Patents by Inventor Thomas Makelki

Thomas Makelki 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).

  • CENTRALIZER
    Publication number: 20210293096
    Abstract: A simple centralizer, comprising a mandrel extending between box couplings, a rotor receiving surface between the box couplings, a shoulder on the mandrel defining a first end of the rotor receiving surface; and a collar receiving surface on a second end of the rotor receiving surface. The collar receiving surface may be unthreaded. In use, a collar is press fit on to the collar receiving surface.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 23, 2021
    Applicant: Plainsman Mfg. Inc.
    Inventor: Thomas Makelki
  • Centralizer
    Patent number: 10961789
    Abstract: A simple centralizer, comprising a mandrel extending between box couplings, a rotor receiving surface between the box couplings, a shoulder on the mandrel defining a first end of the rotor receiving surface; and a collar receiving surface on a second end of the rotor receiving surface. The collar receiving surface may be unthreaded. In use, a collar is press fit on to the collar receiving surface.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 30, 2021
    Assignee: Plainsman Mfg. Inc.
    Inventor: Thomas Makelki
  • CENTRALIZER
    Publication number: 20190071936
    Abstract: A simple centralizer, comprising a mandrel extending between box couplings, a rotor receiving surface between the box couplings, a shoulder on the mandrel defining a first end of the rotor receiving surface; and a collar receiving surface on a second end of the rotor receiving surface. The collar receiving surface may be un-threaded. In use, a collar is press fit on to the collar receiving surface.
    Type: Application
    Filed: April 12, 2017
    Publication date: March 7, 2019
    Applicant: Plainsman Mfg. Inc.
    Inventor: Thomas Makelki