Patents by Inventor Eduard Wiersema

Eduard Wiersema 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).

  • Patent number: 9512939
    Abstract: A method of laying a pipeline (100) on a seabed (9), said method comprising the steps of; constructing a section of pipeline (6) by interconnecting pipe sections (31), positioning the section of pipeline on an underwater storage surface (74), and recovering the section of pipeline from the under water storage surface and spooling the section of pipeline on a reel (2) provided on a vessel (15).
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: December 6, 2016
    Assignee: HEEREMA MARINE CONTRACTORS NEDERLAND SE
    Inventors: Noortje Willemein Maria Sturm, Eduard Wiersema, Cornelis van Zandwijk
  • Publication number: 20150125217
    Abstract: A method of laying a pipeline (100) on a seabed (9), said method comprising the steps of: constructing a section of pipeline (6) by interconnecting pipe sections (31), positioning the section of pipeline on an underwater storage surface (74), and recovering the section of pipeline from the under water storage surface and spooling the section of pipeline on a reel (2) provided on a vessel (15).
    Type: Application
    Filed: May 13, 2013
    Publication date: May 7, 2015
    Inventors: Noortje Willemein Maria Sturm, Eduard Wiersema, Cornelis van Zandwijk
  • Publication number: 20150000925
    Abstract: A riser assembly for transporting a fluid from a vessel and on a seabed includes an elongate frame having a first frame end and a second frame end, where the first frame end is connected to the seabed and the second frame end is connected to a buoy, at least one riser for transporting a fluid and connecting the at least one riser to the second frame end and/or the buoy.
    Type: Application
    Filed: July 29, 2014
    Publication date: January 1, 2015
    Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND SE
    Inventors: Cornelis Benard, Cristian Rogier Koene, Eduard Wiersema, Frank Cornelis Lange
  • Patent number: 8821070
    Abstract: A method for constructing a riser assembly (1) for transporting a fluid from a vessel and on a seabed includes providing an elongate frame (4) having a first frame end (5) and a second frame end (6), where the first frame end is connected to the seabed (3) and the second frame end is connected to a buoy (7), providing at least one riser (9) for transporting a fluid, and connecting the at least one riser to the second frame end and/or the buoy.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: September 2, 2014
    Assignee: Heerema Marine Contractors Nederland SE
    Inventors: Cornelis Benard, Cristian Rogier Koene, Eduard Wiersema, Frank Cornelis Lange
  • Publication number: 20120318379
    Abstract: A method for constructing a riser assembly (1) for transporting a fluid from a vessel and on a seabed includes providing an elongate frame (4) having a first frame end (5) and a second frame end (6), where the first frame end is connected to the seabed (3) and the second frame end is connected to a buoy (7), providing at least one riser (9) for transporting a fluid, and connecting the at least one riser to the second frame end and/or the buoy.
    Type: Application
    Filed: February 10, 2011
    Publication date: December 20, 2012
    Applicant: HEEREMA MARINE CONTRACTORS NEDERLAND B.V.
    Inventors: Cornelis Benard, Cristian Rogier Koene, Eduard Wiersema, Frank Cornelis Lange