Patents by Inventor Karsten Schwetz

Karsten Schwetz 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).

  • Diaphragm valve
    Patent number: 9638339
    Abstract: A diaphragm valve comprises at least one valve body which has at least one inlet, at least one outlet, at least one flow channel and at least one shutoff web dividing the flow channel into channel portions. The diaphragm valve furthermore comprises a diaphragm which rests on a circumferential sealing seat of the valve body, and a drive having a drive housing, the drive being coupled to the diaphragm to press the diaphragm against the shutoff web for closing the valve. The diaphragm valve furthermore comprises a fastening unit for detachably locking the drive to the valve body, the fasting unit having a bayonet cap and an additional central retightening unit by means of which an axial tightening force is generated.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: May 2, 2017
    Assignee: Buerkert Werke GmbH
    Inventors: Karsten Schwetz, Marcel Konstandin, Jan Westermann
  • DIAPHRAGM VALVE
    Publication number: 20150354718
    Abstract: A diaphragm valve comprises at least one valve body which has at least one inlet, at least one outlet, at least one flow channel and at least one shutoff web dividing the flow channel into channel portions. The diaphragm valve furthermore comprises a diaphragm which rests on a circumferential sealing seat of the valve body, and a drive having a drive housing, the drive being coupled to the diaphragm to press the diaphragm against the shutoff web for closing the valve. The diaphragm valve furthermore comprises a fastening unit for detachably locking the drive to the valve body, the fasting unit having a bayonet cap and an additional central retightening unit by means of which an axial tightening force is generated.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 10, 2015
    Inventors: Karsten Schwetz, Marcel Konstandin, Jan Westermann