Patents by Inventor Erik D TORNIANEN

Erik D TORNIANEN 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).

  • Fluid ejection device
    Patent number: 11059290
    Abstract: A fluid ejection device includes a fluid slot, three laterally adjacent fluid ejection chambers each having a drop ejecting element therein, a fluid circulation path communicated with each of the three laterally adjacent fluid ejection chambers, and a fluid circulating element within the fluid circulation path, with at least two laterally adjacent fluid ejection chambers of the three laterally adjacent fluid ejection chambers to substantially simultaneously eject drops of fluid therefrom such that the drops of fluid are to coalesce during flight.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: July 13, 2021
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Alexander Govyadinov, Tsuyoshi Yamashita, Nicholas McGuinness, David P Markel, Erik D Tornianen
  • FLUID EJECTION DEVICE
    Publication number: 20200353748
    Abstract: A fluid ejection device includes a fluid slot, three laterally adjacent fluid ejection chambers each having a drop ejecting element therein, a fluid circulation path communicated with each of the three laterally adjacent fluid ejection chambers, and a fluid circulating element within the fluid circulation path, with at least two laterally adjacent fluid ejection chambers of the three laterally adjacent fluid ejection chambers to substantially simultaneously eject drops of fluid therefrom such that the drops of fluid are to coalesce during flight.
    Type: Application
    Filed: July 29, 2016
    Publication date: November 12, 2020
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Alexander GOVYADINOV, Tsuyoshi YAMASHITA, Nicholas McGUINNESS, David P MARKEL, Erik D TORNIANEN