Patents by Inventor Donald H. G. Glen

Donald H. G. Glen 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).

  • Blanching, pasteurizing and sterilizing process and apparatus suitable therefor
    Patent number: 4255459
    Abstract: A method is provided which permits continuous and rapid blanching or sterilization of foodstuffs in particulate form. The foodstuff is heated rapidly to penetrate the outer portion of the particle by steam or gas under pressure, the heated particles are maintained thereunder until inactivation or destruction of microorganisms and enzymes, after which the pressure and temperature are lowered rapidly.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: March 10, 1981
    Inventor: Donald H. G. Glen
  • Blanching, pasteurizing and sterilizing process and apparatus suitable therefor
    Patent number: RE31513
    Abstract: A method is provided which permits continuous and rapid blanching or sterilization of foodstuffs in particulate form. The foodstuff is heated rapidly to penetrate the outer portion of the particle by steam or gas under pressure, the heated particles are maintained thereunder until inactivation or destruction of microorganisms and enzymes, after which the pressure and temperature are lowered rapidly.
    Type: Grant
    Filed: November 26, 1982
    Date of Patent: January 31, 1984
    Inventor: Donald H. G. Glen