Patents by Inventor Dushan Drakulich

Dushan Drakulich 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).

  • Leak detection system
    Patent number: 5883815
    Abstract: A method for thermal volume modeling of the pipe fluid volume change by taking temperature change measurements of pipe fluid taken at a single location, and comparing it to the changes in the fluid volume inside a tank hydraulically connected to a said pipe; a method of determining a fluid leak by comparing a calculated fluid volume inside a tank(s) and the actually measured tank fluid volume, where calculations are based on the method.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: March 16, 1999
    Inventors: Dushan Drakulich, M. Cueva-Eguiguren