Patents by Inventor Daniel Rumplik

Daniel Rumplik 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).

  • Differential valve, specifically a cabin air discharge valve in an aircraft, and method for regulating cabin pressure
    Patent number: 6273136
    Abstract: Disclosed is a differential valve specifically a cabin air discharge valve for use in the cabin pressure regulating system of an airplane. The valve has two valve stages for closing a valve port including a smaller first stage and a larger second stage. The first and second stages are connected to a common drive gear mechanism that actuates the smaller first valve stage separately and prior to actuating the larger second valve stage. Also disclosed is a method for regulating cabin pressure by means of the differential valve.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: August 14, 2001
    Assignee: Nord-Micro Elektronik Feinmechanik
    Inventors: Martin Steinert, Daniel Rumplik