Patents by Inventor David Tressel

David Tressel 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).

  • Method of shaping a surface coating on a razor blade using centrifugal force
    Patent number: 9969094
    Abstract: A method for shaping a coating on a razor blade is provided. The method includes the steps of: a) providing a razor blade having a tip end defined by at least one tip surface; b) applying a surface coating having a first thickness on at least one tip surface; and c) shaping the applied surface coating on the at least one tip surface to have a second thickness using a centrifuge, which second thickness is less than the first thickness.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: May 15, 2018
    Assignee: Edgewell Personal Care Brands, LLC
    Inventors: Tomasz Hejmowski, Massimo Nyiry, David Tressel, Yiming Xu
  • Method of shaping a surface coating on a razor blade
    Patent number: 9943879
    Abstract: A method for shaping a coating on a razor blade, and a razor blade produced using the aforesaid method, are provided. The method includes the steps of a) providing a razor blade having a tip end defined by at least one tip surface and a cutting edge; b) applying a surface coating having a first thickness on at least one tip surface; and c) shaping the surface coating on the at least one tip surface to have a second thickness using a fluid stream, which second thickness is less than the first thickness.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: April 17, 2018
    Assignee: Edgewell Personal Care Brands, LLC
    Inventors: Timothy Doyle, Tomasz Hejmowski, Massimo Nyiry, David Tressel, Yiming Xu
  • Method of Shaping a Surface Coating on a Razor Blade
    Publication number: 20160096282
    Abstract: A method for shaping a coating on a razor blade, and a razor blade produced using the aforesaid method, are provided. The method includes the steps of a) providing a razor blade having a tip end defined by at least one tip surface and a cutting edge; b) applying a surface coating having a first thickness on at least one tip surface; and c) shaping the surface coating on the at least one tip surface to have a second thickness using a fluid stream, which second thickness is less than the first thickness.
    Type: Application
    Filed: October 6, 2015
    Publication date: April 7, 2016
    Inventors: Timothy Doyle, Tomasz Hejmowski, Massimo Nyiry, David Tressel, Yiming Xu
  • Method of Shaping a Surface Coating on a Razor Blade Using Centrifugal Force
    Publication number: 20160096281
    Abstract: A method for shaping a coating on a razor blade is provided. The method includes the steps of: a) providing a razor blade having a tip end defined by at least one tip surface; b) applying a surface coating having a first thickness on at least one tip surface; and c) shaping the applied surface coating on the at least one tip surface to have a second thickness using a centrifuge, which second thickness is less than the first thickness.
    Type: Application
    Filed: October 1, 2015
    Publication date: April 7, 2016
    Inventors: Tomasz Hejmowski, Massimo Nyiry, David Tressel, Yiming Xu