Patents by Inventor Udo Marchart

Udo Marchart 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).

  • Housing for receiving an air filter element
    Patent number: 6881238
    Abstract: In a housing for receiving an air filter element 1 with a housing bottom 2 and a housing top 3, the air filter element 1 within the housing can be positioned between the first carrier element 8 which is located on the housing bottom 2, and a second carrier element 9 which is located on the housing top 3, by means of the first carrier element 8 and/or the second carrier element 9 a seal being implemented between the raw air space 5 and the clean air space 6. The housing bottom 2 and the housing top 3 and also the two carrier elements 8, 9 of the housing can have different dimensions to match various types of internal combustion engines.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: April 19, 2005
    Assignee: Audi AG
    Inventors: Udo Marchart, Ralf Ziegler, Peter Erlewein, Wolfgang Banscher
  • Housing for receiving an air filter element
    Publication number: 20040025484
    Abstract: In a housing for receiving an air filter element 1 with a housing bottom 2 and a housing top 3, the air filter element 1 within the housing can be positioned between the first carrier element 8 which is located on the housing bottom 2, and a second carrier element 9 which is located on the housing top 3, by means of the first carrier element 8 and/or the second carrier element 9 a seal being implemented between the raw air space 5 and the clean air space 6. The housing bottom 2 and the housing top 3 and also the two carrier elements 8, 9 of the housing can have different dimensions to match various types of internal combustion engines.
    Type: Application
    Filed: September 8, 2003
    Publication date: February 12, 2004
    Inventors: Udo Marchart, Ralf Ziegler, Peter Erlewein, Wolfgang Banscher