Patents by Inventor Douglas Michael Siefring

Douglas Michael Siefring 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).

  • Solenoid Valve Having One-Piece Collar-Tube
    Publication number: 20140264114
    Abstract: According to various aspects, exemplary embodiments are disclosed of a one-piece collar-tube for a valve assembly. Also disclosed are valve assemblies that include a one-piece collar-tube. Also disclosed are exemplary embodiments of methods. In an exemplary embodiment, a method generally includes integrally forming a collar portion and a tube portion for a valve assembly from a non-magnetic material as a single piece having a monolothic construction.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: EMERSON ELECTRIC CO.
    Inventors: Thomas Martin Farace, David Edward Ayton, Douglas Michael Siefring, Adam Robert Roush