Patents

The following shows recent patents awarded to people or companies in central Virginia. Listed are the name of patent, the patent number, name of the local inventor and his or her locality, the patent assignee, and a brief description of the patent from an abstract. The information comes from the U.S. Patent and Trademark Office.

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Toaster oven control knob and method of controlling a toaster oven; (U.S. Patent 10,051,996); William D. Starr of Richmond; Hamilton Beach Brands Inc. of Henrico: A toaster oven comprising a housing defining a food cavity, an opening defined in the housing, a door movably affixed to the housing, a cooking grid selectively mountable within the housing, one or more heating elements within the housing, a timer controlling activation of the heating elements, and a timer control knob engaged with the timer. The timer control knob is selectively rotatable in a second direction from the off position to a third position to activate at least one of the one or more heating elements until the timer control knob is selectively rotated in the first direction back to the off position. The timer control knob is only selectively rotatable in the second direction from the off position to the third rotational position when a main body of the timer control knob is moved longitudinally from a first longitudinal position to a second longitudinal position.

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Cartridge and e-vaping device with serpentine heater; (U.S. Patent 10,051,894); Yuval Malka, Rangaraj Sundar, Arye Weigensberg, Scott A. Fath, William J. Bogdziewicz III of Richmond, Christopher S. Tucker of Midlothian and others; Altria Client Services LLC of Henrico: A cartridge of an e-vaping device includes a housing extending in a longitudinal direction, a reservoir in the housing, a heater in the housing, and an absorbent material at least partially surrounding the sinusoidal shaped member. The reservoir is configured to store a pre-vapor formulation. The heater has a sinusoidal shaped member translating about an elliptical shape to define a channel there through. The absorbent material is in fluid communication with the reservoir.

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Controlled release mentholated tobacco beads; (U.S. Patent 10,051,884); Georgios D. Karles, Shuzhong Zhuang and Yi Zeng of Richmond; Philip Morris USA Inc. of Henrico: Encapsulated tobacco beads and processes of making the encapsulated tobacco beads are disclosed. According to an embodiment, a process of making encapsulated tobacco beads comprises mixing tobacco particles and menthol in an aqueous solution to form a wet mass; extruding the wet mass to form extrudates; spheronizing the extrudates to form tobacco beads; drying the tobacco beads; contacting the beads with a solution comprising a cation; and introducing the contacted tobacco beads into a solution of coating material in a concentration effective to induce ionic gelation of the coating material around the beads, to form encapsulated tobacco beads having gel coatings. According to another embodiment, an encapsulated tobacco bead comprises a core comprising tobacco particles and encapsulated menthol, an inner coating layer comprising hydroxypropyl methylcellulose or pectin, and an outer coating layer comprising an ionically-crosslinked gel.

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Incorporation of ammonia release compounds in smoking articles; (U.S. Patent 10,051,883); Lixin Xue of Midlothian, W. Geoffrey Chan of Chesterfield and Mohammad Hajaligol of Glen Allen; Philip Morris USA Inc. of Henrico: A tobacco smoking mixture including an ammonia-release compound adapted to be formed into a lit-end cigarette is provided. The ammonia-release compound is incorporated in or on tobacco cut filler in an amount effective to reduce the cytotoxicity, and/or selective smoke constituents of cigarette smoke. Exemplary ammonia-release compounds include ammonium acetate, ammonium hydroxide, hexammine cobalt (III) chloride, hexammine cobalt (III) acetate, and combinations thereof. The ammonia-release compounds can release ammonia at temperatures between about 60.degree. C. and about 400.degree. C. Ammonia-release compounds can be combined with additives, such as glycerine, cobalt acetate, copper (II) acetate, zinc acetate, other metal salts or combinations thereof, to further reduce the cytotoxicity of cigarette smoke.

 

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