Patents by Inventor Melanie Markgraf

Melanie Markgraf 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).

  • Publication number: 20150211129
    Abstract: A surface treatment method for components made of aluminum or aluminum alloys, involving treatment steps of alkaline cleaning, rinsing, alkaline pickling, rinsing, acid pickling, rinsing, also involves a step of conducting a visual inspection for soft spots after the alkaline cleaning in step or the alkaline pickling.
    Type: Application
    Filed: August 7, 2013
    Publication date: July 30, 2015
    Inventors: Claudia Juricic, Melanie Markgraf