Patents by Inventor Antonius Cornelis Maria Gieles

Antonius Cornelis Maria Gieles 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: 4057063
    Abstract: A device for sterilizing human females by transuterine fallopian tube coagulation wherein the substantial increase in impedance of the tissues during coagulation is used to signal for termination of treatment.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: November 8, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Antonius Cornelis Maria Gieles, Gerardus Henricus Johannus Somers
  • Patent number: 4015473
    Abstract: A mass flowmeter for gas wherein the absolute pressure at and the pressure differential across a laminar restriction are measured with diaphragms and multiplied, each diaphragm having at least one surface resistance element acting as a strain gauge, the resistance element having a resistance inversely proportional to temperature. The diaphragms and resistance elements are preferably semiconductors.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: April 5, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Wilhelm Josef Kleuters, Antonius Cornelis Maria Gieles