Patents by Inventor David Hayslett

David Hayslett 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: 11419416
    Abstract: The present invention relates generally to a repositionable and handheld easel of lightweight composition, and that is removably attachable to a painting canvas frame without interfering with any paintable portion of the canvas. The handheld easel is also adjustable in size to accommodate virtually any size of handheld canvas frame, and allows the painting surface to be rotated in relation to the artists hand to enable the artist to achieve a specific brush stroke while the handheld easel remains in the artist's hand.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: August 23, 2022
    Inventor: David Hayslett
  • Publication number: 20210120955
    Abstract: The present invention relates generally to a repositionable and handheld easel of lightweight composition, and that is removably attachable to a painting canvas frame without interfering with any paintable portion of the canvas. The handheld easel is also adjustable in size to accommodate virtually any size of handheld canvas frame, and allows the painting surface to be rotated in relation to the artists hand to enable the artist to achieve a specific brush stroke while the handheld easel remains in the artist's hand.
    Type: Application
    Filed: April 1, 2020
    Publication date: April 29, 2021
    Inventor: David Hayslett
  • Patent number: 9636613
    Abstract: A portable bottle for filtering drinking water is disclosed that includes a bottle having a threaded opening, a cover for cooperating with the threaded opening of the bottle and including a top wall having a plurality of internal engagement lugs depending downwardly from an interior surface of the top wall, a filter cartridge including an end cap having a circumferential side wall that includes a plurality of engagement ribs for cooperating with the engagement lugs of the cover, and a spout including a compressible circumferential flange configured to be positioned between the interior surface of the top wall of the cover and the upper surface the end cap of the filter cartridge to provide a resilient biasing force therebetween.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: May 2, 2017
    Assignee: Liquidity Corporation
    Inventors: David Hayslett, Tomás Colussi, Michael Hawes
  • Publication number: 20160251234
    Abstract: A portable bottle for filtering drinking water is disclosed that includes a bottle having a threaded opening, a cover for cooperating with the threaded opening of the bottle and including a top wall having a plurality of internal engagement lugs depending downwardly from an interior surface of the top wall, a filter cartridge including an end cap having a circumferential side wall that includes a plurality of engagement ribs for cooperating with the engagement lugs of the cover, and a spout including a compressible circumferential flange configured to be positioned between the interior surface of the top wall of the cover and the upper surface the end cap of the filter cartridge to provide a resilient biasing force therebetween.
    Type: Application
    Filed: June 25, 2015
    Publication date: September 1, 2016
    Applicant: Liquidity Corporation
    Inventors: David Hayslett, Tomás Colussi, Michael Hawes
  • Publication number: 20070074603
    Abstract: An apparatus and method for sharpening razor blades and the like whereby rectangularly-shaped magnets are placed end-to-end in a rectangular enclosure that snaps on securely over a razor blade during non-use times in such a manner that the magnetic field generated by the magnets acts upon the cutting edge of the blade so as to maintain the sharpness of the cutting edge.
    Type: Application
    Filed: March 4, 2006
    Publication date: April 5, 2007
    Inventors: Richard Gherman, David Hayslett
  • Patent number: D758800
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: June 14, 2016
    Assignee: Liquidity Corporation
    Inventors: David Hayslett, Tomás Colussi, Elliott Gansner