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| Number | Title | Issue Date |
| 7351467 | Beverage safety lid In accordance with the invention, thin bodies of plastic, such as sheets or strands, with substantially different thermal coefficients of expansion, are laminated together to make plastic bodies that move in response to temperature change. The thermally movable plas... | 04/01/2008 |
| 7051762 | One-way valve A one-way valve, intended particularly for use in food packages The valve, which is intended to be fitted on a package, is arranged to open in response to an excess pressure inside and is recloseable. An adhesive sheet is arranged on top of an aperture formed in the... | 05/30/2006 |
| RE38991 | Motor vehicle fuel cap inlet and outlet vent apparatus A vehicle fuel or gas tank is subjected to either a build up of pressure or a negative pressure, and in view of this inlet and outlet vents are provided in the fuel cap to balance the pressure with the atmosphere, and this balance of fuel tank pressure is attained b... | 02/28/2006 |
| 6877629 | Food storage device Container for storing food products including a base defining a product support surface for supporting the food product and a cover releasably engaging with the base such that when the cover engages with the base, a storage compartment is defined by the cover and th... | 04/12/2005 |
| 6726047 | Air tight canister with vacuum relief valve A resilient vacuum relief valve 52 is urged tightly on the lid stem 44 engaging the lid bottom 42 while encircling the vent 46 preventing air passage through the vent 46. The vacuum relief valve 52 is also formed of a pliabl... | 04/27/2004 |
| 6663284 | Pressure sensitive one-way valve A pressure sensitive one-way valve to control the release of pressurized gas from a sealed container wherein the sealed container has at least one venting aperture therein. The valve comprises a first layer of flexibly resilient material having an upper s... | 12/16/2003 |
| 6364145 | Motor vehicle fuel cap inlet and outlet vent apparatus A vehicle fuel or gas tank is subject to either a build up of pressure or a negative pressure, and in view of this inlet and outlet vents are provided in the fuel cap to balance the pressure with the atmosphere, and this balance of fuel tank pressure is a... | 04/02/2002 |
| 5833090 | Metal lids for vacuum-sealing of packaging for foodstuff preserves The present invention comprises a metal lid constituted by a circular panel, endowed with downward short turned rim or skirt and provided in its inner peripheral circumference a circular groove containing a sealing gasket and having a circular concave dep... | 11/10/1998 |
| 5779089 | Cryogenic storage apparatus with lid vent A cryogenic storage apparatus including housing, inner storage tank which may contain cryogenic fluid such as liquid nitrogen, and a lid which is used to access the storage tank. The lid preferably completely seals the storage tank when in a closed positi... | 07/14/1998 |
| 5688544 | Easy opening ventable closure for sealed particulate product package A container for packaging a particulate product under pressure or vacuum conditions with an easy opening closure structure which allows venting prior to uncovering of the product opening. In one form, an easy peel flexible lid covers a shelf area and a pr... | 11/18/1997 |
| 5503199 | Fuel fill devices for boats A fuel filling assembly for liquid fuel tanks, especially on boats or the like, includes a fill tube adapted for mounting through a deck and a closure cap preferably hinged over the fill tube opening for selective opening and closing. Preferably, a positi... | 04/02/1996 |
| 5499654 | Two-way vent valve A liquid tank cap incorporates a two-way relief valve in which an annular valve disc has one side sealed against a seal adjacent to its inner diameter and the other side sealed against a seal adjacent to its outside diameter. When subjected to a pressure ... | 03/19/1996 |
| 5135024 | Roll over pressure relief valve A pressure relief or rollover valve is utilized on the tank of a fuel delivery truck to vent or relieve an abnormal internal pressure within the tank, such as that generated by an accidental deformation of the tank wall, while preventing spillage of fuel ... | 08/04/1992 |
| 4971219 | Fuel tank cap A removable cap for closing the filler neck of a fuel tank for an internal combustion engine. The cap includes a one piece gasket and baffle member which not only provides a fluid seal between the cap and the filler neck, but also permits venting of the f... | 11/20/1990 |
| 4922954 | Bi-directional pressure relief vent for a fuel tank A bi-directional vent for a fuel tank utilizes a resilient sealing member which in its unflexed state is a simple resilient washer. The sealing member is disposed inside a vent body, and forms both an inner and outer seal. The inner seal is formed between... | 05/08/1990 |
| 4798324 | Valve and containers incorporating the same A valve for use primarily for dispensing liquids from non-reusable containers comprising a conduit formed by bonding a flexible sheet of thermoplastic material to a second sheet of resilient thermoplastics material. The second sheet is of a springy nature... | 01/17/1989 |
| 4715494 | Internally pressurized package with heat-sealable closure member A pressure-tight packaging, intended particularly for tennis balls, has an opening (3) which is adapted to be sealed by a closure member (4) upon pressurizing the container. Closure member (4) is of substantially planar configuration and is made of a plas... | 12/29/1987 |
| 4653661 | Packaging container having a pressure relief valve A packaging container having a pressure relief valve which is suitable for packaging products that are vulnerable to oxygen and products that give off gases. The packaging container has at least one rigid and flat wall, which is surrounded by an offstandi... | 03/31/1987 |
| 4489883 | Temperature regulated dual pressure device A temperature regulated dual pressure radiator cap for an engine coolant system is disclosed having a temperature actuated valve that operates to normally open a large pressure responsive valve area to the coolant pressure below a predetermined coolant te... | 12/25/1984 |
| 4449242 | Flexible, resilient anti-contamination baffle A flexible, resilient anti-contamination baffle having a plurality of interleaved sheets of material. The sheets of material are secured at one end thereof to a surface adjacent an opening to be sealed and have the capability of not only substantially pre... | 05/15/1984 |
| 4440308 | Fuel cap valve structure A fuel cap has a valve structure for controlling both superatmospheric and subatmospheric pressures in a fuel tank. The valve has a plate or flat disc member with two apertures formed therein. A grommet is secured in each aperture. A pair of resilient val... | 04/03/1984 |
| 4402407 | Sterilization chest There is disclosed a container that is useful as a sterilization chest for surgeons' instruments and the like. The container includes a generally open-top box having a peripheral flange about its top edge and an open channel extending along at least two o... | 09/06/1983 |
| 4168012 | Fuel cap assembly Disclosed herein is a cap assembly for a fuel tank including a cap having a top wall with a vent opening therethrough, a cylindrical side wall depending from the top wall, a generally cylindrical wall depending from the top wall and inside of the side wal... | 09/18/1979 |
| 4000846 | Pressure relief valve and bag incorporating same A highly improved pressure relief valve permitting release of pressure from an enclosed area without permitting any substantial reverse flow of gases or fluids into that enclosed area is disclosed. Specifically, the pressure relief valve includes a rigid ... | 01/04/1977 |
| 3994522 | Bailing device and method A rigid, tubular bailing device has an open top and a closed bottom made from pliable material. An integral, flap-type check valve is formed in the bottom by cutting the valve from the pliable material and leaving a small portion uncut to act as a hinge. ... | 11/30/1976 |
| 3966078 | Tank vent A vent for a truck mounted tank comprising a duct, one end of which originates in the normal upper expansion space of the tank interior and terminates on the outside of the tank so that the duct can convey air from the interior of the tank to the outside ... | 06/29/1976 |
| 3949934 | Container having a valve movable between one-way flow and closed positions A container for packing up products characterized by at least a one-way passage from inside to outside the container, and after sterilizing the filled up container, structure for closing said one-way passage to separate the inside from the outside of the ... | 04/13/1976 |
