Patents by Inventor Harrell Keith Parker

Harrell Keith Parker 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: 20120199564
    Abstract: Powder-delivery apparatus for delivering powdered cladding-material into the vicinity of a laser-beam spot includes a plurality of powder-delivery modules. Each of the modules is arranged to receive the cladding-material and deliver the cladding-material through a plurality of nozzles. The position of the nozzles in the modules with respect to the laser-beam spot is adjustable in three Cartesian axes. The modules are selectively removable from, and attachable to the apparatus. Nozzles in any one of the modules can be selectively prevented from delivering cladding-material.
    Type: Application
    Filed: December 28, 2011
    Publication date: August 9, 2012
    Applicant: Coherent, Inc.
    Inventors: John F. WASHKO, JR., Harrell Keith Parker, Stephen W. Brookshier