Patents by Inventor Albert Kircher

Albert Kircher 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).

  • Size reduction machine
    Patent number: 6892972
    Abstract: Size reduction machines including a screen holder that positions and secures a screen associated with the size reduction machine in place and also including an adjustable impeller for setting and changing a desired known gap between the size reduction machine impeller and frusto-conical screen.
    Type: Grant
    Filed: January 11, 2002
    Date of Patent: May 17, 2005
    Assignee: The Fitzpatrick Company
    Inventors: Albert Kircher, Thomas E. Sotomayor, Ronald D. Selner, Elbert D. Wilson
  • Size reduction machine
    Publication number: 20020056774
    Abstract: Size reduction machines including a screen holder that positions and secures a screen associated with the size reduction machine in place and also including an adjustable impeller for setting and changing a desired known gap between the size reduction machine impeller and frusto-conical screen.
    Type: Application
    Filed: January 11, 2002
    Publication date: May 16, 2002
    Applicant: The Fitzpatrick Company
    Inventors: Albert Kircher, Thomas E. Sotomayor, Ronald D. Selner, Elbert D. Wilson
  • Size reduction machine having an adjustable impeller and screen holder
    Patent number: 6367723
    Abstract: Size reduction machines including a screen holder that positions and secures a screen associated with the size reduction machine in place and also including an adjustable impeller for setting and changing a desired known gap between the size reduction machine impeller and frusto-conical screen.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: April 9, 2002
    Assignee: The Fitzpatrick Company
    Inventors: Albert Kircher, Thomas E. Sotomayor, Ronald D. Selner, Elbert D. Wilson