Patents by Inventor Douglas Witkowski

Douglas Witkowski 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).

  • Firing weapons bonded with diamond-like carbon solid and methods for production thereof
    Patent number: 10415904
    Abstract: A lubricant free firing weapon is provided having amorphous, solid, diamond-like carbon coating (DLC) containing sp3, sp2 carbons and hydrogen bonded to the metallic operating parts. Such firing weapons may further include physical modifications to the bolt carrier rails to enhance the expulsion of sand/dust on the bolt carrier under extreme environments. Also provided herein are plasma enhanced chemical vapor deposition processes for producing such lubricant free weapons having coat thicknesses of 1 ?m-25 ?m which allows for reliable operation under all environmental conditions including extreme environments such as hot/cold and sand/dust without the need for lubrication.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: September 17, 2019
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Christopher Mulligan, Adam Foltz, Douglas Witkowski