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

Icon_funbox Bizarre Patents

Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

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 220/232 - Having inflatable gasket or packing


Subclass of Class 220 - Receptacles
Definition: Device including seal means positioned at the juncture of
No. of patents: 47
Last issue date: 04/10/2007


1    
NumberTitleIssue Date
7200974Lidless vacuum appliance
A lidless vacuum packaging appliance whereby the number of movable parts is reduced is disclosed. A lidless appliance effectively reduces wear and tear of the appliance. Further, the lidless design allows for convenient placement in the operational environment of th...
04/10/2007
6942224Inflatable seal
An inflatable seal member for providing a fluid-tight seal. The inflatable seal member is particularly well suited to sealing a processing chamber having pressurized fluids therein. Outward forces (exerted by air pressure) to the inner surfaces of the seal member co...
09/13/2005
6390145Container and method for sealing the container
A clean box has a container including a container body opened at one surface and a lid for closing the opening of the container body. An annular groove is formed in at least one of the container body and the lid so as to surround the opening. An elastic s...
05/21/2002
6206227Closure assembly for pressure vessel
A closure assembly for a pressure vessel having an opening in the external surface thereof, comprising a concentric guide track secured to the external surface of the pressure vessel, a curved concentric closure or door configured to conform to the curvat...
03/27/2001
6048493Sterilizable passageway
A sterilizable passageway for a sterilizable enclosure which includes an enclosure having an outer wall, which has a passageway therethrough. A collar lines a periphery of the passageway, the collar having a sealing surface and a heated surface. A heater ...
04/11/2000
5851492Microtiter plate sealing system
An apparatus for sealing and maintaining a desired temperature of a sample holder includes a non-deformable support, a deformable diaphragm secured to the lower surface of the support and a thermal regulable heater in thermal connection with the diaphragm...
12/22/1998
5615859Sterilizable valve assembly
A valve assembly structure and method for sterilizing multiple environments or containers, such as an isolation barrier and a tank. The valve assembly structure comprises a cylindrical housing with an inner chamber having a first and second opening. The v...
04/01/1997
5567048Apparatus and method for injecting dry particulate material in a fluid flow line
An apparatus and method for sealing a flexible bag (54B) containing dry particulate material within a hopper (25B) for dispensing of the dry particulate material from the hopper (25B) through a lower discharge opening into a mixing chamber for the mixing ...
10/22/1996
5490607Knife holder
A knife holder includes a board having a rib laterally formed on the front surface and having two cavities formed in the rear surface for receiving magnets which may attach the knife holder to metal surface. A case includes a rear panel and two flanges ex...
02/13/1996
5271516Isolation structure for contamination sensitive items
A reusable isolation structure features an easily cleanable shell having viewing windows formed therein, each protected by a framing ridge or a recess integrally formed in the shell provides protection of contents from contamination, impact, vibration and...
12/21/1993
5096078Tamper-evident closure assembly
A closure assembly for a container which includes an air-impervious diaphragm which when subjected to differential pressure will expand to retain articles in place within a container. The diaphragm is retained in position by a ring member that secures the...
03/17/1992
5080248Container lid with sealing device
A lid with a sealing device for containers includes a horizontal top (2; 50; 62), at least one air tube (6;51;63;73;83) attached to the lid (1;50;60;71;81), one or more suction cups (8;55;67;75;74;85;84) attached to the air tube and a hole (9;53;77;87) ma...
01/14/1992
4957215Segmented nozzle dam
A disk of joined segments, having a water resistant sheet over the seams of joining, is mounted on a ring around the nozzle, and water tightly sealed against the ring by expandable rings. A circular portion of the disk that is concentric with the central ...
09/18/1990
4949863Isolator for work in an aseptic environment
An isolator (10) formed to facilitate the entry and exit of products into and out of the isolator, the wall (12) of which includes an upper part (16) and a lower part (18) capable of being disconnected completely along one section of the isolator. The upp...
08/21/1990
4923074Tailgate and tailgate seal
A box-like sealable container for transporting and discharging material includes an improved tailgate and tailgate seal. The container has walls which define an opening, and the tailgate attached thereto has a periphery that overlies the opening. The tail...
05/08/1990
4826036Nozzle dam sealing system
A nozzle dam 14 has an integral diaphragm 50 and peripheral seal 58 radially engaged by bladder 46 to seal against the nozzle dam surface 12. The bladder receives force from a surface 44 on a plunger member 42. The plunger member 42 moves with the nozzle ...
05/02/1989
4809864Device for sealing the gap between a container opening and a relatively movable filler pipe
A device for sealing the gap between the opening of a tank and a filler pipe passing movably through the opening. It includes a coupling tube which can be placed in the gap and which can be sealed against the opening at one end and against the filler pipe...
03/07/1989
4799692Radial pressure flange seal
This invention provides an all metal seal for vacuum or pressure vessels or systems. This invention does not use gaskets. The invention uses a flange which fits into a matching groove. Fluid pressure is applied in a chamber in the flange causing at least ...
01/24/1989
4758402Refueling seal arrangement for nuclear reactor vessel
An annular plate is mounted on and sealed to the spaced apart pressure vessel flange and vessel containment structure of a nuclear reactor to form a leak-proof bottom for a refueling canal for the reactor. The sealing arrangement for the plate establishes...
07/19/1988
4705259Device for sealing an opening and slide valve comprising such a device
The invention relates to a device for sealing an opening (7) defined by an edge (6), comprising a sealing element (2, 102), the dimensions of which are at least equal to those of the opening (7), means for securing the said sealing element opposite the op...
11/10/1987
4690172Foldable dual-seal nozzle dam
A nozzle dam for providing a fluid-tight seal across a primary fluid nozzle in the plenum of a nuclear steam generating vessel includes two fluid-impermeable seals, each comprising a circular three-section foldable seal plate covered with a flexible diaph...
09/01/1987
4682630High pressure nozzle dam
A nozzle between the nuclear steam generator and nuclear reactor vessel has a dam, plug, or barrier mounted on the tapering internal wall of the conduit. A seating ring is mounted on the tapered internal surface of the nozzle through screws which will ens...
07/28/1987
4676025Remotely activatable seal
An improved fire seal comprises: an elongated flexible carrier incorporating structure for affixing the seal in a gap between opposing surfaces; a resilient cellular core; a bead of intumescent material; a flexible outer protective liner covering the cell...
06/30/1987
4665653Ship's door or hatch arrangement
The invention concerns a ship's door or ship's frame arrangement which is provided with a door frame and a removable door leaf mounted in it. Peripherally mounted on one of the mutually facing peripheral edges of the frame and the door leaf and serving as...
05/19/1987
4645090Baking utensils
A baking utensil which is designed for use in commercial baking operations has a rigid frame for supporting baking pans. The pans themselves have non-stick baking surfaces and are attached to the frame in a manner which permit ready detachment and replace...
02/24/1987
4576778Core barrel plug
The invention comprises a core barrel plug capable of being remotely installed in a port of a core barrel of a pressurized water nuclear reactor for converting the reactor from a by-pass downflow configuration to a by-pass upflow configuration. The plug c...
03/18/1986
4502519Containers
A transportable container for the storage and transportation of goods in a hermetically sealed environment, comprising a base member and a cover member both of flexible air-impermeable sheet material, and a load-bearing structure underlying said base memb...
03/05/1985
4483457Hinged steam generator nozzle plug
A nozzle plug (22) for blocking a nozzle (46) in a nuclear steam generator (16) is improved by the addition of hinges (40a, 40b) which allow the nozzle plug (22) to be inserted into the steam generator (16) through an access port (52) of substantially sma...
11/20/1984
4482076Nozzle plug for submersible vessel
A plug means for effecting a temporary blockage of a passage through which liquid is designed to flow. The subject plug means includes a frame means capable of being readily disassembled and embodying in the assembled state dimensions corresponding to the...
11/13/1984
4480424Bottle sealing apparatus and method
An inflatable member fabricated of an elastomeric expandable material is provided. The inflatable member has a sack-like configuration and is provided with a substantially centrally disposed nipple. A plastic disc is secured to the upper portion of the in...
11/06/1984
4335075Door seal for sterilizer
Sealing means for maintaining a seal between a closed door of a sterilizer and a wall framing an opening into a sterilizer chamber, comprising an endless ring having elastic walls with an internal partition dividing the ring into two independently inflata...
06/15/1982
4313609Sealing devices
A sealing device comprising two interengageable elongate seal members, of which at least one is flexible and has an internal void extending along the length thereof, said one member being arranged to deform so as sealingly to engage the other seal member ...
02/02/1982
4306665Containers having a flexible cover sealable to a rigid base
A container of the kind having a rigid base to which a flexible cover is sealed by means of an inflatable sealing tube is formed with a rigid support plate as part of the base, the support plate being carried on a support member having an upwardly-extendi...
12/22/1981
4228135Door and seal construction for sterilizers
Apparatus for sterilizing laboratory and hospital glassware, liquids, instruments, garments, contaminated animal wastes and bedding and the like, utilizing a sterilizer enclosure having a steam jacket surrounding the same and a vertically movable front do...
10/14/1980
4222589Coupling means for an installation for refrigerating containers
Coupling means for an installation for refrigerating containers and intended to provide a seal for a flow of cold air between a refrigeration system and containers to be refrigerated comprises a double sleeve 22, 24 which forms an annular space housing an...
09/16/1980
4202201Isolation and dust sealing door assemblies with integral testing means
The specification discloses an isolation door assembly which, by virtue of having annuli provided about the joint between the door coaming and the door framing, about the seal between the door and the coaming, and about any penetration of the door by shaf...
05/13/1980
4140237Containers having an inflatable tubular seal
A container of the kind having a cover, preferably an impermeable flexible cover, sealed to a base, an improved seal is provided comprising an endless slot or groove in the base into which the periphery of the cover fits adjacent a removable tube holder o...
02/20/1979
4135973Core disruptive accident margin seal
Apparatus for sealing the annulus defined within a substantially cylindrical rotatable riser assembly and plug combination of a nuclear reactor closure head. The apparatus comprises an inflatable sealing mechanism disposed in one portion of the riser asse...
01/23/1979
4121732Container having seal means
In a container of the kind having an impermeable cover which is sealed to a base, air then being evacuated from the region between the cover and the base, an improved seal is provided for use with a rigid cover. The periphery of the cover fits into an end...
10/24/1978
4114901Seal for unloading hatch of hopper barge or similar vessel
A hopper barge has an unloading opening covered by a slide that moves parallel to the plane of the opening. In the closed position, the slide is sealed by an inflatable seal disposed in a channel that opens toward the slide and that surrounds the opening....
09/19/1978
1    
 
Sign InRegister
Username  
Password   
forgot password?