Patents by Inventor Michael Thomas Dahl

Michael Thomas Dahl 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: 11752923
    Abstract: A two line spring reel unit, including a housing defining a first opening and a second opening; a first anchor and a second anchor, inside and fixed to the housing; a first spiral spring having an inner end held by the first anchor and a second spiral spring having an interior end held by the second anchor; a first spool, fixed to rotate about a first pin, and a second spool set to rotate about a second pin and wherein the first spiral spring has an outer end attached to the first spool and the second spiral spring has an outer end attached to the second spool; and a first tension member, wrapped about the first spool and extending out of the first opening and a second tension member wrapped about the second spool and extending out of the second opening.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: September 12, 2023
    Inventor: Michael Thomas Dahl
  • Publication number: 20220089080
    Abstract: A two line spring reel unit, including a housing defining a first opening and a second opening; a first anchor and a second anchor, inside and fixed to the housing; a first spiral spring having an inner end held by the first anchor and a second spiral spring having an interior end held by the second anchor; a first spool, fixed to rotate about a first pin, and a second spool set to rotate about a second pin and wherein the first spiral spring has an outer end attached to the first spool and the second spiral spring has an outer end attached to the second spool; and a first tension member, wrapped about the first spool and extending out of the first opening and a second tension member wrapped about the second spool and extending out of the second opening.
    Type: Application
    Filed: May 7, 2021
    Publication date: March 24, 2022
    Inventor: Michael Thomas Dahl
  • Patent number: 11001190
    Abstract: An expandable net, including a plurality of spring reels. Each spring reel has a housing defining an interior and having a central anchor, in the interior, and further defining an opening; a spool rotatably mounted inside the housing, and having a side wall; a tension member wound about the spool and extending through the opening and having a distal end; and a spiral spring anchored at the anchor and having an outer end, attached to the side wall. Further, the distal end of each tension member is attached to the housing of another spring reel, thereby forming the expandable net.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: May 11, 2021
    Inventor: Michael Thomas Dahl