Patents by Inventor Michael Lacheny

Michael Lacheny 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).

  • Patent number: 12571276
    Abstract: A running tool has a core and a sleeve rotatably engaged to the core with a first ratchet mechanism. A ratchet ring engaged inward of an inward surface of the sleeve is configured to form a second ratchet mechanism with a set of ratchet teeth of a solid body hanger. The solid body hanger is a single, solid piece. An inward biased lock ring is operatively connected to an actuator to energize outwardly to secure the solid body hanger in a wellhead housing. The solid body hanger includes a shoulder with a weight sealing surface configured to form a metal-to-metal seal with the solid hanger body landed out in a casing head housing A single trip downhole and back for the running tool can both land out the hanger and engage the lock ring.
    Type: Grant
    Filed: April 29, 2025
    Date of Patent: March 10, 2026
    Assignee: Patriot Research Center, LLC
    Inventors: Craig Cotton, Michael Lacheny, Brandon Cain