Patents by Inventor Bartele Griepsma

Bartele Griepsma 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).

  • Multiple downcomer tray
    Patent number: 8136799
    Abstract: A multiple downcomer tray for a mass transfer column includes a mass transfer area and a plurality of downcomers for collecting and discharging a fluid from the tray. Each downcomer is shaped as a channel with an end wall attachable to an extension element. A downcomer and extension element together extends across the column and supports the panels of the mass transfer area.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: March 20, 2012
    Assignee: Sulzer Chemtech AG
    Inventor: Bartele Griepsma
  • Contact tray for a mass transfer column
    Patent number: 8066264
    Abstract: The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a pair of sloped portions of the valve cover rest on the top side of the tray deck in order to hold the valve cover in place.
    Type: Grant
    Filed: November 26, 2007
    Date of Patent: November 29, 2011
    Assignee: Sulzer Chemtech AG
    Inventors: Bartele Griepsma, Mark W. Pilling, Raymond Plüss, Daniel Summers
  • Multiple downcorner tray
    Publication number: 20090256270
    Abstract: A multiple downcomer tray for a mass transfer column comprises a mass transfer area and a plurality of downcomers for collecting and discharging a fluid from the tray. Each downcomer is shaped as a channel with an end wall attachable to an extension element. A downcomer and extension element together extends across the column and supports the panels of the mass transfer area.
    Type: Application
    Filed: April 1, 2009
    Publication date: October 15, 2009
    Inventor: Bartele Griepsma
  • Contact tray for a mass transfer column
    Publication number: 20090134533
    Abstract: The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a pair of sloped portions of the valve cover rest on the top side of the tray deck in order to hold the valve cover in place.
    Type: Application
    Filed: November 26, 2007
    Publication date: May 28, 2009
    Inventors: Bartele Griepsma, Mark W. Pilling, Raymond Pluss, Daniel Summers