Patents by Inventor Mark Joseph Toetschinger

Mark Joseph Toetschinger 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).

  • Method and apparatus for measuring and controlling active oxygen concentration in a bleach environment
    Patent number: 5770039
    Abstract: The present invention provides an arrangement of equipment and an overall process for the measurement and control of active bleach concentration in a bleach environment of an industrial laundry or cleaning system. As a preferred embodiment the primary piece of equipment which renders the overall system especially useful in controlling, for example, hypochlorite ion in a bleach environment is a membrane-shielded amperometric probe. The probe is designed and membrane selected to be highly selective to fluctuations in hypochlorite ion concentration.
    Type: Grant
    Filed: May 3, 1996
    Date of Patent: June 23, 1998
    Assignee: Ecolab Inc.
    Inventors: Martin Peter Rigney, Richard Jondall Mehus, Mark Joseph Toetschinger, John Ross Spriggs