Patents by Inventor David Drohan

David Drohan 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: 20180281910
    Abstract: The present invention relates to a floatation device for encumbered people carrying equipment such as military personnel and offshore workers. Ideally, the floatation device includes an auxiliary floatation device for encumbered users that can be used with a primary lifejacket worn by a user. The auxiliary floatation device includes a buoyancy portion that, in 5 use, can be attached to the legs of the user, and the orientation of the torso of the user is controlled by the buoyancy force provided by the buoyancy portion and, in turn, effect the distance between the mouth of a user and waterline, which is referred to as the “freeboard”.
    Type: Application
    Filed: September 29, 2016
    Publication date: October 4, 2018
    Inventor: David Drohan