Patents by Inventor Ray L. Roggenkamp

Ray L. Roggenkamp 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).

  • CO.sub.2 interference free O.sub.2 electrode
    Patent number: 4078981
    Abstract: An improved electrode for use in oxygen determination is disclosed. Interference from carbon dioxide is eliminated by combining an improved electrolyte with means for permitting rapid electrolyte movement into and out of the space between the cathode and the membrane covering the cathode to maintain the pH of the electrolyte in the space substantially constant. The electrolyte consists of a KCl solution containing KOH of from 0.1 to 2%.
    Type: Grant
    Filed: December 3, 1976
    Date of Patent: March 14, 1978
    Assignee: Beckman Instruments, Inc.
    Inventors: Radhakrishna M. Neti, Ray L. Roggenkamp