Patents by Inventor Roland L. Laugel

Roland L. Laugel 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).

  • Rotary leaf filter with independently movable sluice arms
    Patent number: 3959148
    Abstract: A pressure leaf filter with a pair of sluicing assemblies oscillatable independently of each other to spray sluicing fluid on said leaf elements to remove filter cake. The sluice arms can have fixed or rotatable nozzles. A control means is provided to energize electric or fluid operated motors at predetermined times so that the sprays of the nozzles do not interfere with each other.
    Type: Grant
    Filed: July 11, 1974
    Date of Patent: May 25, 1976
    Assignee: Ametek, Inc.
    Inventors: John E. Krynski, Roland L. Laugel