Patents by Inventor Ludwig Brandt

Ludwig Brandt 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).

  • Publication number: 20240084829
    Abstract: A hydraulic drive for a hydraulic consumer alternately pressurized in opposite directions during operation is disclosed.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 14, 2024
    Inventors: Andreas Guender, Henning Noack, Johannes Schwacke, Ludwig Brandt, Rebecca Lacour
  • Patent number: 4407281
    Abstract: An intratracheal tube for giving respiration to a patient, specially during narcosis with a mixture of oxygen and narcotic gas, wherein the intratracheal tube has a respirator hose adapted to be pushed in the windpipe of the patient, the forward end of said hose being surrounded by a blocking sleeve inflatable from the outside with a filling gas and in inflated state abutting closely on the windpipe wall, wherein the inner space of said blocking sleeve is connected in gas-conveying manner, via a connecting hose, to a diffusion vessel situated outside the patient, the surface size, wall thickness and material of said diffusion vessel being chosen so as to make it impervious to the filling gas while permitting the outward diffusion of narcotic gas, specially nitrous oxide gas, in an amount corresponding approximately to the amount diffused into said blocking sleeve.
    Type: Grant
    Filed: July 23, 1981
    Date of Patent: October 4, 1983
    Inventors: Ludwig Brandt, Hellmut Pokar