Patents by Inventor Surat Sangpleng

Surat Sangpleng 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).

  • Automatic air filter cleaner
    Publication number: 20030182906
    Abstract: The working process of the automatic air filter cleaner can be broken down to 3 specific operating functions. These functions are the controlling system, cleaning system, and the dust collecting system.
    Type: Application
    Filed: August 20, 2002
    Publication date: October 2, 2003
    Inventors: Sukree Chullanandana, Surat Sangpleng