Patents by Inventor Sigrid Heimann

Sigrid Heimann 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).

  • Float for a fill level sensor
    Patent number: 7600425
    Abstract: The invention relates to a float (5) for a fill level sensor, comprised of a fuel-resistant plastic (7), an expanding means (8) and/or filler (9), whereby the expanding means consists of gas-filled plastic balls (11) that are provided in the form of microspheres (8), and the filler consists of micro-hollow balls (9). The microspheres (8) and the micro-hollow balls (9) are surrounded by fuel-resistant plastic (7).
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: October 13, 2009
    Assignee: Siemens Aktiengesellschaft
    Inventors: Sigrid Heimann, Dieter Keller, Rainer Moser, Bernd Pauer, Bettina Seibert
  • Float For A Fill Level Sensor
    Publication number: 20070272009
    Abstract: The invention relates to a float (5) for a fill level sensor, comprised of a fuel-resistant plastic (7), an expanding means (8) and/or filler (9), whereby the expanding means consists of gas-filled plastic balls (11) that are provided in the form of microspheres (8), and the filler consists of micro-hollow balls (9). The microspheres (8) and the micro-hollow balls (9) are surrounded by fuel-resistant plastic (7).
    Type: Application
    Filed: May 14, 2004
    Publication date: November 29, 2007
    Applicant: Siemens Aktiengesellschaft
    Inventors: Sigrid Heimann, Dieter Keller, Rainer Moser, Bernd Pauer, Bettina Seibert