Patents by Inventor LAWRENCE HUGH BURLEIGH

LAWRENCE HUGH BURLEIGH 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).

  • BOREHOLE SAND CATCHER
    Publication number: 20240175330
    Abstract: A downhole apparatus for collecting solids fallback in the tubing of an oil producing borehole comprises two or more baskets to collect the solids fall back, each basket partially occupying a portion of the inner cross section of the tubing, leaving a portion of the inner cross section of the tubing having an unrestricted flow path. The baskets when considered in plan view along longitudinal axis of the tubing are distributed such that together they cover substantially the whole area of the tubing while leaving an unobstructed non-straight flowpath around the baskets.
    Type: Application
    Filed: December 4, 2023
    Publication date: May 30, 2024
    Applicant: FALLBACK LLC
    Inventors: PHILIP HEAD, LAWRENCE HUGH BURLEIGH
  • Borehole sand catcher
    Patent number: 11867011
    Abstract: A downhole apparatus for collecting solids fallback in the tubing of an oil producing borehole comprises two or more baskets to collect the solids fall back, each basket partially occupying a portion of the inner cross section of the tubing, leaving a portion of the inner cross section of the tubing having an unrestricted flow path. The baskets when considered in plan view along longitudinal axis of the tubing are distributed such that together they cover substantially the whole area of the tubing while leaving an unobstructed non-straight flowpath around the baskets.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: January 9, 2024
    Assignee: Fallback LLC
    Inventors: Philip Head, Lawrence Hugh Burleigh
  • BOREHOLE SAND CATCHER
    Publication number: 20210164310
    Abstract: A downhole apparatus for collecting solids fallback in the tubing of an oil producing borehole comprises two or more baskets to collect the solids fall back, each basket partially occupying a portion of the inner cross section of the tubing, leaving a portion of the inner cross section of the tubing having an unrestricted flow path. The baskets when considered in plan view along longitudinal axis of the tubing are distributed such that together they cover substantially the whole area of the tubing while leaving an unobstructed non-straight flowpath around the baskets.
    Type: Application
    Filed: April 30, 2019
    Publication date: June 3, 2021
    Inventors: PHILIP HEAD, LAWRENCE HUGH BURLEIGH