Patents by Inventor Rudy A. Falkenburg

Rudy A. Falkenburg 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).

  • Device for the quantitative reduction of nitrogen dioxide in gas mixtures
    Patent number: 4221761
    Abstract: A reducer for the quantitative reduction of NO.sub.2 to NO in gas mixtures. The reducer comprises two compartments of which one is filled with a granular preparation consisting of ferrosulphate and an acid alkalisulphate and the second comprises a granular preparation consisting of ferrosulphate and a strong acid. The preparation is preferably provided on the surface of granular inert carrier material, for example pumice.
    Type: Grant
    Filed: June 28, 1978
    Date of Patent: September 9, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Valere G. J. Bullens, Hermanus Pauw, Rudy A. Falkenburg