U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

Newsletter  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.

 

Class 220/560.09 - Spherical or oblate container


Subclass of Class 220 - Receptacles
Definition: Subject matter wherein the container is in the shape of
No. of patents: 41
Last issue date: 03/18/2008


1    
NumberTitleIssue Date
7344045Container for holding a cryogenic fluid
A double-walled vacuum-insulated container for holding a cryogenic fluid comprises a support structure for supporting an inner vessel within an outer vessel. The container has an elongated horizontal axis. A conduit extending between the inner and outer vessels has ...
03/18/2008
7174841Method and an arrangement for reducing the weight and optimizing the longitudinal strength of a water-craft
A method and arrangement for reducing the weight and optimizing the longitudinal strength of a watercraft, which is especially suitable for transportation of liquefied natural gas (LNG) or other corresponding mediums and comprises a hull, which has a deck extending ...
02/13/2007
7165698Construction for multi-layered vacuum super insulated cryogenic tank
A construction for a multi-layered vacuum super insulated cryogenic tank and a method for making the same is disclosed. The cryogenic tank uses an inner tank that is wrapped with multiple layers of radiation shielding and is suspended within a frame by one or more s...
01/23/2007
7147124Containers and methods for containing pressurized fluids using reinforced fibers and methods for making such containers
Containers suitable for storing pressurized fluids at cryogenic temperatures of −62° C. (−80° F.) and colder are provided and comprise a self-supporting liner and load-bearing composite overwrap, whereby means are provided for substantially preventing failure ...
12/12/2006
7081185Purification apparatus provided with low heat conductive member
The object of this invention to provide an improved arrangement that enables to prevent adhesion of polymer on or around the inner wall of a purification apparatus directly equipped on the outer wall thereof with an attachment such as a support by suppressing local ...
07/25/2006
6971537Support arrangement for semi-membrane tank walls
In the support arrangements for a semi-membrane tank walls described in the specification, the top and side walls of a semi-membrane tank are provided with stiffener members and a surrounding tank support structure has support members which are connected to the stif...
12/06/2005
6716503Reinforced thermoplastic storage vessel manufacture
A method is disclosed for reinforcement of thin wall hollow thermoplastic storage vessels with one or more wraps of continuous fibers. This method requires thermal bonding between the reinforcement fibers and the outer surface of the thermoplastic storage vessel whi...
04/06/2004
5263603Insulation system for storage tanks
An insulating system for storage tanks uses vertical straps and horizontal cables to form a web on the outer surface of a spherical storage tank. Fasteners and clamps positioned at intervals along the vertical straps anchor the cables in place. Panel sect...
11/23/1993
4964524Pressure vessel for hydrogen storage
A pressure vessel for the storage of hydrogen in form of metal hydride is constructed to have an inner tube being relatively thin and made of material copper or aluminum having high thermal conductivity, but the strength of the inner vessel tube is insuff...
10/23/1990
4714094Gas-oil pressure accumulator
A gas-oil pressure accumulator having a load-bearing structure of composite material, suitable for aircraft hydraulic circuits. The accumulator is formed of a cylindrical body with closed ends, at least one of which is composed of a convex cap. A piston s...
12/22/1987
4699288High pressure vessel construction
A high pressure vessel construction in the form of an elongate tank includes a plurality of layers of resin impregnated graphite fibers and a plurality of layers of a hybrid of resin impregnated glass and polymer fibers, with the glass and polymer fiber l...
10/13/1987
4589562Structures reinforced by a composite material
Structures, such as pressure vessels or pipes, for the storage and transportation of fluids under pressure are wrapped with a composite material including a high-strength unidirectional filament material in a matrix of a flexibilized isophthalic polyester...
05/20/1986
4566609Composite tankage arrangement for liquid fuel expulsion
A composite packaging arrangement for dispensing a liquid monopropellant l comprising a first inner tank that is made of composite materials and a second and outer tank that has a dome structure at one end that is made of epoxy material that is bonded to...
01/28/1986
4561568Liquid fuel expulsion system
An explusion system in which an inner tank is nested within a second and er tank to provide a very compact and space saving arrangement for an expulsion system for a rocket with the first and inner tank as well as the second and outer tank being reinforc...
12/31/1985
4509657Insulation embodiment in a wedge-shaped space between two structural members
In an insulated spherical tank for containing liquefied gas, said tank comprising a support in the form of a vertical, partially thermally-insulated skirt which forms a unified structure with the tank wall, wherein the insulation in the wedge-shaped regio...
04/09/1985
4469236Storage vessel support device
A support device for a heavy horizontal storage vessel having convex ends and walls which are thin in relation to its diameter comprises, at each end of the vessel, a short annular stiffener (8) coaxial with the end. It is of sufficient diameter to distri...
09/04/1984
4382524Spherical tank supported by a vertical skirt
A spherical tank is supported by a vertical skirt extending from the tank equator down to a foundation. An enclosed space defined by the spherical tank, the skirt and the foundation is made pressure tight and is connected to a pressure-regulating system, ...
05/10/1983
4374478Storage tanks for liquids
The invention relates to tanks for the storage of liquid and has particular application to the land storage of liquefied gas at low temperature at or above atmospheric pressure. Thus, the invention provides a storage tank of the kind in which the walls ar...
02/22/1983
4369894Filament wound vessels
A filament wound pressure vessel is disclosed and has a spherical shape including a polar opening with a fitting disposed in the opening and protruding therefrom. A plurality of layers of filaments are wound about the polar fitting. Each layer comprises a...
01/25/1983
4343413Double-wall vessel especially Dewar flasks, with wall spacer
A double-wall vessel has its inner walls spaced from the outer wall by a plurality of insulating spacers, each of which includes a thread stud affixed to one of the walls and reaching toward the other, the length of the stud being greater than the spacing...
08/10/1982
4205047Tubular apparatus for conducting gases
An inner cylindrical shell assembly includes a metal cylinder with the wall thereof divided along at least one but typically a plurality of longitudinal parting lines. A stress compensator tube extends along each parting line and is welded to the edge sur...
05/27/1980
4184609Cryogenic container compound suspension strap
The present invention is directed to a support structure formed from a compound strap consisting of two or more links of different thicknesses. More particularly, the compound strap includes a thinner link which is connected to the cool end of the inner s...
01/22/1980
4182254Tanks for the storage and transport of fluid media under pressure
A tank for the transport or storage of liquified natural gas under pressure is of generally rectangular form and has its side, top and bottom walls each composed of a series of parallel lobes of part-spherical cross-section and of say, 3.0 to 4.0 meters c...
01/08/1980
4140073Thermal barrier system for liquefied gas tank
Heat barrier components and improved thermal insulation techniques are provided for an external tank insulation system of ships carrying liquefied natural gas, propane, ammonia, etc. Reduction of liquid boil-off rate or initial cost of insulation through ...
02/20/1979
4129146Liquefied gas tank and method of filling
A liquefied gas tank having thermal insulation in association with a fluidtight body. A liquid supply line terminates at a location within the upper half of said vessel and discharges into a vertical draft-tube which is in fluid communication with the ull...
12/12/1978
4127079Support device for ship-carried independent tank
A support device for an independent tank, wherein a first support member secured to the tank is adapted to be supported on the top surface of a second support member attached to a ship's hold. Particularly in the case of a spherical tank, a horizontal rin...
11/28/1978
4126099Ship with flat bottom tank and shrink-fit system for lateral support
In combination, a ship having a hold, a tank which expands and contracts in the hold for transporting a liquefied gas, the tank comprising a metal shell having a substantially flat metal bottom portion supported by load bearing insulation on the ship hold...
11/21/1978
4105061Pressure vessels
A process for storing materials under predetermined positive or negative pressure comprising inserting and sealing a fragile storage container within a gas-tight outer container capable of withstanding a pressure differential on opposite sides of its wall...
08/08/1978
4089285Secondary barrier construction for vessels carrying spherical low temperature liquified gas storage tanks
A secondary insulating barrier for protecting the hold of a ship below a spherical low temperature liquified gas storage tank installed therein comprises at least two layers of rigid foam synthetic resin sprayed on the hold plates and covered by a layer o...
05/16/1978
4087017Heat insulating device for low temperature liquified gas storage tanks
A heat insulating construction for the outer wall of a low temperature liquified gas storage tank comprising a number of blocks or plates of rigid foam insulating material bonded to the outer wall, with seats for receiving pressing jigs for the bonding op...
05/02/1978
4086864Support device for ship-carried independent tank
A support device for an independent tank, wherein a first support member secured to the tank is adapted to be supported on the top surface of a second support member attached to a ship's hold. Particularly in the case of a spherical tank, a horizontal rin...
05/02/1978
4050609Heat insulating device for low temperature liquified gas storage tanks
An insulating construction for a low temperature liquified gas storage tank consists of a plurality of heat insulating blocks or plates of rigid foam, each covered with a gas-tight sheet bonded thereto and each bolted at its approximate center to the oute...
09/27/1977
4050607Insulation of vessels having curved surfaces
Large vessels such as tanks and the like are insulated by means of a spiral generation process thereby providing rapid application of the insulation with minimal labor. The process is particularly suited for operation in confined quarters....
09/27/1977
4039297Heat insulating particles
The present invention relates to improved heat insulating particles with a high heat insulating effect and high mechanical strength. The particles are smooth cells formed around hollow or solid grains of a low heat-conducting material such as silica, alum...
08/02/1977
4011964Equatorial profile for large spherical tanks
A spherical tank has at the equatorial plane a projection for cooperation with a supporting skirt, the projection and adjoining components forming a groove with a rounded bottom, the groove bottom area having a cross-section with neutral axes deflected to...
03/15/1977
4000826Cryogenic transport
A structural tank for carrying cold fluids includes a cylindrical portion and hemispherical heads. The tank is horizontally structurally supported by the heads. The cylindrical portion carries an outside vacuum insulation shell and a vacuum insulation she...
01/04/1977
4000711Tank supporting structure for ships
A low temperature liquified gas storage tank is supported in the hull of a ship by a plurality of chocks secured to and spaced peripherally around the tank and by chock engaging members carried by the ship's hull. Pressure resistant heat insulating pads d...
01/04/1977
3984994Process and device for filling multilayer pressure containers
Process for filling multilayer pressure containers with cold liquids below -10°C. comprises steps of cooling container from outside thereof inwardly to temperature that approximately corresponds to temperature of liquid to be filled. After such cooling t...
10/12/1976
3968764Ships for transport of liquefied gases
A ship having large, internally insulated, self-supporting spherical tanks for transport of liquefied gases is described. Different insulation materials are presented. Control systems for the insulation is provided. Also a method for applying the insulati...
07/13/1976
3944106Storage tank
A storage tank having a unique geometric shape and adapted to contain a liquid or a compressed gas at pressures above atmospheric pressure. The tank can be made of special materials for low temperature applications. The weight of the tank and its contents...
03/16/1976
1    
 
Sign InRegister
Username  
Password   
forgot password?