Patents by Inventor Edward Mierzejewski

Edward Mierzejewski 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).

  • METHODS AND TOOLS FOR USE IN REPAIRING GAS ENGINE TURBINE BLADES
    Publication number: 20190337101
    Abstract: A repair tool and repair method for restoring gas turbine engine blade tips to a predetermined configuration is provided. The repair tool is an electrode that includes a tool body and a number of pins. The repair tool can be used to repair turbine blade tips through an electrical discharge machining process, such as a ram- or sink-type electrical discharge machining process.
    Type: Application
    Filed: June 27, 2019
    Publication date: November 7, 2019
    Applicant: United Technologies Corporation
    Inventors: William Rose, Edward Mierzejewski
  • Methods and tools for use in repairing gas engine turbine blades
    Patent number: 10376998
    Abstract: A repair tool and repair method for restoring gas turbine engine blade tips to a predetermined configuration is provided. The repair tool is an electrode that includes a tool body and a number of pins. The repair tool can be used to repair turbine blade tips through an electrical discharge machining process, such as a ram- or sink-type electrical discharge machining process.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: August 13, 2019
    Assignee: United Technologies Corporation
    Inventors: Edward Mierzejewski, William Rose
  • METHODS AND TOOLS FOR USE IN REPAIRING GAS ENGINE TURBINE BLADES
    Publication number: 20160001404
    Abstract: A repair tool and repair method for restoring gas turbine engine blade tips to a predetermined configuration is provided. The repair tool is an electrode that includes a tool body and a number of pins. The repair tool can be used to repair turbine blade tips through an electrical discharge machining process, such as a ram- or sink-type electrical discharge machining process.
    Type: Application
    Filed: June 29, 2015
    Publication date: January 7, 2016
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Edward Mierzejewski, William Rose