Patents by Inventor Charles F. Putnik

Charles F. Putnik 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).

  • Sacrificial anode composition
    Patent number: 4549948
    Abstract: A composition which is particularly suitable for providing cathodic protection of metal structures is disclosed. The composition comprises a major amount of particulate anode material and a minor amount of a thixotropic carrier material. A method of using the composition is disclosed. Also, an apparatus which uses the composition is disclosed.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: October 29, 1985
    Assignee: Conoco Inc.
    Inventors: Marvin L. Peterson, Charles F. Putnik, Orwin G. Maxson
  • Sacrificial anode composition in cathodic protection process
    Patent number: 4318787
    Abstract: A composition which is particularly suitable for providing cathodic protection of metal structures is disclosed. The composition comprises a major amount of particulate anode material and a minor amount of a thixotropic carrier material. A method of using the composition is disclosed. Also, an apparatus which uses the composition is disclosed.
    Type: Grant
    Filed: August 22, 1980
    Date of Patent: March 9, 1982
    Assignee: Conoco Inc.
    Inventors: Marvin L. Peterson, Charles F. Putnik, Orwin G. Maxson