Patents by Inventor Mark Thomas Schaefer

Mark Thomas Schaefer 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: 11761191
    Abstract: The invention described herein is that of an outdoor drain filter useful for maintaining the operability of an outdoor drain despite the accumulation of debris that would otherwise obstruct the outdoor drain, resulting in flood prevention of surrounding areas. The outdoor drain filter of the present invention is placed above and around an existing outdoor drain or may be integral with a drain cover or drain reservoir. The outdoor drain filter comprises upper and side filtration means allowing the free flow of water therethrough. The outdoor drain filter further comprises a diverter comprising at least one air vent and at least one lateral pipe that defines a maximum water level to which water will accumulate around the outdoor drain before being diverted into the drain through the diverter. The outdoor drain filter may a manufactured unit or of modular construction.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: September 19, 2023
    Inventor: Mark Thomas Schaefer
  • Publication number: 20220361680
    Abstract: The invention of the present disclosure is that of a plumber's platform for supporting the back of a plumber or the like when replacing various plumbing fixtures under a sink, such as a kitchen or bathroom sink. In certain embodiments, a plumber's platform according to the present disclosure may be formed of a hard plastic material such as via thermoplastic molding, and may be configured with fixed or adjustable supports such as legs or feet of various types. In preferred embodiments, a plumber's platform according to the present disclosure may be configured as a lid for a toolbox of appropriate dimensions and may be affixed thereto by various means. A plumber's platform may be unitary, having legs of fixed length, or may comprise extendable or adjustable legs of the same or varying lengths. In preferred embodiments, the platform may comprise one or more tool troughs and a carrying handle cutout.
    Type: Application
    Filed: May 13, 2021
    Publication date: November 17, 2022
    Inventor: Mark Thomas SCHAEFER
  • Publication number: 20210123226
    Abstract: The invention described herein is that of an outdoor drain filter useful for maintaining the operability of an outdoor drain despite the accumulation of debris that would otherwise obstruct the outdoor drain, resulting in flood prevention of surrounding areas. The outdoor drain filter of the present invention is placed above and around an existing outdoor drain or may be integral with a drain cover or drain reservoir. The outdoor drain filter comprises upper and side filtration means allowing the free flow of water therethrough. The outdoor drain filter further comprises a diverter comprising at least one air vent and at least one lateral pipe that defines a maximum water level to which water will accumulate around the outdoor drain before being diverted into the drain through the diverter. The outdoor drain filter may a manufactured unit or of modular construction.
    Type: Application
    Filed: March 6, 2019
    Publication date: April 29, 2021
    Inventor: Mark Thomas Schaefer