Patents by Inventor Dustin D. Caldwell

Dustin D. Caldwell 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).

  • Publication number: 20190099940
    Abstract: A system for direct writing a conformal or free-form magnet includes producing a magnetic ink compound by mixing an photopolymer base and a magnetic material powder, extruding a layer of the magnetic ink compound through a nozzle on to a target substrate to form a layer, soft-curing the layer by exposing the layer to a first light, repeatedly extruding a layer and soft-curing the layer, then post-curing the magnet by exposing the magnet to a second light and an elevated temperature.
    Type: Application
    Filed: October 2, 2017
    Publication date: April 4, 2019
    Inventors: Sameh Dardona, Paul Sheedy, Wayde R. Schmidt, Dustin D. Caldwell, Slade R. Culp
  • Publication number: 20190024532
    Abstract: In combination a wear indication sensor and a component of a gas turbine engine is provided. The wear indication sensor is secured to a first surface of the component of the gas turbine engine. The wear indication sensor comprises: a first terminal; a second terminal electrically connected to the first terminal; two or more of resistors electrically connecting the first terminal to the second terminal, each of the two or more resistors including a first end electrically connected to the first terminal and a second end electrically connected to the second terminal, wherein each of the two or more resistors has a known resistance; and a first electrode electrically connecting the first terminal to the first end of each of the two or more resistors; wherein the first end of each of the two or more resistors is electrically connected to the first electrode through primary conductive lines.
    Type: Application
    Filed: July 18, 2017
    Publication date: January 24, 2019
    Inventors: Sameh Dardona, Dustin D. Caldwell, Paul Sheedy, Thomas D. Kasprow
  • Patent number: 8596341
    Abstract: A family of structures and designs for use in devices such as heat exchangers so as to allow for enhanced performance in heat exchangers smaller and lighter weight than other existing devices. These structures provide separate flow paths for liquid and vapor and are generally open. In some embodiments of the invention, these structures can also provide secondary heat transfer as well. In an evaporative heat exchanger, the inclusion of these structures and devices enhance the heat transfer coefficient of the evaporation phase change process with comparable or lower pressure drop.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: December 3, 2013
    Assignee: Battelle Memorial Institute
    Inventors: Ward E. Tegrotenhuis, Paul H. Humble, Curt A. Lavender, Dustin D. Caldwell
  • Patent number: 8438873
    Abstract: Methods and apparatus for separating fluids are disclosed. We have discovered that, surprisingly, providing an open pore structure between a wick and an open flow channel resulted in superior separation performance. A novel and compact integrated device components for conducting separations are also described.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: May 14, 2013
    Assignee: Battelle Memorial Institute
    Inventors: Ward E. TeGrotenhuis, Paul H. Humble, Dustin D. Caldwell
  • Publication number: 20090321053
    Abstract: A family of structures and designs for use in devices such as heat exchangers so as to allow for enhanced performance in heat exchangers smaller and lighter weight than other existing devices. These structures provide separate flow paths for liquid and vapor and are generally open. In some embodiments of the invention, these structures can also provide secondary heat transfer as well. In an evaporative heat exchanger, the inclusion of these structures and devices enhance the heat transfer coefficient of the evaporation phase change process with comparable or lower pressure drop.
    Type: Application
    Filed: June 5, 2008
    Publication date: December 31, 2009
    Inventors: Ward E. Tegrotenhuis, Paul H. Humble, Curt A. Lavender, Dustin D. Caldwell
  • Publication number: 20090255290
    Abstract: Methods and apparatus for separating fluids are disclosed. We have discovered that, surprisingly, providing an open pore structure between a wick and an open flow channel resulted in superior separation performance. A novel and compact integrated device components for conducting separations are also described.
    Type: Application
    Filed: April 1, 2009
    Publication date: October 15, 2009
    Applicant: Battelle Memorial Institute
    Inventors: Ward E. TeGrotenhuis, Paul H. Humble, Dustin D. Caldwell