Patents by Inventor David L. Wickman

David L. Wickman 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: 20130325212
    Abstract: An aerial vehicle can include oil sensors connected to a lubrication system and a computer connected to the oil sensors. The computer can be programmed to determine mission duration for the unmanned aerial vehicle, determine a maximum oil system duration for the unmanned aerial vehicle based upon data from the oil sensors, perform a comparison of the mission duration to the maximum oil system duration, and output a signal based upon the comparison.
    Type: Application
    Filed: May 29, 2012
    Publication date: December 5, 2013
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventor: David L. Wickman
  • Patent number: 4285431
    Abstract: A double layer inflatable bag for protecting a blade of an aircraft. The includes a puncture proof outer layer and a flexible inner layer joined together at the extreme ends to form an elongated bag. Means for inflating various sections of the space in between two layers are provided. The bag is put on over the blade and is inflated. Inner layer of the bag is in contact with the blade to keep it in position and the outer layer thereof protects the blade from damage.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: August 25, 1981
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: David L. Wickman