Patents by Inventor Per-Erik A. Appelo

Per-Erik A. Appelo 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: 8956435
    Abstract: A primary filter cage wall element is adapted to form, together with at least one complementary filter cage wall element, a tubular baghouse filter cage segment. The filter cage wall elements are provided with snap-locks, for snapping a first long side of the primary filter cage wall element to a second long side of the complementary filter cage wall element, and for snapping a second long side of the primary filter cage wall element to a first long side of the complementary filter cage wall element.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: February 17, 2015
    Assignee: ALSTOM Technology Ltd
    Inventor: Per-Erik A. Appelo
  • Publication number: 20120279185
    Abstract: A primary filter cage wall element is adapted to form, together with at least one complementary filter cage wall element, a tubular baghouse filter cage segment. The filter cage wall elements are provided with snap-locks, for snapping a first long side of the primary filter cage wall element to a second long side of the complementary filter cage wall element, and for snapping a second long side of the primary filter cage wall element to a first long side of the complementary filter cage wall element.
    Type: Application
    Filed: May 2, 2011
    Publication date: November 8, 2012
    Applicant: ALSTOM Technology Ltd
    Inventor: Per-Erik A. Appelo