Patents by Inventor Joseph Ledvora

Joseph Ledvora 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: 11686645
    Abstract: An electric clip, such as may be utilized with a leak detector, has a base which receives an insert to secure an inserted material, such as a mesh, there between. The insert has an arm with opposing hooks which pass through a first slot in a biased manner and then spring out once through to provide an assembled configuration. The clip can be secured to the material, such as by directing fingers through a second slot in a biased manner which then return once through to retain on a ledge.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: June 27, 2023
    Assignee: Robertshaw Controls Company
    Inventor: Joseph Ledvora
  • Patent number: 11655906
    Abstract: Embodiments of a multi-port multi-plane valve are provided. The multi-port multi-plane valve includes a housing which defines an internal cavity. The housing further includes a plurality of ports in which each port lies within one of two planes that are normal to each other. Each of the plurality of ports is in communication with the internal cavity. A shell body is rotatably disposed within the internal cavity and provides selectable fluid communications between the ports. A seal member is also provided which has a plurality of openings and surrounds the shell body. At least one flow enhancer channel may be included to reduce the pressure drop occurring on one side of the valve when controlling flow paths on the other side of the valve.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: May 23, 2023
    Assignee: Robertshaw Controls Company
    Inventors: Joseph Ledvora, Thomas J. Davern, James E. Pearson
  • Publication number: 20220390314
    Abstract: An electric clip, such as may be utilized with a leak detector, has a base which receives an insert to secure an inserted material, such as a mesh, there between. The insert has an arm with opposing hooks which pass through a first slot in a biased manner and then spring out once through to provide an assembled configuration. The clip can be secured to the material, such as by directing fingers through a second slot in a biased manner which then return once through to retain on a ledge.
    Type: Application
    Filed: March 4, 2022
    Publication date: December 8, 2022
    Inventor: Joseph Ledvora
  • Patent number: 11255450
    Abstract: Embodiments of a multi-port multi-plane valve are provided. The multi-port multi-plane valve includes a housing which defines an internal cavity. The housing further includes a plurality of ports in which each port lies within one of two planes that are normal to each other. Each of the plurality of ports is in communication with the internal cavity. A shell body is rotatably disposed within the internal cavity and provides selectable fluid communications between the ports. A seal member is also provided which has a plurality of openings and surrounds the shell body. At least one flow enhancer channel may be included to reduce the pressure drop occurring on one side of the valve when controlling flow paths on the other side of the valve.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: February 22, 2022
    Assignee: Robertshaw Controls Company
    Inventors: Joseph Ledvora, Thomas J. Davern, James E. Pearson
  • Publication number: 20220010884
    Abstract: Embodiments of a multi-port multi-plane valve are provided. The multi-port multi-plane valve includes a housing which defines an internal cavity. The housing further includes a plurality of ports in which each port lies within one of two planes that are normal to each other. Each of the plurality of ports is in communication with the internal cavity. A shell body is rotatably disposed within the internal cavity and provides selectable fluid communications between the ports. A seal member is also provided which has a plurality of openings and surrounds the shell body. At least one flow enhancer channel may be included to reduce the pressure drop occurring on one side of the valve when controlling flow paths on the other side of the valve.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Applicant: Robertshaw Controls Company
    Inventors: Joseph Ledvora, Thomas J. Davern, James E. Pearson
  • Publication number: 20200200284
    Abstract: Embodiments of a multi-port multi-plane valve are provided. The multi-port multi-plane valve includes a housing which defines an internal cavity. The housing further includes a plurality of ports in which each port lies within one of two planes that are normal to each other. Each of the plurality of ports is in communication with the internal cavity. A shell body is rotatably disposed within the internal cavity and provides selectable fluid communications between the ports. A seal member is also provided which has a plurality of openings and surrounds the shell body. At least one flow enhancer channel may be included to reduce the pressure drop occurring on one side of the valve when controlling flow paths on the other side of the valve.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicant: Robertshaw Controls Company
    Inventors: Joseph Ledvora, Thomas J. Davern, James E. Pearson