Patents by Inventor Tim A. Marske

Tim A. Marske 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).

  • Flow Rate and Pressure Reduction Assembly
    Publication number: 20140097372
    Abstract: A flow rate and pressure reduction assembly includes a tubular housing and a cylindrical plug, having at least two helical grooves in the outer surface, positioned within the tubular housing. The flow rate differential of the assembly is between about 0.3 to 9 gallons per minute.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 10, 2014
    Applicant: Roy E. Roth Company
    Inventors: Paul E. Roth, Linn S. Krebs, Tim A. Marske