered marine propulsion unit A jet powered marine propulsion unit includes a pair of spaced parallel conduits extending longitudinally through a ship with intakes adjacent the bow of the ship. A tubular propeller is mounted in the conduits with blades extending inwardly toward the ax... | 08/31/1976 |
| 3968762 | Triple hybrid watercraft A watercraft combining the physical and hydrodynamic features of a catama, a hydrofoil, and a rigid sidewall air cushion vehicle that might be considered a triple hybrid (TRIBRID). The TRIBRID is intended to operate as a multi-modal vehicle in the approx... | 07/13/1976 |
| 3951094 | Gas-driven, pulsating water jet propulsive duct drive for watercraft The invention relates to a gas-driven pulsating water jet propulsive duct drive for watercraft with a propulsive duct which has at the front end an inlet aperture for water with a closure member closing and opening periodically by means of a drive device,... | 04/20/1976 |
| 3948206 | Jet powered watercraft A jet powered watercraft of motorcycle-like configuration. Longitudinally aligned front and rear skis are located in spaced relation below a hull and operate to hydrodynamically lift the watercraft to a cruise position by relative water flow upon the unde... | 04/06/1976 |
| 3939794 | Marine pump-jet propulsion system This invention relates to mechanically-actuated ahead-and-astern propulsion of marine vessels by means of a reversible hydraulic-jet ejector structure composed in part of oppositely-directed ejector stagings disposed centrally within a longitudinal open-c... | 02/24/1976 |
