Patents by Inventor Susett Rolle

Susett Rolle 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 producing a contact material for contact pieces for vacuum switch devices, and a contact material and contact pieces therefor
    Patent number: 6524525
    Abstract: A method for producing a contact material made of copper and chromium in a proportion of 40 to 75 wt.-% copper and 25 to 60 wt.-% of chromium for contact pieces for vacuum switch devices by pressing the powder mixture, sintering and infiltrating the compact and subsequent reshaping into a semi-finished contact material product having a density which corresponds to at least 99% of the theoretical density, as well as to contact pieces made of this semi-finished contact material product.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: February 25, 2003
    Assignees: Metalor Technologies International SA, Moeller GmbH
    Inventors: Franz Hauner, Susett Rolle, Alfredo Lietz
  • Method for producing a contact material for contact pieces for vacuum switch devices, and a contact material and contact pieces therefor
    Publication number: 20010036418
    Abstract: A method for producing a contact material made of copper and chromium in a proportion of 40 to 75 wt.-% copper and 25 to 60 wt.-% of chromium for contact pieces for vacuum switch devices by pressing the powder mixture, sintering and infiltrating the compact and subsequent reshaping into a semi-finished contact material product having a density which corresponds to at least 99% of the theoretical density, as well as to contact pieces made of this semi-finished contact material product.
    Type: Application
    Filed: March 2, 2001
    Publication date: November 1, 2001
    Inventors: Franz Hauner, Susett Rolle, Alfredo Lietz