Patents by Inventor Paul G. Janitch

Paul G. Janitch 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: 7106248
    Abstract: A process control instrument comprises a control for generating or receiving a high frequency signal. A waveguide comprises a cylindrical housing closed at one end by a rear wall. A loop launcher is operatively connected to the control and comprises a wire having a first straight leg electrically connected at one end to the control and extending into the waveguide a first select length. A second straight leg is connected at one end to the rear wall and extends into the waveguide a second select length, greater than the first select length. A curved middle section connects the other ends of the first and second straight legs. An antenna is operatively coupled to the waveguide.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: September 12, 2006
    Assignee: Magnetrol International, Inc.
    Inventors: Paul G. Janitch, John S. Benway, Stephen A. Reynolds, Stanislaw Bleszynski
  • Patent number: 7102584
    Abstract: A process control instrument comprises a control for generating or receiving a high frequency signal. A waveguide comprises a cylindrical housing closed at one end by a rear wall. A loop launcher is operatively connected to the control and comprises a wire having a first straight leg electrically connected at one end to the control and extending into the waveguide a first select length. A second straight leg is connected at one end to the rear wall and extends into the waveguide a second select length, greater than the first select length. A curved middle section connects the other ends of the first and second straight legs. An antenna is operatively coupled to the waveguide.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: September 5, 2006
    Assignee: Magnetrol International, Inc.
    Inventors: Paul G. Janitch, John S. Benway, Stephen A. Reynolds, Stanislaw Bleszynski
  • Publication number: 20040066348
    Abstract: A process control instrument comprises a control for generating or receiving a high frequency signal. A waveguide comprises a cylindrical housing closed at one end by a rear wall. A loop launcher is operatively connected to the control and comprises a wire having a first straight leg electrically connected at one end to the control and extending into the waveguide a first select length. A second straight leg is connected at one end to the rear wall and extends into the waveguide a second select length, greater than the first select length. A curved middle section connects the other ends of the first and second straight legs. An antenna is operatively coupled to the waveguide.
    Type: Application
    Filed: September 30, 2003
    Publication date: April 8, 2004
    Applicant: Magnetrol International.
    Inventors: Paul G. Janitch, John S. Benway, Stephen A. Reynolds, Stanislaw Bleszynski
  • Patent number: 5640880
    Abstract: An improved mounting arrangement is shown for a magnetostrictive level sensing instrument for sensing level of a process fluid in a process vessel. The process vessel includes an opening into a storage space in the vessel. The improvement includes an elongate tube having a closed end and an opposite open end. A process fitting receives the open end of the outer tube, the process fitting being adapted to be received in the vessel opening, in use, whereby the process fitting and the elongate tube seal the vessel opening. A magnetostrictive wire assembly is removably received in the elongate tube through the open end for operatively sensing position of a magnetic float captured on the elongate tube and floating atop the fluid in the vessel. A housing is mounted to the adaptor fitting and supports the wire assembly when the wire assembly is received in the tube.
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: June 24, 1997
    Assignee: Magnetrol International, Inc.
    Inventors: Michael J. Mulrooney, James T. Borthwick, Jr., Paul G. Janitch, Cesar L. Queyquep
  • Patent number: 4742195
    Abstract: A process instrument enclosed in a hermetically sealed housing for indicating and controlling a measured variable, such as the level in a tank. The instrument includes magnetically operated electrical switches actuable between open and closed positions in response to the measured variable. The electrical switches used are capable of switching current levels on the order of 10 Amps.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: May 3, 1988
    Assignee: Magnetrol International Incorporated
    Inventors: Cal L. Bryant, David W. Vrona, Dennis E. Francoeur, Paul G. Janitch