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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7258254 | Dispensing end cap An end cap is attached to a container body to form a liquid media package for dispensing liquid media. The end cap includes an aperture in fluid communication with the liquid media in the package. The end cap also includes at least one radial arm extending outwardly... | 08/21/2007 |
| 7243813 | Domed food container A food container preferably for heated food, has a lid member and a base member. The base member has complimentary embossed portions in the bottom of the base member to engage a complimentary indented portion in the top surface of the lid member. The retaining mecha... | 07/17/2007 |
| 7131550 | Food storage containers A lid for a food storage container includes a lid body with a vacuum sense opening and a vent opening extending through the lid body, a releasable cover disposed over the vent opening, and a pressure-indicating protrusion. The cover impedes air flow into the contain... | 11/07/2006 |
| 7105788 | Microwave cooking device with improved venting configuration A microwave cooking device includes a container for holding a food product, a seal for sealing the container to enclose a substantially fixed volume therein, and a venting configuration. The venting configuration includes a steam guide defining a central vent and a ... | 09/12/2006 |
| 7074443 | Vented can overcap Packaging for a can containing ground roasted coffee packed under atmospheric pressure and having a flexible peel-off lid which is vented to allow the escape of a buildup of carbon dioxide gases. A spacing structure prevents the vent valve in the lid from being clos... | 07/11/2006 |
| 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 |
| 5806703 | Safety valve device for packagings containing products to be cooked, cooled, reheated or degassed A safety valve device for packages of products to be cooked, cooled, reheated, or degassed and a package that includes such a safety valve. The valve includes a peripheral portion attached to the package support and a movable flap with an end portion conn... | 09/15/1998 |
| 5727881 | Overpressure valve for a packaging container An overpressure valve for a packaging container which includes a base plate with a central valve hole that coincides with a hole in a wall of the container and a valve diaphragm. The valve diaphragm covers the valve hole and the adjoining zones and includ... | 03/17/1998 |
| 4265752 | Self venting gas cap A closure for the filler neck on a vehicle gas tank having a closure body with a central passage and an upper surface having a vent groove formed therein. The vent groove has a first end communicating with the hollow portion of the closure body and a seco... | 05/05/1981 |
| 4228914 | Sterilized storage container A container is disclosed with a valve opening at its bottom wall to permit steam to circulate into the container and to permit any condensation to drain from the container while the valve is open. The valve is closed by an expandable chamber in response t... | 10/21/1980 |
| 4210255 | Self-venting end unit for pressure packaging An end unit intended for packaging products in an associated can or container wherein the product is of the type producing gases so as to normally increase the internal pressure within the can after the closing of the can. The end unit has a vent opening ... | 07/01/1980 |
| 4151253 | High-precision pressure A pressure reactor which avoids leakage and prevents sample loss upon depressurization. Leakage is avoided by providing a reaction vessel with a screw-threaded closure member. Loss of sample is prevented by the provision of a vapor trap which collects any... | 04/24/1979 |
| 4134535 | Pressure relief valve for packing containers A pressure relief valve for packages in which the valve element comprises a liquid impregnated porous element covering outlet openings in the package, with the liquid layer in the porous element being torn open by package contents pressures in excess of a... | 01/16/1979 |
