Patents by Inventor Johan Friis

Johan Friis 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: 9988922
    Abstract: An impingement baffle for a gas turbine engine is provided. The impingement baffle is a one piece impingement ring with one opening and with fastening elements at both free ends of the impingement ring to enable the closing of the impingement ring. A gas turbine engine including at least one such an impingement baffle is also provided.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: June 5, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventor: Johan Friis
  • Publication number: 20110064567
    Abstract: An impingement baffle for a gas turbine engine is provided. The impingement baffle is a one piece impingement ring with one opening and with fastening elements at both free ends of the impingement ring to enable the closing of the impingement ring. A gas turbine engine including at least one such an impingement baffle is also provided.
    Type: Application
    Filed: September 16, 2010
    Publication date: March 17, 2011
    Inventor: Johan Friis