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| Number | Title | Issue Date |
| 7159731 | Air purge valve and filter pump cover employing same A filter pump cover according to the invention comprises a filter cap, an air purge valve, and a filter cap retainer. An air purge valve according to the invention is comprised of a valve cap, a screw-threaded portion, and a valve stem having one or more outward-fac... | 01/09/2007 |
| 7147228 | Pressure relief device A circular seal (19) for the end face of a substantially cylindrical canister, the seal (19) having a substantially rectangular cross-section, and a recess (21) in one side thereof to reduce the area of said cross-section. In use the recessed ar... | 12/12/2006 |
| 7124908 | Ovoid flexible pressure vessel, apparatus and method for making same An ovoid flexible pressure vessel is described. At least one hollow pressure cell, formed of resilient material, a passageway, a valving means, a capillary tube, hoop winding, high-strength braiding material and at least one reinforcing ring are provided. The ovoid ... | 10/24/2006 |
| 7121423 | Ovoid flexible pressure vessel, apparatus and method for making same A flexible pressure vessel is constructed from at least one pair of upper and mating lower dome shaped cell portions. The dome portions are molded from sheets of resilient material and joined together by radio frequency welding or high-strength adhesives. Upper and ... | 10/17/2006 |
| 7104415 | Sealing cap The invention relates to a sealing cap (11), for openings and containers. The valve arrangement (15) comprises an axiallly displaceable valve body (17), which is held in the direction of the container interior by means of a spring (22) ag... | 09/12/2006 |
| 6921089 | Battery module gasket A gasket sealing system for providing a gasket seal disposed between a lid removably connectable at a receiving module containing electrical circuitry and/or batteries. The lid includes a perimeter surface that is removably insertable against a rim bordering an open... | 07/26/2005 |
| 6695319 | Indexed sealing ring for pressure cooker, and pressure cooker equipped therewith An indexing safety gasket (1) designed to be mounted in the lid of a pressure cooker for the purpose of providing sealing at pressure between the lid and the pan of the pressure cooker, the gasket being characterized in that it includes at least one outer... | 02/24/2004 |
| 6662827 | Overpressure relief valve for packaging container A membrane type pressure relief valve for packaging containers. The valve comprises a plastic overlay that is formed in a way that causes the center portion of the valve to be pre-stressed when applied to a base sheet or a package wall. The forming of the... | 12/16/2003 |
| 6230918 | Quick-on filler neck cap The invention is a cap engagable with a filler neck of a vehicle fuel tank, the cap having a core including an axially lower end, an axially upper end, and an exterior side wall extending between the axially lower and upper ends. A handle is coupled adjac... | 05/15/2001 |
| 6173855 | Tank closing device for a filler neck of a container A tank closing device for a container includes a filler neck at the container and a closing member received in the filler neck. A closing cap is securable at the filler neck by a bayonet fitting. A sealing element is arranged at the closing member. A spri... | 01/16/2001 |
| 6058966 | Plastic safety valve for containers A plastic safety valve for containers, especially pallet containers with an internal container of plastic and an external jacket of metal for the transport and storage of liquids, is constructed as an automatic aerating and venting valve and is integrated... | 05/09/2000 |
| 5769258 | Pressure vessels Disclosed is a closure means for a pressure vessel, said pressure vessel comprising a body portion and a lid portion, the closure means comprising: securing means attached to the lid portion for releasably securing the body and lid portions together to fo... | 06/23/1998 |
| 5641085 | Pressurized container safety device comprising a sealing having a weakened section A safety device for automatically limiting the pressure in a container, which container is composed of a pot and a lid. The device is constituted by a seal member interposed between the pot and the lid to form a seal between the pot and the lid, the seal ... | 06/24/1997 |
| 5248055 | Storage module for explosives A storage container or module for explosives is described comprising a cylindrical storage body, a cover, and yieldable means which retain the cover to the storage body while permitting the formation of a passage between the storage body and the cover to ... | 09/28/1993 |
| 5229563 | Pressure cooker A pressure cooker and a process for making the same, wherein the pressure cooker includes a pressure container for accommodating food to be cooked, a lid for covering the container in an airtight manner, a pressure control device for adjusting the interna... | 07/20/1993 |
| 5121852 | Dynamic pressure relief seal for pressure vessels A pressure relief seal for pressure tanks having separable tank sections is disclosed. The seal is formed by an O-ring within an O-ring cavity, in turn formed by each tank section. Overpressurization or improper assembly of the tank sections causes the O-... | 06/16/1992 |
| 5072851 | Dynamic pressure relief seal for pressure vessels A pressure relief seal for pressure tanks having separable tank sections is disclosed. The seal is formed by an O-ring within an O-ring cavity, in turn formed by each tank section. Overpressurization or improper assembly of the tank sections causes the O-... | 12/17/1991 |
| 4996027 | Contact lens case having pressure venting gasket An appliance for containing and venting fluid, typically for disinfecting contact lenses, includes a container body which has an access opening and a removable closure for the opening. A gasket is seated to form a normally liquid-tight seal between the co... | 02/26/1991 |
| 4993572 | Pressure venting closure A composite closure for a container vents internal gas pressure in excess of a pre-established maximum. An insert disk fits inside an overhanging top lip of the closure. The undersurface of the top lip is recessed to present a chamber into which excess ga... | 02/19/1991 |
| 4938376 | Valve for safeguarding the outer container of double wall vacuum-insulated storage containers for low boiling liquified gases A valve for safeguarding the outer container of a double wall vacuum-insulated container for low boiling liquified gases against a pressure increase in the insulation space after a loss of vacuum comprises a valve housing fastened in the outer container, ... | 07/03/1990 |
| 4592479 | Pressure cooker having vent means An improved pressure cooker of the type having a container and a lid. The container has an open mouth with an outer rim having spaced, outwardly projecting rim portions. The lip includes a peripheral, depending lip provided with spaced, inwardly projectin... | 06/03/1986 |
| 4584182 | Sterilized storage container A container lid (12) is held open by a support plate (18) carrying a chamber (20) which expands at a predetermined point in a sterilizing cycle to react against the lid, moving the plate outwardly to permit the lid to drop onto the container base. A resil... | 04/22/1986 |
| 4545400 | Pressure relieving device A pressure relieving device for use with gas flowmeters, pressure regulators and other fluid flow equipment is described. The device includes an O-ring and means for compressing and retaining the O-ring to provide a fluid-tight seal under normal operating... | 10/08/1985 |
| 4372921 | Sterilized storage container A container lid (12) is held open by a support plate (18) carrying a chamber (20) which expands at a predetermined point in a sterilizing cycle to react against the lid, moving the plate outwardly to permit the lid to drop onto the container base. A resil... | 02/08/1983 |
| 4276990 | Pressure cooker with seal safety relief A container for containing therein contents that develop a vapor pressure. The container has a cover provided with a vent opening for relieving internal pressures in the container when a predetermined internal pressure is exceeded. Control of the excess p... | 07/07/1981 |
| 4262272 | Ignition coil An ignition coil, for a spark ignition system, comprising a hollow casing closed at one end by a base and closed at its opposite end by an electrically insulating cap carrying at least the high voltage output terminal of the coil. Primary and secondary wi... | 04/14/1981 |
| 4249670 | Quick disconnect cap having pressure venting means A pressure-tight cap assembly providing a leak-proof seal against positive nternal tank pressure. Tank pressure may be vented prior to unlocking and removing the cap. The cap assembly incorporates an external adaptor with ears and slots in its outside circ... | 02/10/1981 |
| 4175671 | Breather cap A breather cap has a resilient element which is expanded radially by the movement of first and second plates toward one another. Air can pass through the breather cap and is filtered by a filter device provided in the breather cap.... | 11/27/1979 |
| 4131722 | Non-fouling resealable vent A resealable vented battery container having a sealed casing with a plastic closure having a vent port and a recess on the outside of the closure surrounding the vent port. A metal grommet in the port has a sleeve portion extending through the port with a... | 12/26/1978 |
| 4099645 | Fuel tank, especially for motorcycles A fuel tank for single-track vehicles, especially motorcycles, with a filler connection arranged recessed in the tank wall which is connected with the tank wall by way of an annular channel and is closed off by a recessed cover; the closure cover is there... | 07/11/1978 |
| 4011941 | Contact lens capsule An apparatus comprising a sterilizing capsule for the sterilizing of soft contact lenses in an aqueous hydrogen peroxide solution is disclosed.... | 03/15/1977 |
