Patents by Inventor Todd Mark Hochrad

Todd Mark Hochrad 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).

  • Method and apparatus for temperature calibration in microwave assisted chemistry
    Patent number: 5988877
    Abstract: A method and apparatus are disclosed for externally and noninvasively determining the temperatures of chemical reactions inside a plurality of separate closed vessels that are made of materials that substantially transparent to microwave radiation but that are poor conductors of heat. The method comprises exposing a plurality of substantially microwave-transparent of vessels containing chemical reagents therein to microwave radiation, concurrently measuring the temperature of the reagents inside a first vessel using a first temperature sensor inside the first vessel and while measuring the temperature of the exterior of the first vessel using a second temperature sensor positioned externally to the first vessel, and immediately thereafter successively measuring the temperature of the exterior of the remainder of the vessels using the second sensor.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: November 23, 1999
    Assignee: C E M Corporation
    Inventors: Todd Mark Hochrad, William Edward Jennings, Edward Earl King