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| Number | Title | Issue Date |
| 4597355 | Folding semi-rigid inflatable boat According to the invention, a folding, semi-rigid inflatable boat has a rigid hull portion with a rigid bow half and rigid stern half connected by a transverse hinge. The hull portion has a top extending from the bow along opposite sides of the boat to th... | 07/01/1986 |
| 4573933 | Floating search and rescue inflatable pyramid A pyramid constructed of upstanding inflatable beam members extending from an inflatable base upwardly to an apex. The inflatable base carries an integral sea anchor depending therefrom, comprising an inflatable cross tube carrying a depending inflatable ... | 03/04/1986 |
| 4565732 | Vinyl chloride polymer laminate A laminate comprises fused adherent layers of plastisol vinyl chloride polymer resins in which a first layer contains Sb2 O3 and a second layer contains TiO2. The flexible laminate is useful as a roofing membrane for the r... | 01/21/1986 |
| 4547919 | Inflatable article with reforming and reinforcing structure An inflatable article, having a pair of gas impervious sheets which are heat welded together at their edges to form an envelope and are provided with parallelly spaced apart longitudinal first seams to define a plurality of air compartments between the pa... | 10/22/1985 |
| 4545319 | Pneumatic boats of the inflatable-deflatable type The invention relates to a pneumatic boat of the inflatable-deflatable type capable of being propelled by a motor and comprising at least one inflatable member forming two parallel or substantially parallel arms joined at the front to form a stem-post and... | 10/08/1985 |
| 4519782 | Escape slide and life raft An escape slide and life raft assembly for evacuating personnel from an aircraft or other elevated place and thereafter providing a floating support when the evacuation is on water. A slide portion of the assembly has side tubes connected to transverse an... | 05/28/1985 |
| 4517914 | Inflatable reversible liferaft An inflatable, reversible liferaft designed to carry several persons and having an integral reserve buoyancy compartment which may be inflated at the discretion of the passengers in an emergency.... | 05/21/1985 |
| 4516944 | Expansion type life-saving raft An expansion type life-saving raft, in which the life saving raft is folded with the awning thereof being placed inside when it is housed in a container, after which fitting members are fixedly provided at opposite positions on the outer peripheral part o... | 05/14/1985 |
| 4466145 | Stretcher A compact and portable stretcher has a rigid body board long enough and wide enough to support a supine human body. It is overlaid with an inflatable mattress and may be flanked by inflatable buoyancy tubes. The body board is preferably made up from a number o... | 08/21/1984 |
| 4462331 | Inflatable bottom construction for inflatable boat An inflatable bottom structure in an inflatable boat avoids blisters in the xposed, heavy duty outer walls of superimposed upper and lower inflatable floors by a composite wall construction wherein an outer layer of synthetic rubber material, in which a he... | 07/31/1984 |
| 4460343 | Inflatable container packing system The container (12) has an inflation opening (46) which is closed by a valve (56) with seals (66) compressed by spring (90) pressure during the packing process. Air is removed from the container (12) for deflation by a vacuum pump (20) and excessive vacuum... | 07/17/1984 |
| 4449473 | Inflatable boat with demountable transom An inflatable boat having parallel side sponsons joined by a floor and hag a rigid keelson member includes a demountable transom capable of supporting an outboard motor. The transom is characterized by a motor mount pad connected to the keelson and havin... | 05/22/1984 |
| 4389961 | Self-collapsible, inflatable device A self-collapsible, inflatable device consists of a sheet made of a thermoplastic material having a memory set such that it forms into a coil when unrestrained and at least one inflatable member, semi-rigid when inflated and capable of being coiled when d... | 06/28/1983 |
| 4366963 | Convertible inflated play vehicle A convertible play vehicle comprising an inflatable flotation ring encircling an integral reinforced, load-bearing platform that lies mid-way of the height of the flotation ring and has spaced openings near the circumference thereof that may serve as hand... | 01/04/1983 |
| 4364734 | Inflatable marine craft having improved towing characteristics One or more vanes of a rigid or flexible material are attached to the underside of a liferaft or other towable marine craft. The vane or vanes are suspended from the craft at an angle of 90° or less relative to the direction of towing.... | 12/21/1982 |
| 4348779 | Inflatable boat with additional inflatable elements compensating for loss in buoyancy This inflatable boat comprising at least one hull consisting of at least first and second elements disposed side by side, inflatable separately, and one or a plurality of additional elements inflatable separately and adapted to support one or a plurality ... | 09/14/1982 |
| 4347635 | Stretcher and litter combination A stretcher and litter combination, including a buoyant raft-like structure adapted for use as a rescue or recovery litter, and a buoyant stretcher. The litter has pontoons on either side of an elongated body section. The stretcher is in the form of an el... | 09/07/1982 |
| 4340626 | Diffusion pumping apparatus self-inflating device An elastomeric enclosure is initially inflated to a desired pressure by a gas having large molecules incapable of diffusing outwardly from the enclosure, except at a relatively slow rate. When the enclosure is surrounded by ambient air at atmospheric pres... | 07/20/1982 |
| 4332049 | Escape slide and protective shield An escape slide for evacuating personnel from an aircraft or other elevated place where there is the possibility of damage to the slide from fire or abrasion during the deployment and evacuation process. A protective shield of flexible material having a m... | 06/01/1982 |
| 4329751 | Inflatable boat An inflatable boat has a pair of elongated inflatable side portions extending lengthwise of the boat, disposed within an envelope that can be opened and closed by longitudinally-extending openings on its outer side, to permit insertion and removal of infl... | 05/18/1982 |
| 4312484 | Inflatable flow control A flow control is provided between an inflatable and a smaller inflatable log which positions the inflatable with respect to the craft to which it is affixed. The flow control permits the inflation of the positioning log through the inflatable but restric... | 01/26/1982 |
| 4223415 | Waterborne life-saving apparatus An apparatus according to the above title comprising a buoyant raft spacedly surrounded by and connected to a buoyant ring from the periphery of which depends a water-containable bag forming a shark screen about the raft, and additionally such raft in whi... | 09/23/1980 |
| 4216559 | Life raft having a toroidal water ballast chamber A life raft, having a floor joined at its periphery to a flotation member, is formed with a flexibly-walled, depending, correspondingly water ballast chamber generally parallel and contiguous to the flotation member. The chamber may be compartmented for r... | 08/12/1980 |
| 4127909 | Inflatable raft construction and method A construction for inflatable rafts and the like wherein two inflatable tubes are joined together approximately at right angles, the end of the first tube being joined to the side of the second tube. Both tubes are maintained integral in themselves except... | 12/05/1978 |
| 4083070 | Inflatable liferafts of thermoplastic material and methods for their manufacture A method of making an inflatable liferaft from thermoplastic sheet material, wherein the thermoplastic sheet material which is to form a floor of the liferaft is heat welded around the periphery of the floor to the thermoplastic sheet material which is to... | 04/11/1978 |
| 4033002 | Life saving equipment for vessels Lifesaving apparatus for vessels in the form of a buoy releaseably carried by a vessel in a manner so as to float free if the vessel sinks while remaining attached to the vessel by a cable held on a reel on the buoy and having its outer end connected to t... | 07/05/1977 |
| 4022187 | Floating solar heater for swimming pools A solar heating apparatus is disclosed herein useful as a swimming pool cover whereby the sun's rays can penetrate the apparatus and heat the water therebeneath. The apparatus includes a plurality of individual and separate units of a predetermined geomet... | 05/10/1977 |
| 3995339 | Transition piece for use in inflatable life rafts A transition piece for use in the generally perpendicular joinder of the tubular components of an inflatable life raft is provided and comprises a generally tubular body portion terminating at one extremity in an integral, generally circular attachment fl... | 12/07/1976 |
| 3950804 | Collapsible raft A collapsible raft includes opposed hinged rigid hull and deck members joined by a flexible watertight skirt and surrounded by a peripheral inflatable tube. The hinge plates interconnecting the hull and deck may be selectively locked in an open condition.... | 04/20/1976 |
