Patents by Inventor Carl Hewett

Carl Hewett 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).

  • ULTRASONIC SCALER HAVING AN OZONATED WATER SYSTEM
    Publication number: 20240076210
    Abstract: A handpiece (108) of an ultrasonic scaler equipped with a closed system water delivery and an integrated in-line divided electrolytic cell (106) for generating ozone, one or more gas separators (116a, 116b), in-line dissolved gas monitoring and closed loop control over ozone concentration using one or more ultraviolet sensors (110).
    Type: Application
    Filed: November 5, 2020
    Publication date: March 7, 2024
    Applicant: DENTSPLY SIRONA Inc.
    Inventors: Kenneth R. GUARAGNO, Miles HEMBER, Roger MILLINGTON, Carl HEWETT, Samuel WHITTOME
  • MANIFOLD COMPATIBLE ELECTROLYTIC CELL (EO CELL) WITH COPLANAR FLUIDIC AND ELECTRICAL CONNECTION SCHEME
    Publication number: 20230340676
    Abstract: An electrolytic ozone cell that a housing that includes an interfacial seal, a top plate, and bottom plate. The electrolytic ozone cell also includes an internal compartment that having a pair of contact plates, and a tolerance compressor. The tolerance compressor compresses an electrode-membrane-electrode stack that is disposed between the pair of contact plates and the tolerance compressor alters its shape in order to maintain compressive forces on the electrode-membrane-electrode stack.
    Type: Application
    Filed: October 1, 2021
    Publication date: October 26, 2023
    Applicant: DENTSPLY SIRONA Inc.
    Inventors: Kenneth GUARAGNO, Carl HEWETT
  • Air sterilizing apparatus
    Patent number: D721797
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: January 27, 2015
    Assignee: Moving Sun Limited
    Inventors: Carl Hewett, Abdel Ezbiri, Javier Segura