Patents by Inventor Christopher J. Preston

Christopher J. Preston 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).

  • Devices and Methods for Capturing and Interacting with Enhanced Digital Images
    Publication number: 20240126425
    Abstract: An electronic device displays a wake screen that includes a representative image in a sequence of images. While displaying the wake screen, the electronic device detects an input that includes a contact over the wake screen. In response to detecting the contact over the wake screen, the electronic device displays, in sequence, a plurality of images in the sequence of images.
    Type: Application
    Filed: November 28, 2023
    Publication date: April 18, 2024
    Inventors: Nicholas V. King, Christopher P. Foss, Jonathan R. Dascola, Daniel T. Preston, Behkish J. Manzari, Justin S. Titi, Henrique D. Penha, Graham R. Clarke
  • Ammonium nitrate/fuel oil blasting explosive having decreased oil segregation
    Patent number: 5041177
    Abstract: An explosive composition comprising an explosive mixture of ammonium nitrate and fuel oil. The fuel oil is selected to provide an oil separation sufficiently low so that the explosive is detonatable. The fuel oil is also selected such that the viscosity of the explosive is sufficiently low so that the explosive may be loadable into a borehole. The explosive is substantially free of tackifying agents.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: August 20, 1991
    Assignee: ETI Explosives
    Inventors: Ernest A. Hajto, Christopher J. Preston, Earl D. Reckzin