Patents by Inventor Jana Rull

Jana Rull 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).

  • Pressure retention valve
    Patent number: 9182046
    Abstract: A pressure retention valve including a housing having an inlet passage and an outlet passage that can be connected together and a separating diaphragm subdividing the housing into two portions, wherein, in operation of the valve, a first portion conveys fluid and a second portion is fluid-free. The valve further includes a valve seat defining an end of the inlet passage, arranged in the fluid-conveying portion of the housing, and has a first sealing surface, a shut-off body which is arranged movably in the fluid-conveying portion of the housing and has a second sealing surface, and a spring element having a spring force, which is arranged in the fluid-free portion of the pressure retention valve.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: November 10, 2015
    Assignee: ProMinent GmbH
    Inventors: Jana Rull, Alexander Bubb, Bernd Freissler
  • PRESSURE RETENTION VALVE
    Publication number: 20120168005
    Abstract: A pressure retention valve including a housing having an inlet passage and an outlet passage that can be connected together and a separating diaphragm subdividing the housing into two portions, wherein, in operation of the valve, a first portion conveys fluid and a second portion is fluid-free. The valve further includes a valve seat defining an end of the inlet passage, arranged in the fluid-conveying portion of the housing, and has a first sealing surface, a shut-off body which is arranged movably in the fluid-conveying portion of the housing and has a second sealing surface, and a spring element having a spring force, which is arranged in the fluid-free portion of the pressure retention valve.
    Type: Application
    Filed: October 12, 2010
    Publication date: July 5, 2012
    Applicant: ProMinent Dosiertechnik GmbH
    Inventors: Jana Rull, Alexander Bubb, Bernd Freissler