Patents by Inventor Hubert Holdener

Hubert Holdener 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: 8651731
    Abstract: The invention relates to a dynamic mixer for viscose components in particular for the mixing of dental compositions, with a rotor (30) and a housing (2), which has front inlet openings (12, 13) for the components and at least one rear outlet opening (20) and the inner space of which includes a pre-chamber (17) and a main chamber (22), with the pre-chamber (17) opening into the main chamber (22) in a distal, tapering transition section (16). For the precise regulation of the concentration of the components to be mixed of the supplied components even with temporary concentration fluctuations of the same and in order to achieve a high degree of homogenization, it is proposed that the dynamic mixer (1) has at least one individual channel (23a-d) as a passage from the pre-chamber (17) into the main chamber (22), with the width of the individual channel (23a-d) extending over a part of the periphery of the transition section (16).
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: February 18, 2014
    Assignee: Sulzer Mixpac AG
    Inventors: Torsten Wintergerste, Hubert Holdener, Percy Leue
  • Publication number: 20100208544
    Abstract: The invention relates to a dynamic mixer for viscose components in particular for the mixing of dental compositions, with a rotor (30) and a housing (2), which has front inlet openings (12, 13) for the components and at least one rear outlet opening (20) and the inner space of which includes a pre-chamber (17) and a main chamber (22), with the pre-chamber (17) opening into the main chamber (22) in a distal, tapering transition section (16). For the precise regulation of the concentration of the components to be mixed of the supplied components even with temporary concentration fluctuations of the same and in order to achieve a high degree of homogenization, it is proposed that the dynamic mixer (1) has at least one individual channel (23a-d) as a passage from the pre-chamber (17) into the main chamber (22), with the width of the individual channel (23a-d) extending over a part of the periphery of the transition section (16).
    Type: Application
    Filed: June 6, 2008
    Publication date: August 19, 2010
    Inventors: Torsten Wintergerste, Hubert Holdener, Percy Leue
  • Patent number: 6261366
    Abstract: A suction device for a double-point coating system is used to remove excess powder (3′) from a double-coated fabric web (1). The suction device has a powder-suction element (4) to remove excess powder, a fabric-web-suction unit to align the fabric web and at least one beater roller (8, 9) to loosen excess powder. The fabric web suction unit has at least one suction roller (5, 6, 7) that can rotate to convey the fabric web (1) and support it. That way, the fabric webs can be transported tension-free, which largely prevents adhesion of individual dots of paste and clogging of the textile.
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: July 17, 2001
    Assignee: Schaetti AG
    Inventors: Max Dubs, Hubert Holdener