Patents by Inventor Bernard E. Douda

Bernard E. Douda 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).

  • Process for disposing of decoy flare material
    Patent number: 4276100
    Abstract: A process for the disposal of decoy flares comprised essentially of magnem powder, fluorocarbon rubber and polytetrafluoroethylene. The flare is separated into chunks which are then soaked in acetone or ethyl acetate which dissolves the fluorocarbon rubber. The solvent and fluorocarbon rubber are decanted off and hexane is added to solidify the fluorocarbon rubber. The remaining ingredients are washed and then dried and screened to separate the magnesium powder.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: June 30, 1981
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Robert E. Colvin, Bernard E. Douda, Francis E. Montgomery, James E. Short, Jr.
  • Solvent having high flash point
    Patent number: 4260509
    Abstract: A high flash point solvent for dissolving a copolymer of vinylidene fluor and hexafluoropropylene. The solvent is comprised of acetone, methylene chloride and either amyl acetate or butyl acetate.
    Type: Grant
    Filed: January 4, 1980
    Date of Patent: April 7, 1981
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Bernard E. Douda, Clyde F. Parrish, James E. Short, Jr.
  • Cinnamic acid containing pyrotechnic smoke composition
    Patent number: 4032374
    Abstract: A non-toxic smoke composition for use in simulating fires in damage control xercises and for use in training. Transcinnamic acid is used as the smoke producing agent and is volatilized by energy from a potassium chlorate/sugar mixture which provides a low burning temperature.
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: June 28, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Bernard E. Douda, John E. Tanner, Jr.