Patents by Inventor Pierre Kirchhofer

Pierre 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: 10470558
    Abstract: A toothbrush including a main member that includes a handle portion, a neck portion and a head portion. At least one brush member, which forms at least part of the brush head along with the head portion and is movable relative to the head portion, is disposed in the head portion. The at least one brush member can be moved under the effect of a cleaning movement manually exerted on the teeth.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: November 12, 2019
    Assignee: TRISA HOLDING AG
    Inventors: Christoph Willi, Pierre Kirchhofer, Armin Bärtschi, Vivek Patel, Matthew Kwang, Gerhart Huy
  • 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