Patents by Inventor Douglas Stetson

Douglas Stetson 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).

  • Patent number: 11435217
    Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: September 6, 2022
    Assignee: Gems Sensors Inc.
    Inventors: David P. Curry, Douglas Stetson, James B. Dockendorff
  • Publication number: 20210003443
    Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventors: David P. Curry, Douglas Stetson, James B. Dockendorff
  • Patent number: 10782176
    Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: September 22, 2020
    Assignee: GEMS SENSORS INC.
    Inventors: David P. Curry, Douglas Stetson, James B. Dockendorff
  • Publication number: 20190137320
    Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.
    Type: Application
    Filed: December 17, 2018
    Publication date: May 9, 2019
    Inventors: David P. Curry, Douglas Stetson, James B. Dockendorff
  • Patent number: 10156467
    Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: December 18, 2018
    Assignee: GEMS SENSORS INC.
    Inventors: David P. Curry, Douglas Stetson, James B. Dockendorff
  • Publication number: 20170138780
    Abstract: A tank and liquid level indicator has first housing that holds a liquid and a second elongated housing in fluid communication with the first elongated housing so that a liquid level in the second housing is approximately equal to the level in the first housing. A float in the second housing cooperates with the circuitry to operate one or more light switches. A light-transmissive cover is disposed over the light source.
    Type: Application
    Filed: November 18, 2016
    Publication date: May 18, 2017
    Inventors: David P. Curry, Douglas Stetson, James B. Dockendorff
  • Publication number: 20050165534
    Abstract: An integrated system for monitoring a deployed product on a movable platform, gathering data about the deployed product, and disseminating the, data about the deployed product is disclosed. The system includes a server located on the movable platform capable of communication with the server from a remote location. The server communicates with a source of data about the deployed communicates with a source of data about the deployed product. The system further includes a portal onto which data gathered by the server may be downloaded and with which one can upload information to the server. The server may be provided in the form of a card adapted to be mounted into a pre-existing electronic controller of the deployed product.
    Type: Application
    Filed: January 28, 2004
    Publication date: July 28, 2005
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: David Loda, Douglas Stetson, C. Wood, Peter Padykula