Patents by Inventor Patrick W. Sadik

Patrick W. Sadik 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).

  • Island etched filter passages
    Patent number: 10086317
    Abstract: A method comprises forming etching islands on a substrate and exposing the substrate with etching islands to a solution that reacts with the etching islands to form a filter passage of interconnected pores in the substrate. The filter passage has an inlet into the substrate and an outlet from the substrate.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: October 2, 2018
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Roger A. McKay, Patrick W. Sadik
  • Nonparallel island etching
    Patent number: 9938139
    Abstract: Etching islands are formed on a first face of a substrate and a second face of the substrate non-parallel to the first face. The first face and the second face of the substrate are concurrently exposed to a solution that reacts with the etching islands to concurrently form porous regions extending into the first face and the second face.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: April 10, 2018
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Roger A. McKay, Patrick W. Sadik
  • NONPARALLEL ISLAND ETCHING
    Publication number: 20160244885
    Abstract: Etching islands are formed on a first face of a substrate and a second face of the substrate non-parallel to the first face. The first face and the second face of the substrate are concurrently exposed to a solution that reacts with the etching islands to concurrently form porous regions extending into the first face and the second face.
    Type: Application
    Filed: October 30, 2013
    Publication date: August 25, 2016
    Inventors: Roger A. McKay, Patrick W. Sadik