Patents by Inventor DAVID KRIVANEK

DAVID KRIVANEK 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).

  • SYSTEM AND METHOD FOR FORMING A FULL ENGAGEMENT MALE LOCK IN A DUCTLINE
    Publication number: 20240401726
    Abstract: The present invention provides a method for producing a full engagement Pittsburgh male lock using specific cutting assemblies and protocols that reduce the amount of metal that is removed from the male portion of the corner notches in the duct. Forming of the male portion of the lock is done after the connecting flange forming has been completed as opposed to before the connecting flange forming has been completed.
    Type: Application
    Filed: August 15, 2024
    Publication date: December 5, 2024
    Applicant: Mestek Machinery, Inc.
    Inventors: DAVID KRIVANEK, TIMOTHY AARON COON
  • SYSTEM AND METHOD FOR FORMING A FULL ENGAGEMENT MALE LOCK IN A DUCTLINE
    Publication number: 20220003340
    Abstract: The present invention provides a method for producing a full engagement Pittsburgh male lock using specific cutting assemblies and protocols that reduce the amount of metal that is removed from the male portion of the corner notches in the duct. Forming of the male portion of the lock is done after the connecting flange forming has been completed as opposed to before the connecting flange forming has been completed.
    Type: Application
    Filed: June 28, 2021
    Publication date: January 6, 2022
    Applicant: Mestek Machinery, Inc.
    Inventors: DAVID KRIVANEK, TIMOTHY AARON COON