Patents by Inventor Milt D. Mathis

Milt D. Mathis 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).

  • Microwave rotary kiln
    Patent number: 11425800
    Abstract: An apparatus includes a microwave source emitting energy in a frequency range of about 300 Mhz to about 300 Ghz. At microwave cavity includes a stationary input section, a stationary output section, and a rotating processing section between the input section and the sample output section. A waveguide introduces microwave energy into at least one of the sample input section and the sample output section.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: August 23, 2022
    Inventor: Milt D. Mathis
  • MICROWAVE ROTARY KILN
    Publication number: 20130200071
    Abstract: An apparatus includes a microwave source emitting energy in a frequency range of about 300 Mhz to about 300 Ghz. At microwave cavity includes a stationary input section, a stationary output section, and a rotating processing section between the input section and the sample output section. A waveguide introduces microwave energy into at least one of the sample input section and the sample output section.
    Type: Application
    Filed: October 7, 2011
    Publication date: August 8, 2013
    Inventor: Milt D. Mathis
  • PAVEMENT MARKING AND REFLECTIVE ELEMENTS HAVING MICROSPHERES COMPRISING LANTHANUM OXIDE AND ALUMINUM OXIDE WITH ZIRCONIA, TITANIA, OR MIXTURES THEREOF
    Publication number: 20080280034
    Abstract: A method of marking a pavement surface is described comprising applying a pavement marking on the pavement surface. The pavement marking comprises transparent microspheres partially embedded in a binder wherein the micropheres comprise a lanthanide series oxide or yttrium oxide and aluminum oxide, in cobination with zirconia, titania, or mixtures thereof. Retroreflective articles including pavement marking tapes and reflective elements are also described.
    Type: Application
    Filed: May 11, 2007
    Publication date: November 13, 2008
    Inventors: Milt D. Mathis, Matthew H. Frey, Kenton D. Budd, Joseph D. Engebretson, Billy J. Fredrick, JR.