Patents by Inventor Alexander T. Chenvainu
Alexander T. Chenvainu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8695149Abstract: Tooth cleaning devices. An embodiment of a tooth cleaning device includes: an elongated head sized to fit in an oral cavity. The elongated head having a first surface and a neck extending from the head. A first tooth cleaning element having a plurality of upstanding wiping members extends upward from below the first surface and extends radially outward from a center of the first tooth cleaning element. Each upstanding wiping member has a free outermost edge that extends upwards substantially from the first surface to the top of the wiping member. A plurality of upstanding arcuate shaped second tooth cleaning elements secured to the head and located outboard of the first tooth cleaning element are also provided. In addition, a plurality of upstanding third tooth cleaning elements are secured to the head and border an edge of the first surface. The third tooth cleaning elements have a circular cross-sectional area.Type: GrantFiled: April 1, 2011Date of Patent: April 15, 2014Assignee: Braun GmbHInventors: Phillip M. Braun, William R. Brown, Jr., Alexander T. Chenvainu, Thomas A. Christman
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Patent number: 8621698Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided. The toothbrush heads include a support member and a plurality of bristles or tufts of bristles extending from the support member, the bristles or bristle tufts having different lengths. The contour of the bristles may be selected to allow substantially all of the bristles to contact the dentition during brushing.Type: GrantFiled: April 6, 2011Date of Patent: January 7, 2014Assignee: Braun GmbHInventors: Alexander T. Chenvainu, Thomas A. Christman
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Patent number: 8444416Abstract: Dual valves are described herein. The dual valves have a plurality of lumens disposed within a unitary body. The dual valves can be used, for example, in personal care products such as toothbrushes and razors to dispense fluids such as dentifrice and shaving aids.Type: GrantFiled: April 26, 2005Date of Patent: May 21, 2013Assignee: Braun GmbHInventors: Alexander T. Chenvainu, Thomas A. Christman, Manfred Klawuhn
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Patent number: 8317424Abstract: Oral care devices are provided that include a first component and a second component removably engaged with the first component; the first and second components having a respective fluid passageway extending therethrough, the respective passageways capable of fluid communication while the first and second components are engaged; and at least one of the first and second components including a sealing member constructed to allow fluid communication between the first and second passageways when the first and second passageways are engaged and to close the associated passageway when the first and second components are disengaged. Oral care devices are also provided that include a replaceable and refillable cartridge.Type: GrantFiled: June 3, 2004Date of Patent: November 27, 2012Assignee: The Gillette CompanyInventors: Alexander T. Chenvainu, Thomas A. Christman, Jeremy Ducharme, Mark E. Farrell
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Publication number: 20110179595Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided. The toothbrush heads include a support member and a plurality of bristles or tufts of bristles extending from the support member, the bristles or bristle tufts having different lengths. The contour of the bristles may be selected to allow substantially all of the bristles to contact the dentition during brushing.Type: ApplicationFiled: April 6, 2011Publication date: July 28, 2011Inventors: Alexander T. Chenvainu, Thomas A. Christman
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Publication number: 20110173765Abstract: Tooth cleaning devices. An embodiment of a tooth cleaning device includes: an elongated head sized to fit in an oral cavity. The elongated head having a first surface and a neck extending from the head. A first tooth cleaning element having a plurality of upstanding wiping members extends upward from below the first surface and extends radially outward from a center of the first tooth cleaning element. Each upstanding wiping member has a free outermost edge that extends upwards substantially from the first surface to the top of the wiping member. A plurality of upstanding arcuate shaped second tooth cleaning elements secured to the head and located outboard of the first tooth cleaning element are also provided. In addition, a plurality of upstanding third tooth cleaning elements are secured to the head and border an edge of the first surface. The third tooth cleaning elements have a circular cross-sectional area.Type: ApplicationFiled: April 1, 2011Publication date: July 21, 2011Applicant: THE GILLETTE COMPANYInventors: Phillip M. Braun, William R. Brown, JR., Alexander T. Chenvainu, Thomas A. Christman
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Patent number: 7975344Abstract: A toothbrush has a handle and a head part, on which bristle filaments and at least one flexible cleaning element are arranged. The at least one flexible cleaning element is arranged on a carrier element which consists of a hard material and is connected to the head part. A process for producing such a toothbrush is also disclosed.Type: GrantFiled: July 6, 2007Date of Patent: July 12, 2011Assignee: The Gillette CompanyInventors: Phillip M. Braun, Alexander T. Chenvainu
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Patent number: 7958589Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided.Type: GrantFiled: June 12, 2009Date of Patent: June 14, 2011Assignee: The Gillette CompanyInventors: Phillip M. Braun, William R. Brown, Jr., Alexander T. Chenvainu, Thomas A. Christman
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Patent number: 7941886Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided. The toothbrush heads include a support member and a plurality of bristles or tufts of bristles extending from the support member, the bristles or bristle tufts having different lengths. The contour of the bristles may be selected to allow substantially all of the bristles to contact the dentition during brushing.Type: GrantFiled: September 19, 2003Date of Patent: May 17, 2011Assignee: Braun GmbHInventors: Alexander T. Chenvainu, Thomas A. Christman
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Patent number: 7934284Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided. The toothbrush heads include a support member, a resilient member extending from the support member, and a plurality of tufts of bristles extending from the support member and at least partially surrounding the member. The resilient member may be cup-shaped, fan-shaped, or textured.Type: GrantFiled: February 11, 2003Date of Patent: May 3, 2011Assignee: Braun GmbHInventors: Phillip M. Braun, William R. Brown, Jr., Alexander T. Chenvainu, Thomas A. Christman
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Publication number: 20100218378Abstract: Dual valves are described herein. The dual valves have a plurality of lumens disposed within a unitary body. The dual valves can be used, for example, in personal care products such as toothbrushes and razors to dispense fluids such as dentifrice and shaving aids.Type: ApplicationFiled: May 11, 2010Publication date: September 2, 2010Inventors: Alexander T. Chenvainu, Thomas A. Christman, Mafred Klawuhn
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Publication number: 20090282628Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided.Type: ApplicationFiled: June 12, 2009Publication date: November 19, 2009Applicant: THE GILLETTE COMPANYInventors: Phillip M. Braun, William R. Brown, JR., Alexander T. Chenvainu, Thomas A. Christman
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Publication number: 20090172900Abstract: A toothbrush head comprises a first surface, a second outer surface opposite the first surface and an opening defined therebetween; a plurality of first cleaning elements extending from the first surface; and a carrier including a restricted end and a second cleaning element opposite the restricted end, the carrier movably mounted within the opening and the second cleaning element movable relative to the first surface.Type: ApplicationFiled: August 6, 2008Publication date: July 9, 2009Inventors: William R. Brown, JR., Thomas A. Christman, Alexander T. Chenvainu, Phillip M. Braun, Karen L. Claire-Zimmet, Mark S. Meadows
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Patent number: 6852262Abstract: Methods of manufacturing razor cartridges are provided. One method includes loading a support portion of a supported blade into an elongated blade slot defined by a core member, the core member being configured to define a portion of a molding cavity defining the shape of the cartridge housing; and delivering a resin to the molding cavity to form the housing and capture a portion of the blade in the resin. In another method, a plurality of razor cartridges are manufactured substantially simultaneously by (a) removably mounting each blade on a core member; (b) placing each core member in a molding cavity; and (c) delivering a resin to the molding cavities to form at least a portion of the cartridge housing and capture a portion of the blade in the resin.Type: GrantFiled: May 9, 2002Date of Patent: February 8, 2005Assignee: The Gillette CompanyInventors: William R. Brown, Jr., William C. Carson, Alexander T. Chenvainu, Thomas A. Christman, Kenneth E. Johnson, Charles P. Kiricoples, Alejandro Lee, Cardy J. Louis, Helge Zimmet
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Patent number: 6839968Abstract: Shaving systems are provided including an elongated blade and a plastic housing, the ends of the blade being captured in the plastic housing.Type: GrantFiled: May 9, 2002Date of Patent: January 11, 2005Assignee: The Gillette CompanyInventors: William R. Brown, Jr., William C. Carson, Alexander T. Chenvainu, Thomas A. Christman, Kenneth E. Johnson, Charles P. Kiricoples, Alejandro Lee, Cardy J. Louis, Helge Zimmet
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Patent number: 6826797Abstract: Oral devices are provided, including oral brushes that include bristle tufts and a rotatable member having radially extending protrusions constructed to wedge between a user's teeth and, among other things, cause compression of the papilla.Type: GrantFiled: May 18, 2000Date of Patent: December 7, 2004Assignee: Gillette Canada CompanyInventors: Alexander T. Chenvainu, Thomas A. Christman, Amit Birla
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Publication number: 20040154112Abstract: Toothbrush heads, e.g., for power toothbrushes, are provided. The toothbrush heads include a support member, a resilient member extending from the support member, and a plurality of tufts of bristles extending from the support member and at least partially surrounding the member. The resilient member may be cup-shaped, fan-shaped, or textured.Type: ApplicationFiled: February 11, 2003Publication date: August 12, 2004Inventors: Phillip M. Braun, William R. Brown, Alexander T. Chenvainu, Thomas A. Christman
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Publication number: 20030208907Abstract: Shaving systems are provided including an elongated blade and a plastic housing, the ends of the blade being captured in the plastic housing.Type: ApplicationFiled: May 9, 2002Publication date: November 13, 2003Inventors: William R. Brown, William C. Carson, Alexander T. Chenvainu, Thomas A. Christman, Kenneth E. Johnson, Charles P. Kiricoples, Alejandro Lee, Cardy J. Louis, Helge Zimmet
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Patent number: D501605Type: GrantFiled: November 18, 2003Date of Patent: February 8, 2005Assignee: The Gillette CompanyInventors: William R. Brown, Jr., Alexander T. Chenvainu, Thomas A. Christman
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Patent number: D526487Type: GrantFiled: January 10, 2005Date of Patent: August 15, 2006Assignee: The Gillette CompanyInventors: Alexander T. Chenvainu, Thomas A. Christman, Duy Phong Vu, Roland Ullmann