Patents by Inventor Rob Hammen

Rob Hammen 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).

  • Publication number: 20070056945
    Abstract: Embodiments of an insulated sleeve and a perforated screen may be used in a nozzle assembly for a welding torch. In one embodiment, a welding system includes an electrically insulated sleeve and a perforated screen disposed adjacent to the electrically insulated sleeve. The perforated screen is configured to be captured removably between a nozzle and a contact tip of a torch head, and the perforated screen is configured to be installed and removed independent of the nozzle.
    Type: Application
    Filed: September 8, 2006
    Publication date: March 15, 2007
    Inventor: Rob Hammen