Patents by Inventor George Gil

George Gil 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).

  • Patent number: 5891208
    Abstract: A filter and method and apparatus for manufacturing the filter. The filter includes a first filter layer and a second filter layer. The first and second filter layers are joined by a ribbon. The ribbon is attached to the first filter layer and the second filter layer through ultrasonic welding. The apparatus includes first and second ultrasonic welders for attaching the first filter layer to one end of the ribbon and the second filter layer to the other end of the ribbon.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: April 6, 1999
    Inventor: George Gil
  • Patent number: 5885409
    Abstract: A filter and method and apparatus for manufacturing the filter. The filter includes a first filter layer and a second filter layer. The first and second filter layers are joined by a ribbon. The ribbon is attached to the first filter layer and the second filter layer through ultrasonic welding. The apparatus includes fist and second ultrasonic welders for attaching the first filter layer to one end of the ribbon and the second filter layer to the other end of the ribbon.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: March 23, 1999
    Inventor: George Gil
  • Patent number: 5846360
    Abstract: A filter and method and apparatus for manufacturing the filter. The filter includes a first filter layer and a second filter layer. The first and second filter layers are joined by a ribbon. The ribbon is attached to the first filter layer and the second filter layer through ultrasonic welding. The apparatus includes first and second ultrasonic welders for attaching the first filter layer to one end of the ribbon and the second filter layer to the other end of the ribbon.
    Type: Grant
    Filed: January 9, 1997
    Date of Patent: December 8, 1998
    Inventor: George Gil