Patents by Inventor Pfeiffer Ralf

Pfeiffer Ralf 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).

  • DEVICE AND METHOD FOR PROCESSING A COOLING AND RINSING LIQUID
    Publication number: 20110180493
    Abstract: A device and method for processing a cooling and rinsing liquid from a dirty liquid is disclosed. The device includes a first container, which is connected to a feed line for the dirty liquid, a second container, which is connected to a discharge line for the process cooling and rinsing liquid, and a filter element which is arranged in the second container. A connecting line connects the first and second containers and a bypass line connects the discharge line to the connecting line.
    Type: Application
    Filed: December 17, 2010
    Publication date: July 28, 2011
    Applicant: Hilti Aktiengesellschaft
    Inventors: Georg Holzmeier, Pfeiffer Ralf, Marc Schuster, Andreas Burkhard