Patents by Inventor James K. Henzl

James K. Henzl 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).

  • Apparatus and method for sensing the fluid level in a mixing device
    Patent number: 6485171
    Abstract: A sensor for detecting the level of circulating fluid in a tank comprises a paddle blade disposed at a particular height and oriented generally radially from a rotating shaft in the tank. A sensing device, such as a strain gauge, is attached to the paddle blade to detect when the paddle blade is in at least one of a normal and a displaced position, thereby indicating that fluid is absent or present at a particular level. Additional sensors may be used in the same tank to provide fluid level feedback at more than one height.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: November 26, 2002
    Assignee: Goss Graphic Systems, Inc
    Inventors: Xin Xin Wang, Thaddeus A. Niemiro, Joseph Vucko, James K. Henzl