Patents by Inventor Roger Kirchhofer

Roger Kirchhofer 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).

  • Patent number: 9750334
    Abstract: The brush according to the invention has a bristle carrier, which is produced by injection molding, and bristles, which are produced from a bristle material likewise by injection molding. The bristle carrier is provided with at least one distributing channel for the bristle material. The bristles are formed integrally with the bristle material in the distribution channel.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: September 5, 2017
    Assignee: TRISA HOLDING AG
    Inventors: Roger Kirchhofer, Peter Zurfluh, Michael Schar
  • Publication number: 20160067021
    Abstract: A flosser that includes a gripping element, a retainer that is connected to the gripping element and has a first and a second retainer arm and an interdental cleaning element which is secured to the first and second retainer arms and extends between the two retainer arms.
    Type: Application
    Filed: April 10, 2014
    Publication date: March 10, 2016
    Inventors: Martin ZWIMPFER, Roger KIRCHHOFER
  • Publication number: 20150135456
    Abstract: The household or body care brush has a handle and a bristle arrangement supported thereby. The bristle support and the bristles formed integrally therewith are produced in an injection moulding process. A plurality of injected bristles are arranged in each case such that they stand closely adjacent to one another in a bristle bundle. The bristle bundles on the other hand are arranged with a space between the bundles. The invention further relates to an injection mould that is particularly suited to producing household brushes or body care brushes comprising bristle bundles, the longitudinal directions of which run at an angle to one another or are out of square with one another.
    Type: Application
    Filed: May 17, 2013
    Publication date: May 21, 2015
    Inventors: Roger Kirchhofer, Pierre Kirchhofer, Michael Schär
  • Publication number: 20140173853
    Abstract: A grip body of a body care article, such as toothbrush, includes a grip part, a neck part and a head part. The grip body includes a first and a second material component of a thermoplastic plastic. The first and the second material component have a common injection point that is arranged outside a mould partition line formed by the mould partition.
    Type: Application
    Filed: July 25, 2012
    Publication date: June 26, 2014
    Applicant: TRISA HOLDING AG
    Inventors: Roger Kirchhofer, Michael Schar, Martin Zwimpfer, Peter Zurfluh
  • Publication number: 20130291320
    Abstract: The brush according to the invention has a bristle carrier, which is produced by injection moulding, and bristles, which are produced from a bristle material likewise by injection moulding. The bristle carrier is provided with at least one distributing channel for the bristle material. The bristles are formed integrally with the bristle material in the distribution channel.
    Type: Application
    Filed: January 3, 2012
    Publication date: November 7, 2013
    Applicant: TRISA HOLDING AG
    Inventors: Roger Kirchhofer, Peter Zurfluh, Michael Schar
  • Patent number: 8360764
    Abstract: The invention relates to a method and a device for producing parts that are made up of more than one component. The first part (17) is produced in a first plane (10) and then transported by a transfer system (15) into a second plane (11).
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: January 29, 2013
    Assignees: Foboha GmbH Formenbau, Trisa Holding AG
    Inventors: Rainer Armbruster, Roger Kirchhofer, Peter Zurfluh
  • Publication number: 20100276836
    Abstract: The invention relates to a method and a device for producing parts that are made up of more than one component. The first part (17) is produced in a first plane (10) and then transported by a transfer system (15) into a second plane (11).
    Type: Application
    Filed: November 14, 2006
    Publication date: November 4, 2010
    Inventors: Rainer Armbruster, Roger Kirchhofer, Peter Zurfluh
  • Publication number: 20100088836
    Abstract: A toothbrush comprises bristle supporting elements in the head region thereof. The bristle supporting elements are arranged in an elastic manner relative to the neck region and in a bendable and twistable manner relative to one another by a foil-type hard film. Preferably, the foil-type hard film externally extends in a flush fashion around a top opening of the bristle supporting element.
    Type: Application
    Filed: February 11, 2008
    Publication date: April 15, 2010
    Applicant: TRISA HOLDING AG
    Inventors: Roger Kirchhofer, Peter Zurfluh, Franz Fischer, Adrian Pfenniger, Josef Loetscher
  • Patent number: D780457
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: March 7, 2017
    Assignee: COLGATE-PALMOLIVE COMPANY
    Inventors: Eduardo Jimenez, Kenneth Waguespack, Robert Moskovich, Roger Kirchhofer, Kurt Bieri, Joachim Storz, Andreas Wechsler