Patents by Inventor Martinus J. Coenen

Martinus J. Coenen 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).

  • Magnetron filter board for microwave oven
    Patent number: 11612022
    Abstract: A magnetron filter board for a microwave oven is disclosed. In embodiments, the magnetron filter board includes a printed circuit board with a first trace and a second trace on the printed circuit board. The first trace includes a first end for connecting to a magnetron and a second end for connecting to a power supply unit. The second trace also includes a first end for connecting to the magnetron and a second end for connecting to the power supply unit. The first trace and the second trace can be configured as a radio frequency band-gap filter that mitigates noise associated with the connection between the magnetron and the power supply unit.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: March 21, 2023
    Assignee: Rockwell Collins, Inc.
    Inventors: Jorge Pacheco, Martinus J. Coenen
  • Magnetron Filter Board for Microwave Oven
    Publication number: 20190281670
    Abstract: A magnetron filter board for a microwave oven is disclosed. In embodiments, the magnetron filter board includes a printed circuit board with a first trace and a second trace on the printed circuit board. The first trace includes a first end for connecting to a magnetron and a second end for connecting to a power supply unit. The second trace also includes a first end for connecting to the magnetron and a second end for connecting to the power supply unit. The first trace and the second trace can be configured as a radio frequency band-gap filter that mitigates noise associated with the connection between the magnetron and the power supply unit.
    Type: Application
    Filed: December 11, 2018
    Publication date: September 12, 2019
    Inventors: Jorge Pacheco, Martinus J. Coenen