Patents by Inventor Mikel R. Stierwalt

Mikel R. Stierwalt 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: 10605031
    Abstract: A modular well containment cellar system having a bottom portion, two co-planar half-panels joined to the bottom portion and separated by a through-channel portion, and a one side wall joined to a bottom portion and to the half-panels, forming a closed container with an open top for mating to another cellar component at the half-panels, wherein a well pipe may be received into the through-channel. A plurality of drip diverters prevent downward-moving liquid from running between the mated half-panels and between the well pipe and the through-channel to capture dripped and running liquids from above the containment cellar system.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: March 31, 2020
    Inventor: Mikel R. Stierwalt
  • Publication number: 20190145212
    Abstract: A modular well containment cellar system having a bottom portion, two co-planar half-panels joined to the bottom portion and separated by a through-channel portion, and a one side wall joined to a bottom portion and to the half-panels, forming a closed container with an open top for mating to another cellar component at the half-panels, wherein a well pipe may be received into the through-channel. A plurality of drip diverters prevent downward-moving liquid from running between the mated half-panels and between the well pipe and the through-channel to capture dripped and running liquids from above the containment cellar system.
    Type: Application
    Filed: January 15, 2019
    Publication date: May 16, 2019
    Inventor: Mikel R. Stierwalt
  • Patent number: 10202816
    Abstract: A modular well containment cellar system having a bottom portion, two co-planar half-panels joined to the bottom portion and separated by a through-channel portion, and a one side wall joined to a bottom portion and to the half-panels, forming a closed container with an open top for mating to another cellar component at the half-panels, wherein a well pipe may be received into the through-channel. A plurality of drip diverters prevent downward-moving liquid from running between the mated half-panels and between the well pipe and the through-channel, to capture dripped and running liquids from above the containment cellar system.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: February 12, 2019
    Inventor: Mikel R. Stierwalt
  • Publication number: 20190040705
    Abstract: A modular well containment cellar system having a bottom portion, two co-planar half-panels joined to the bottom portion and separated by a through-channel portion, and a one side wall joined to a bottom portion and to the half-panels, forming a closed container with an open top for mating to another cellar component at the half-panels, wherein a well pipe may be received into the through-channel. A plurality of drip diverters prevent downward-moving liquid from running between the mated half-panels and between the well pipe and the through-channel, to capture dripped and running liquids from above the containment cellar system.
    Type: Application
    Filed: August 4, 2017
    Publication date: February 7, 2019
    Inventor: Mikel R. Stierwalt