Patents by Inventor Willem Werf

Willem Werf 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).

  • Automated operation check for standing valve
    Publication number: 20060141409
    Abstract: A method of verifying proper operation of an electromagnetic valve. The method includes providing a mechanism to effect opening of the valve, verifying that the valve opened as a result of employing the mechanism to effect opening of the valve and after verifying the valve opened, signaling the valve to close after a first period of time has elapsed. The method further includes, after signaling the valve to close, signaling the valve to re-open after a second period of time has elapsed and detecting the occurrence or non-occurrence of an event associated with the closing or re-opening of the valve.
    Type: Application
    Filed: December 23, 2004
    Publication date: June 29, 2006
    Applicant: Honeywell International Inc.
    Inventors: Brent Chian, Donald Kasprzyk, Sybrandus Munsterhuis, Timothy Nordberg, Willem Werf, Robert Zak, Andres Waszczenko