Patents by Inventor Herbert Altenhofer

Herbert Altenhofer 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).

  • Method for determining a property of a fluid for a household device
    Patent number: 7733097
    Abstract: Method for determining a property of a fluid for a household device includes the following steps: measurement of a physical variable of the fluid associated with the property of the fluid, in each case when a first parameter influencing the physical variable has one of at least two predetermined values, in order to obtain at least two measurement values for the first parameter, and correlation of the at least two measurement values for the first parameter, in order to obtain a first value characterizing the property of the fluid.
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: June 8, 2010
    Assignee: emz-Hanauer GmbH & Co. KGaA
    Inventors: Johann Schenkl, Herbert Altenhofer
  • Method for determining a property of a fluid for a household device
    Publication number: 20090140754
    Abstract: Method for determining a property of a fluid for a household device, comprising the following steps: measurement of a physical variable of the fluid associated with the property of the fluid, in each case when a first parameter influencing the physical variable has one of at least two predetermined values, in order to obtain at least two measurement values for the said first parameter, and correlation of the at least two measurement values for the first parameter, in order to obtain a first value characterising the property of the fluid.
    Type: Application
    Filed: September 6, 2005
    Publication date: June 4, 2009
    Applicant: EMZ-HANAUER GMBH & CO. KGAA
    Inventors: Johann Schenkl, Herbert Altenhofer
  • Gypsum construction sheet with glass fiber/non-woven felt lining sheet
    Patent number: 4504533
    Abstract: The invention concerns a gypsum construction board in which a gypsum core is faced with a two-layer laminate comprised of a nonwoven fiber felt and a glass fiber web of crossed glass fibers wherein the glass fiber web of crossed glass fibers is embedded in the gypsum core and the laminate is in the form of a laminate sheet which extends across the width of the board.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: March 12, 1985
    Assignee: Gebr. Knauf Westdeutsche Gipswerke
    Inventors: Herbert Altenhofer, Engelbert Wintzheimer, Gerhard Neuhauser
  • Multi-layer plasterboard
    Patent number: 3993822
    Abstract: A multi-layered gypsum board for construction purposes in which a mixture of gypsum, water and fibers provide the center or core of the board, and a composite coating of a fiberglass layer and a layer of fiberglass fleece covers one of the major surfaces of the core, with the fiberglass layer being embedded into the mixture and plaster favorably adhering to the outer surface of the fiberglass fleece layer. The other major surface of the core may be covered with a similar coating, or a layer, for example, of pasteboard.
    Type: Grant
    Filed: March 16, 1973
    Date of Patent: November 23, 1976
    Assignee: Gebr. Knauf Westdeutsche Gipswerke
    Inventors: Alfons Knauf, Karl Knauf, Franz Wirsching, Gerhard Neuhauser, Herbert Altenhofer