Patents by Inventor Antonius Gerardus Martinus V. Asseldonk

Antonius Gerardus Martinus V. Asseldonk 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).

  • Level measurement and control
    Patent number: 4092860
    Abstract: Method and arrangement for measuring and controlling the level of a fluid in a container. The conductivity of the fluid is measured by means of a detector and a high-frequency voltage supply. The detector operates on a capacitive or on an inductive basis. Means for eliminating the effect of the size of the container and of the transfer functions of the detector and, in the control arrangement, the pump.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: June 6, 1978
    Inventors: Matheus Gijsbertus Jozef Arts, Jozef Augustinus Elisabeth Spaan, Antonius Gerardus Martinus V. Asseldonk, Johannes Augustinus Catharinus Maria DE Maat