Patents by Inventor Amar Cheballah

Amar Cheballah 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).

  • Method and device for diagnosing an air-conditioning loop of a motor vehicle
    Patent number: 6101820
    Abstract: In a method of diagnosing an air-conditioning loop of a motor vehicle an undercooling value is determined from parameters of the loop. An overheating value is determined from parameters of the loop. The undercooling value is compared with minimal and maximal values. The overheating value is compared with minimal and maximal values. The comparison results are processed to provide information about the operational status of the loop.
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: August 15, 2000
    Assignee: Chausson Service
    Inventor: Amar Cheballah