Patents by Inventor Scott L. Sanders

Scott L. Sanders 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).

  • Continuous process for producing ultrasonically welded air filters
    Patent number: 5215609
    Abstract: A method for continuously producing air filters made from synthetic materials is described, wherein an essentially continuous length of filter material is passed through a series of ultrasonic welding means to form a pocket into which a frame can be inserted. The pocket is then ultrasonically welded closed. Individual filters are then cut from the length of filter material. The process may also be used to create synthetic bag filters.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: June 1, 1993
    Inventor: Scott L. Sanders