Patents by Inventor Matthew L. Nathan

Matthew L. Nathan 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).

  • Fluid-flow pressure-sensing device
    Patent number: 4170134
    Abstract: A fluid-flow pressure-sensing device provided with a conduit extending into a fluid flow-carrying duct. The end of the conduit in the duct has a baffle bent to provide two surfaces meeting at an edge. The device is positioned in the conduit so that one of the surfaces faces upstream, the other surface extending downstream of the direction of fluid flow. The conduit projects through the other surface of the baffle and has an opening into the vena contracta produced in use in the fluid by the first surface.
    Type: Grant
    Filed: November 18, 1977
    Date of Patent: October 9, 1979
    Inventor: Matthew L. Nathan