Patents by Inventor Abdolmajid Fazeli

Abdolmajid Fazeli 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).

  • Pressure/differential pressure measuring device
    Patent number: 4909083
    Abstract: A pressure/differential pressure measuring device having a range plate with static and differential pressure sensors mounted therein. A high pressure isolation plate is mounted on one side of the range plate with a high pressure diaphragm mounted on the side of the high pressure isolation plate away from the range plate and sealed thereto forming a first fluid chamber between the inside of the high pressure diaphragm and the high pressure isolation plate side of the sensor assemblies. A low pressure isolation plate is mounted on the other side of the range plate with a low pressure diaphragm mounted on the side of the low pressure isolation plate away from the range plate and sealed thereto forming a second fluid chamber between the inside of said low pressure diaphragm and the low pressure isolation plate side of the sensor assemblies.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: March 20, 1990
    Assignee: ITT Corporation
    Inventors: Abdolmajid Fazeli, Joseph J. Ponzi, Ernst R. Ginkel