Patents by Inventor Leon ROY

Leon ROY 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: 9221005
    Abstract: A process and system for ventilation of welding smoke including an air passage configured to receive smoke from a welding environment, wherein said air passage has an inlet and an outlet and said inlet is positioned adjacent to said welding environment. The system also includes a filter coupled to the air passage, wherein the filter includes filter media that exhibits a burst strength of up to 20? w.g., an initial resistance in the range of 0.3? w.g. to 1.5? w.g., an air flow in the range of 1,000 cubic feet per minute to 2,500 cubic feet per minute and a removal efficiency of greater than 50% for particles having a diameter of 0.3 ?m to 10.0 ?m.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: December 29, 2015
    Assignee: FREUDENBERG FILTRATION TECHNOLOGIES, LLC
    Inventor: Leon Roy
  • Publication number: 20140366721
    Abstract: A process and system for ventilation of welding smoke including an air passage configured to receive smoke from a welding environment, wherein said air passage has an inlet and an outlet and said inlet is positioned adjacent to said welding environment. The system also includes a filter coupled to the air passage, wherein the filter comprises filter media that exhibits a burst strength of up to 20? w.g., an initial resistance in the range of 0.3? w.g. to 1.5? w.g., an air flow in the range of 1,000 cubic feet per minute to 2,500 cubic feet per minute and a removal efficiency of greater than 50% for particles having a diameter of 0.3 ?m to 10.0 ?m.
    Type: Application
    Filed: June 17, 2013
    Publication date: December 18, 2014
    Inventor: Leon ROY