Patents by Inventor David A. Weiser

David A. Weiser 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: 11300438
    Abstract: A method of operating an electro-optic sensor includes disposing at least a portion of the electro-optic sensor in a liquid chamber, providing light from a light source of the electro-optic sensor at a first intensity, driving a light detector of the electro-optic sensor at a first sensitivity level, receiving, via the light detector, a first amount of light from the light source; determining whether liquid is present in the liquid chamber according to the first amount of light, providing light from the light source at a second intensity, driving the light detector at a second sensitivity level, receiving, via the light detector, a second amount of light from the light source, and/or confirming whether liquid is present in the liquid chamber according to the second amount of light. The first sensitivity level may be different from the second sensitivity level. An electro-optic sensor is also disclosed.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: April 12, 2022
    Assignee: Eaton Intelligent Power Limited
    Inventors: Gregory Kopansky, David A. Weiser, Thomas C. Gross, Xin Pu
  • Patent number: 11268844
    Abstract: An electro-optic fluid level sensor includes a body having a first end portion and an oppositely disposed second end portion. A light source is disposed at the first end portion of the body. A first light detector is disposed at the second end portion of the body. A second light detector is disposed at the second end portion of the body. The second light detector is axially offset from the first light detector.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: March 8, 2022
    Assignee: Eaton Intelligent Power Limited
    Inventors: Gregory Kopansky, George P. Birch, William C. Quaile, David A. Weiser, Thomas C. Gross
  • Publication number: 20210003441
    Abstract: A method of operating an electro-optic sensor includes disposing at least a portion of the electro-optic sensor in a liquid chamber, providing light from a light source of the electro-optic sensor at a first intensity, driving a light detector of the electro-optic sensor at a first sensitivity level, receiving, via the light detector, a first amount of light from the light source; determining whether liquid is present in the liquid chamber according to the first amount of light, providing light from the light source at a second intensity, driving the light detector at a second sensitivity level, receiving, via the light detector, a second amount of light from the light source, and/or confirming whether liquid is present in the liquid chamber according to the second amount of light. The first sensitivity level may be different from the second sensitivity level. An electro-optic sensor is also disclosed.
    Type: Application
    Filed: June 29, 2020
    Publication date: January 7, 2021
    Inventors: Gregory Kopansky, David A. Weiser, Thomas C. Gross, Xin Pu
  • Publication number: 20200116544
    Abstract: An electro-optic fluid level sensor includes a body having a first end portion and an oppositely disposed second end portion. A light source is disposed at the first end portion of the body. A first light detector is disposed at the second end portion of the body. A second light detector is disposed at the second end portion of the body. The second light detector is axially offset from the first light detector.
    Type: Application
    Filed: October 14, 2019
    Publication date: April 16, 2020
    Applicant: Eaton Intelligent Power Ltd.
    Inventors: Gregory Kopansky, George P. Birch, William C. Quaile, David A. Weiser, Thomas C. Gross