Patents by Inventor Steven B. McGaw, Jr.

Steven B. McGaw, Jr. 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).

  • Filter manufacturing process using a combined welding and cutting step
    Patent number: 7083722
    Abstract: A method of manufacturing a filter comprises the steps of assembling multiple layers of filtration material on top of one another to form an assembly; holding the assembly between an ultrasonic weld horn and a weld nest so that the assembly has a marginal area outside of an edge formed on either the nest or the weld horn; and operating the weld horn so as to cause the marginal area to be cut off from the assembly at the edge and to simultaneously seal together the layers of filtration material of the remaining assembly at the edge. A filter made by the process and an apparatus used to practice the process are also disclosed.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: August 1, 2006
    Assignee: Filtertek Inc.
    Inventor: Steven B. McGaw, Jr.
  • Filter manufacturing process using a combined welding and cutting step
    Patent number: 6451205
    Abstract: A method of manufacturing a filter comprises the steps of assembling multiple layers of filtration material on top of one another to form an assembly; holding the assembly between an ultrasonic weld horn and a weld nest so that the assembly has a marginal area outside of an edge formed on either the nest or the weld horn; and operating the weld horn so as to cause the marginal area to be cut off from the assembly at the edge and to simultaneously seal together the layers of filtration material of the remaining assembly at the edge. A filter made by the process and an apparatus used to practice the process are also disclosed.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: September 17, 2002
    Assignee: Filtertek Inc.
    Inventor: Steven B. McGaw, Jr.